Both of these bulbs currently retail for $13.99. Analyzing the entire Energy Star dataset for LED general-purpose replacement bulbs (9) in the A19 (standard medium screw-in bulb) form factor, the LED filament bulbs have an average efficiency of 109 lm/W. The conventional bulbs (everything else in the dataset) average to 76.5 lm/W.In conclusion, green building advisors specialize in helping organizations design, build, and operate sustainable projects. These advisors can provide a wide range of services, including sustainability assessments, energy audits, green building design and construction support, sustainability program development, and support for sustainability ...Fiberglass batts are vapor permeable and air permeable. By the way, you don't need a 12-inch air gap between your insulated concrete wall and your studs. One or 2 inches is fine. Ideally, all of your required R-value will be provided by your rigid foam, and your 2x4 stud bays will be uninsulated. Aug 19, 2010 09:12pm. Green building is about process first, products second. But the process of building involves myriad products and materials. Green choices offer ways to improve indoor air quality, water and energy efficiency, durability, and comfort. Paints and finishes on floors, walls, cabinets, and ceilings should be low in VOCs. The SANCO2 split-system heat pump water heater offers benefits that include energy efficiency, low-GWP refrigerants, and the possibility in some situations to provide space heating. Over the last couple of years, there’s been a lot of buzz about the SANCO2, a newer type of air-source heat-pump water heater (HPWH) from ECO2 Systems. Armando Cobo is a zero-energy custom home designer, trainer, and building consultant with over 35 years of experience. Armando designs following the guidelines of DOE’s Zero Energy Ready Home program, The Building America Program, Build Green New Mexico, California’s Title 24, National Home Builders Association’s Green Building Program, and LEED for Homes, among others. Green is often less expensive when all things are considered. Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy independence–photovoltaic …This seems to be how many green building pros ended up experimenting with a concrete-free assembly. Today, there are several variations on the concrete-free slab being used in high-performance and Passive houses but 10 years ago, information on the method was limited so there was a learning curve. …Originally developed by Skanska and C Change Labs, EC3 was incubated by the Carbon Leadership Forum and nearly 50 industry partners until its public launch at Greenbuild 2019, at which time the nonprofit Building Transparency was founded to house EC3. Its mission is to provide open-access data on …During the design phase we read articles from Green Building Advisor and the Journal of Light Construction about energy-efficient building practices. We followed the local building code and hired an excellent general contractor. The topic of wintertime humidity never came up in relation to building …A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire.Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. In early November, when it broke ground on a three-bedroom, two-bath home in Yellow Springs, Ohio, Green Generation Building Company began a careful and, the company’s principals hope, certain march to Passive House standards. Completion is inspected in July, although the 1,800-sq.-ft. house is far …This article is designed to help contractors and homeowners think about the most efficient ways to create comfortable, long-lasting basement floors while avoiding some common problems. It also explores different flooring products and subfloor methods. While the focus is basements, many of these tips and …Interior partition walls create one of the trickiest transition points when installing an interior air barrier. As seen here, the wall breaks the continuity of the air control layer at the ceiling. This needs to reconciled and sealed. I’m from Minnesota, one of the few areas in the lower 48 that still regularly uses polyethylene sheeting as a ...Questions Archive - GreenBuildingAdvisor. The complete source for building, designing, and remodeling green homes. Try for Free. Community and Q&A. A Forum …ABOUT BASEMENTS # Invest in a waterproofing system Basement foundations should be insulated to minimize energy losses and should be protected from water infiltration. Even if a basement is not intended to be used as a finished space, it’s best to assume that it may be finished in the future. That’s why it’s a good investment to …A. In Climate Zone 6, I would advise the use of at least 2 inches of rigid foam before switching to fluffy insulation. Better yet, meet the code requirement for R-value entirely with the foam layer, and skip the fluffy insulation. Green builders don't use XPS -- instead, choose EPS or polyiso.Whoever lives in the house is going to be stuck with the insulation decision for a long time. The choices aren’t unlimited, but it may seem that way. In addition to ever-popular fiberglass batts, there’s blown-in fiberglass, cellulose, spray polyurethane foam, rigid foam, fiberboard, and mineral wool. Most of those come in more than one ...This is the short answer as to why the new building codes are increasing requirements for continuous insulation. The 2012 IECC will require R-20 or R13+5 for Climate Zones 3, 4, and 5, and it requires R20+5 or R15+10 for Climate Zones 6, 7, and 8. [Editor’s note: In some climates, the “R20+5” approach is not …A single-family home in the Buckeye State is being built for maximum energy efficiency. Just east of Dayton. Green Generation Building Company’s first home is designed to meet Passive House standards. The house is in Yellow Springs, Ohio. In early November, when it broke ground on a three-bedroom, two-bath home in Yellow Springs, …Although I wrote a 2012 article for Fine Homebuilding on ways to insulate the cramped attic behind a kneewall, I’ve never written such an article for GBA. So it’s clearly time for a comprehensive article on the topic. A kneewall is sometimes defined as “a short wall under a sloped ceiling.”. A typical kneewall is between 3 and 5 feet high.Feb 26, 2020 · This system not including wood burning stove will cost us around 25,000. 2) air to air heat pump (4 heads) propane boiler for radiant floors and hot water. We also will have 45 BTU wood burning stove- hearthstone. this system will cost us around $40,000 not incuding wood burning stove. In my recent post, Living the 100-amp Lifestyle, I quoted the Australian philosopher Samuel Alexander as saying, “Efficiency without sufficiency is lost.”. For years, we have been talking about building our homes with greater energy efficiency; in the meantime, on average, they have doubled in size, eating up all those energy savings.The cost is about twice that of fiberglass insulation, Cloarec said: $1.80 per square foot for 3 1/2-inch panels, $2.40 for 5 1/2-inch panels, and $3 for the 8-inch material (all prices are in Canadian dollars and do not include shipping). Hemp insulation has many advantages, Cloarec said. If it gets wet, it can be removed …Inspect the attic access carefully to find any air-leakage pathways that need to be sealed. For house plans, use the pen test. Make it easy for occupants to use, including returning it to the sealed position. Attics can be as cold as the outdoor air in winter and much hotter than outdoor air in summer.One builder posted that when he ended up installing siding he shimmed the map siding at these locations to have a flat wall. @Dennis_vab Zip-R 12 is about $4.30 sq/ft without crazy amounts of sheathing. Im currently working on building a house and will be using Zip-r12 in zone 6a. Nailboard panels for roof as well.From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...Response to Martin Holladay, GBA Advisor Martin, Thanks for the response, I attached a couple of pictures of my knee wall, it is big enough to get behind. ... Unfortunately, I am in a location with very few resources when it comes to green building or renovating. I hope you can offer advice about my unconditioned attic. Basics: 80-year-old ...Design your building and design the excavation. Create a tent roof like the building roof, dig the excavation, and put the tent roof over the excavation. Then wait. Maybe a year, maybe more. After every heavy rain go back to the hole and see if the hole is dry. If, after a long wait the hole remains dry then build your …Feb 16, 2024 · The Science Based Targets initiative (SBTi) recently unveiled a draft for pilot testing of its new target-setting guidance for the building sector, set to go into effect in the first half of 2024. SBTi is a partnership between the Carbon Disclosure Project (CDP), the UN Global Compact, World Resources Institutes (WRI), and World Wide Fund for ... Armando Cobo is a zero-energy custom home designer, trainer, and building consultant with over 35 years of experience. Armando designs following the guidelines of DOE’s Zero Energy Ready Home program, The Building America Program, Build Green New Mexico, California’s Title 24, National Home Builders Association’s Green Building Program, and LEED for Homes, among others. Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | July 8, 2022. This approach can be used to create an unvented conditioned attic, allowing attic ducts to be installed inside a home’s thermal envelope. Many modern designs include cathedral ceilings, and cathedral ceilings need ...Payback Calculations for Energy-Efficiency Improvements - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | December 23, 2011. If you are considering investing in an energy-efficiency improvement for your home — for example, additional attic insulation or a photovoltaic system — …Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Response to Martin Holladay, GBA Advisor Martin, Thanks for the response, I attached a couple of pictures of my knee wall, it is big enough to get behind. ... Unfortunately, I am in a location with very few resources when it comes to green building or renovating. I hope you can offer advice about my unconditioned attic. Basics: 80-year-old ...A second type of heat pump is the ground-source heat pump (GSHP). During the summer, this type of heat pump transfers heat from indoor air to the soil around your house. In some cases, it may transfer heat from indoor air to the water in a drilled will, or to a nearby lake or pond. During the winter, a GSHP collects heat …From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...When I posted the lead photo on LinkedIn a few days ago, Houston home builder Dave Yelovich gave his solution for fixing the wall: High-density R-15 batt in the kneewall after sealing any gaps. Install OSB over it and run it 16 in. above the top plate to create insulation dams. Add some blown-in over the top.With an R-90 roof and R-60 walls, Jenz Yoder's new off-grid house will be well insulated. Yoder's quandary, outlined at Green Building Advisor's Q&A forum, is whether radiant-floor heat is a good idea. "I had two …Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building. A retrofitted wall assembly includes foam board insulation fastened to WRB-covered sheathing; furring strips for a vented rainscreen are fastened to the foam and receive the siding. When I purchased my small 1950s vintage Cape Cod ...If you use EPS, a more environmentally responsible option, it starts out at about R-4/in and maintains R-4/in. Either way, 2.5" is enough to get R-20. R-20 foundation walls are insulated in different ways so the answer would depend on your assembly. R-40 above-grade walls are done in different ways so the answer …The plan is to waterproof the exterior, install drain board, a perforated drain along the base of the foundation and an inground gutter system. However, we are stuck on the water proofing step. Pressure washing the exterior concrete removed all loose coating, but most of the fiber and black coating remain firmly in place.In early November, when it broke ground on a three-bedroom, two-bath home in Yellow Springs, Ohio, Green Generation Building Company began a careful and, the company’s principals hope, certain march to Passive House standards. Completion is inspected in July, although the 1,800-sq.-ft. house is far …Image Credit: Niagara Conservation Corp. Niagara Conservation has introduced a new toilet that’s unlike anything on the market. It uses passive “vacuum-assist” technology to deliver a very quiet, effective flush that consumes just 0.8 gallons (3.0 liters)–making it, I believe, the most water-conserving of any flush …Insulation can be applied on either side of the foundation wall, and the code permits both continuous insulation (like rigid foam) and cavity insulation (such as fiberglass placed in a stud wall on the inside of the foundation). Code requirements are summarized in Table R402.1.3, but here are the basics: Climate zone 3: R-5 of continuous ...22 reviews. #1 of 1 small hotel in Primorsko-Akhtarsk. Location. 4.5. Cleanliness. 3.6. Service. 3.6. Value. 3.0. Welcome to Tropicana Hotel, your Primorsko-Akhtarsk “home …Both of these bulbs currently retail for $13.99. Analyzing the entire Energy Star dataset for LED general-purpose replacement bulbs (9) in the A19 (standard medium screw-in bulb) form factor, the LED filament bulbs have an average efficiency of 109 lm/W. The conventional bulbs (everything else in the dataset) average to 76.5 lm/W.GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high-performance homes.Primorsko-Akhtarsk is an air base of the Russian Aerospace Forces as part of the 4th Air and Air Defence Forces Army, Southern Military District . The base was first used in 1954 …R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.Rigid foam insulation is routinely used in high-performance buildings, but it also seems to attract carpenter ants. By Scott Gibson | March 28, 2016. Ants seem to like rigid foam, as this perforated sheet of insulation seems to show. Builders have tried a number of preventive measures to keep insects at bay, but some …Inspect the attic access carefully to find any air-leakage pathways that need to be sealed. For house plans, use the pen test. Make it easy for occupants to use, including returning it to the sealed position. Attics can be as cold as the outdoor air in winter and much hotter than outdoor air in summer.Building Science Fundamentals: Roof, Part 1: Ventilation By Dr. Joseph Lstiburek Dr. Joseph Lstiburek talks about the not-so-controversial ways to maximize the efficiency and airflow of your roof and attic. Video Transcript: There’s been so much stuff said about roofs that you sometimes lose perspective. I’m going to start off by saying what …With an R-90 roof and R-60 walls, Jenz Yoder's new off-grid house will be well insulated. Yoder's quandary, outlined at Green Building Advisor's Q&A forum, is whether radiant-floor heat is a good idea. "I had two …ABOUT BASEMENTS # Invest in a waterproofing system Basement foundations should be insulated to minimize energy losses and should be protected from water infiltration. Even if a basement is not intended to be used as a finished space, it’s best to assume that it may be finished in the future. That’s why it’s a good investment to …Green Building Advisor is a digital-only media platform in its second decade covering environmentally sensitive design, innovative materials, energy-efficient construction …Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. Ventilation: While some ceiling-mounted cassettes (for example, the Mitsubishi SLZ-KA series) are designed to draw in outdoor air and distribute it to the living space, most ductless heads do not allow for this option. In fact, unwanted intrusion of outdoor air into a ductless head can lead to issues with condensation and temperature …Moisture Management: Pretty Good Building Envelopes. The fundamentals of the Pretty Good House approach to handling water to protect a building from foundation to roof to ensure longevity. BS* + Beer.Design your building and design the excavation. Create a tent roof like the building roof, dig the excavation, and put the tent roof over the excavation. Then wait. Maybe a year, maybe more. After every heavy rain go back to the hole and see if the hole is dry. If, after a long wait the hole remains dry then build your …In my recent post, Living the 100-amp Lifestyle, I quoted the Australian philosopher Samuel Alexander as saying, “Efficiency without sufficiency is lost.”. For years, we have been talking about building our homes with greater energy efficiency; in the meantime, on average, they have doubled in size, eating up all those energy savings.“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …Feb 16, 2024 · The Science Based Targets initiative (SBTi) recently unveiled a draft for pilot testing of its new target-setting guidance for the building sector, set to go into effect in the first half of 2024. SBTi is a partnership between the Carbon Disclosure Project (CDP), the UN Global Compact, World Resources Institutes (WRI), and World Wide Fund for ... R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.2. vinyl siding comes down to about 8-12” from the top of finished grade. 3. the sill looks to be in decent shape but it not airtight on the foundation. 4. the exterior foundation face is a mix of rubble stone, faced with some stucco. Lots of stucco has broken and crumbling, as is some of the rubble. 5.The first time I detailed a “ slabless slab ” was in 2013. I was working with homeowners who disliked the look and feel of concrete and wanted to install elm flooring they had salvaged. The design plans called for a robust insulation and air-sealing package, which meant an expensive building envelope. To reduce costs—and the overall ...May 4, 2022 · The lower the number, the better a product is at keeping heat in. Range: 0.1–1. Look for: Low numbers; best ≤0.30. Solar Heat Gain Coefficient measures the amount of solar radiation admitted through a window unit—either transmitted directly and/or absorbed. Lower numbers mean you’ll spend less on cooling your house. Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. The complete source for building, designing, and remodeling green homes. Try for Free. Green Basics Green Building Advisor’s Encyclopedia of Articles and Videos Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Fiberglass batts are vapor permeable and air permeable. By the way, you don't need a 12-inch air gap between your insulated concrete wall and your studs. One or 2 inches is fine. Ideally, all of your required R-value will be provided by your rigid foam, and your 2x4 stud bays will be uninsulated. Aug 19, 2010 09:12pm.Last month, the community of Fairmount Heights, in Prince George’s County, Maryland, broke ground on a new development of six zero-energy ready, single-family homes—slated for completion summer 2024—that will be available to first-time homebuyers earning 80% or less of PG County’s median income (which is $120,550 for a four-person ...The official recommendation from the ADC is that flex ducts should sag no more than 1/2 inch per foot of length between supports. The supports need to be at the manufacturer’s recommended spacing, but no longer than 4 feet. The straps that hold up the flex duct need to be no less than 1.5 inch [email protected] Phone support available M-F 8am-4:30pm US Central Time US & Canada: 800-943-0253 International: 847-559-7522Subscription to GBA Prime - Green Building Advisor ... Loading... ...Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. Photo courtesy LP SmartSide. Writing in Fine Homebuilding magazine 22 years ago, Massachusetts builder Robert Weatherall described the pleasure of advancing from rough framing to running exterior trim. “It’s like decorating a cake or coloring in a picture,” he said. “After the rush of framing lumber and plywood, the trim is the welcome ...Building Science Fundamentals: Roof, Part 1: Ventilation By Dr. Joseph Lstiburek Dr. Joseph Lstiburek talks about the not-so-controversial ways to maximize the efficiency and airflow of your roof and attic. Video Transcript: There’s been so much stuff said about roofs that you sometimes lose perspective. I’m going to start off by saying what …Whoever lives in the house is going to be stuck with the insulation decision for a long time. The choices aren’t unlimited, but it may seem that way. In addition to ever-popular fiberglass batts, there’s blown-in fiberglass, cellulose, spray polyurethane foam, rigid foam, fiberboard, and mineral wool. Most of those come in more than one ...The top edge of the insulation between the exterior wall and the edge of the interior slab shall be permitted to be cut at a 45-degree (0.79 rad) angle away from the exterior wall. Slab-edge insulation is not required in jurisdictions designated by the building official as having a very heavy termite infestation.Inspiration cruises, Tennis warehouse usa, Nhlshop com, Middletown medical, Orange peel north carolina, Texas wayland baptist university, Lowes bee cave, Improv dania, Cold beer cheeseburgers, Dudley debosier, Ff distant worlds, 105.9 fm the x, Flames restaurant, Bmw of ann arbor
Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. . Warehouse cinemas rotunda
jackson hole rodeoA radiant floor system powered by a boiler that produces 75,000 or 80,000 Btu per hour is overkill, what Theodore Bernstein would call an “atomic flyswatter.”. The case for an expensive heating system built around a powerful boiler begins to collapse as the building enclosure becomes better insulated and air-sealed.what is current thinking for cost-effective energy efficient doors in these three categories: (1) entry door: here looks r important, so ok to cost a bit more, medium traffic. (2) garage door: here 20 minute fire rating is important, looks less important, high traffic. (3) unconditioned space (like access to storage over garage from second ...“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building. A retrofitted wall assembly includes foam board insulation fastened to WRB-covered sheathing; furring strips for a vented rainscreen are fastened to the foam and receive the siding. When I purchased my small 1950s vintage Cape Cod ...Also known as band joists, rim joists are pieces of lumber—either sawn lumber or engineered lumber—that are installed vertically above the mudsill. On a new house, a typical rim joist might be a 2×10 or 2×12. Older houses have all kinds of different rim joists, including 2x6s, 2x8s, or even square timbers like 8x8s.Flash-and-Batt Insulation. Closed-cell spray polyurethane foam insulation has several desirable characteristics. It’s an excellent air barrier, an excellent vapor retarder, and it has a high insulating value per inch (about R-6). Unfortunately, …Most houses in New England have basements (or crawl spaces). There are two locations for insulation between the finished above-grade space and the ground: The first option is to insulate the first-floor joist cavities, above the basement; and the second option is to insulate the basement walls and floor slab.Place 1 to 2 in. of rigid foam insulation on the slab and float the subflooring above. Float two layers of min. 1/2 in. insulation above the foam, staggering all joints. Secure the top layer of plywood to the lower layer with nails or screws. If there is no vapor barrier below the slab, or you’re not sure, it’s best to …Last month, the community of Fairmount Heights, in Prince George’s County, Maryland, broke ground on a new development of six zero-energy ready, single-family homes—slated for completion summer 2024—that will be available to first-time homebuyers earning 80% or less of PG County’s median income (which is $120,550 for a four-person ...From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...All heat pumps work on the same principle, moving heat from one location to another with the help of a closed refrigerant loop, a compressor, and a heat exchanger. In winter, heat is extracted from air, water, or the earth; this heat is used to heat the house. In summer, the process can be reversed so the heat pump pulls heat from the inside and …1. Independent ducting. The best way to duct a dehumidifier is to give it its own independent ducts. The intake side is connected to a grille (or maybe multiple grilles). The supply side is connected to a grille or register (or maybe more than one). It’s the simplest way to set up a whole-house dehumidifier.This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory.GreenBuildingAdvisor.com offers comprehensive and reliable information on designing, building, and remodeling energy-efficient, sustainable, and healthy homes. …A radiant floor system powered by a boiler that produces 75,000 or 80,000 Btu per hour is overkill, what Theodore Bernstein would call an “atomic flyswatter.”. The case for an expensive heating system built around a powerful boiler begins to collapse as the building enclosure becomes better insulated and air-sealed.Installing the water heater. Installation of a heat-pump water heater is basic plumbing, electrical, and HVAC all in one. The first step is to run the water lines. Way back when I ran the PEX for the water supply lines in the house, I had run a line from the main supply, formed it into a loop in the utility room, and then into a …If you are building a new home, do your best to reduce air leakage, and you'll be fine. During the winter, the supply air from an HRV will be somewhat dryer than the supply air from an ERV, so choose an ERV if you're worried. But I don't think an HRV will cause any problems at all in your climate.Tankless water heaters have one advantage over conventional storage units: no standby losses. Instead of keeping water hot around the clock, regardless of whether it's actually needed, tankless units heat water only when a tap or an appliance is turned on. By rights, this should mean lower energy consumption, a decidedly green advantage.In a warm humid climate, an ERV brings in less outdoor humidity than an HRV. (Note: an ERV is not a dehumidifier. It does still add to the latent load in the house.) In a hot-dry climate, an HRV will make your already dry air even drier, sending your precious water vapor out into that desert air. In a cold climate, …When you switch from an air conditioner to a heat pump and keep your furnace, you now have two heating systems. You still have the furnace, but the heat pump will probably do most of your heating. Above a certain temperature, the heat pump does all the heating. Below that temperature, the heat pump turns off and the furnace takes over.One answer from Philips, released this week, is an ultra-thin surface-mount LED fixture designed to look like a recessed can when viewed from below. Measuring only 5/8 inch deep, the SlimSurface LED can be mounted in a shallow electrical box (see Image #2, below). If the installer specifies an airtight box (or implements a few simple air ...In conclusion, green building advisors specialize in helping organizations design, build, and operate sustainable projects. These advisors can provide a wide range of services, including sustainability assessments, energy audits, green building design and construction support, sustainability program development, and support for sustainability ...If you do it this way, you should have very little vibration or sound coupling into the structure from the outdoor units. If the stand itself is vibrating, add some mass. An easy way to do this is to attach some solid concrete 1/2 blocks (about $1 each) to the underside of the shelves where the units are.One builder posted that when he ended up installing siding he shimmed the map siding at these locations to have a flat wall. @Dennis_vab Zip-R 12 is about $4.30 sq/ft without crazy amounts of sheathing. Im currently working on building a house and will be using Zip-r12 in zone 6a. Nailboard panels for roof as well.Looks like MBtek is getting a new pump soon. Appears to be an R290 pump (propane). Global warming coefficient is just 3 on propane, so that's a bit improvement. They also claim it has an output of 175*F. I'm a little skeptical of that. But I have seen other R290 heat pump manufacturers claim similar numbers.In brief, you run low-voltage (16/2 or 18/2) wiring from the underside of the cabinet (s) to a location where you can mount a step-down transformer, which provides either 12 volts or 24 volts to power the lights; the line side of the transformer is fed from a switch, or better still, a "magnetic low voltage dimmer" (MLV).Although I wrote a 2012 article for Fine Homebuilding on ways to insulate the cramped attic behind a kneewall, I’ve never written such an article for GBA. So it’s clearly time for a comprehensive article on the topic. A kneewall is sometimes defined as “a short wall under a sloped ceiling.”. A typical kneewall is between 3 and 5 feet [email protected] Phone support available M-F 8am-4:30pm US Central Time US & Canada: 800-943-0253 International: 847-559-7522If it's plank sheathing in pretty good shape, with at least 3/8" (10mm) between the sheathing and brick it should be relatively safe to insulate the 2x4 bays with a full fill of open cell spray polyurethane foam. That yields about R13 at center cavity, or about R10 "whole-wall" after installing the gyprock.The embodied carbon associated with a building refers to the greenhouse gases emitted during the manufacturing of products and materials used to construct it. These emissions differ from those generated during the building’s operations i.e., operational emissions. As our buildings become more energy efficient, the portion of emissions that ...Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | July 8, 2022. This approach can be used to create an unvented conditioned attic, allowing attic ducts to be installed inside a home’s thermal envelope. Many modern designs include cathedral ceilings, and cathedral ceilings need ...A. In Climate Zone 6, I would advise the use of at least 2 inches of rigid foam before switching to fluffy insulation. Better yet, meet the code requirement for R-value entirely with the foam layer, and skip the fluffy insulation. Green builders don't use XPS -- instead, choose EPS or polyiso.Green Building Advisor offers a middle ground—ideas-level How it information works. that is customized to The the core user’s of the situation Green without requiring detailed is a …All heat pumps work on the same principle, moving heat from one location to another with the help of a closed refrigerant loop, a compressor, and a heat exchanger. In winter, heat is extracted from air, water, or the earth; this heat is used to heat the house. In summer, the process can be reversed so the heat pump pulls heat from the inside and …A second type of heat pump is the ground-source heat pump (GSHP). During the summer, this type of heat pump transfers heat from indoor air to the soil around your house. In some cases, it may transfer heat from indoor air to the water in a drilled will, or to a nearby lake or pond. During the winter, a GSHP collects heat …When used for space heating, an air-to-water heat pump fills the role usually held by a boiler; it requires a hydronic (water-based) distribution system. The heat pump makes hot water; the hot water can be pumped through fin-tube baseboard units, in-floor PEX tubing, or a fan-coil unit. (A system with such a fan-coil unit is called a hydro-air ...A. In Climate Zone 6, I would advise the use of at least 2 inches of rigid foam before switching to fluffy insulation. Better yet, meet the code requirement for R-value entirely with the foam layer, and skip the fluffy insulation. Green builders don't use XPS -- instead, choose EPS or polyiso.Tankless water heaters have one advantage over conventional storage units: no standby losses. Instead of keeping water hot around the clock, regardless of whether it's actually needed, tankless units heat water only when a tap or an appliance is turned on. By rights, this should mean lower energy consumption, a decidedly green advantage.Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s list is putting all or some of the insulation on top of the roof. This keeps the roof sheathing protected from moisture damage because it stays warm.UPDATED on September 7, 2017 with a new postscript. In the fall of 2012, I tested the performance of 11 air-sealing tapes by attaching samples to six different substrates mounted on the exterior wall of my woodshed. A month later, I tried to remove the tape samples to determine which tapes were most tenacious. I reported my findings in …Green Building Advisor. Blogs. Musings of an Energy Nerd; Product Guide; Q&A Spotlight; Building Science; Green Building News; BS* + Beer; Energy-Smart Details ... expect to pay between $1.10 and $1.20 a square foot. More information here: New Green Building Products — September 2010. GBA Editor Martin Holladay | Mar 04, 2013 …Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Green Building Advisor is a source for builders, remodelers, architects and homeowners who want to learn about green building, products and details. Join the community of …The plan is to waterproof the exterior, install drain board, a perforated drain along the base of the foundation and an inground gutter system. However, we are stuck on the water proofing step. Pressure washing the exterior concrete removed all loose coating, but most of the fiber and black coating remain firmly in place.This $250,000 figure was based on 80% of our bank’s expected appraised value of our design at $312,500. The 80/20 loan-to-value matrix is very common in residential mortgage lending. I budgeted an additional $25,000 out of pocket, resulting in my self-design/build budget of $100 per sq. ft.If you are building a new home, do your best to reduce air leakage, and you'll be fine. During the winter, the supply air from an HRV will be somewhat dryer than the supply air from an ERV, so choose an ERV if you're worried. But I don't think an HRV will cause any problems at all in your climate.The specific heat capacity of building materials varies. In general, denser building materials have a higher specific heat capacity per unit of volume than less dense materials, which is why concrete, stone, and gypsum wallboard are more likely to be used to provide extra thermal mass than wood. Three analogies: cistern, frying pan, truckPrimorsko-Akhtarsk Air Base Airport (AG2988) located in Primorsko-Akhtarsk, Krasnodar Krai, Russia. Airport information including flight arrivals, flight …The plan is to waterproof the exterior, install drain board, a perforated drain along the base of the foundation and an inground gutter system. However, we are stuck on the water proofing step. Pressure washing the exterior concrete removed all loose coating, but most of the fiber and black coating remain firmly in place.The embodied carbon associated with a building refers to the greenhouse gases emitted during the manufacturing of products and materials used to construct it. These emissions differ from those generated during the building’s operations i.e., operational emissions. As our buildings become more energy efficient, the portion of emissions that ...This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory.This episode of the BS* + Beer show is a discussion of spray foam insulation —the different types, their properties, application strategies, and problematic aspects. For many high-performance-home builders, spray foam is a go-to solution due to its efficacy not only as a reliable thermal insulator but also as an air barrier, yet it comes with ...The specific heat capacity of building materials varies. In general, denser building materials have a higher specific heat capacity per unit of volume than less dense materials, which is why concrete, stone, and gypsum wallboard are more likely to be used to provide extra thermal mass than wood. Three analogies: cistern, frying pan, truckGregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the batt insulation, then apply 3 in. … The complete source for building, designing, and remodeling green homes. Try for Free. Green Basics Green Building Advisor’s Encyclopedia of Articles and Videos With 2×6 framing, the only way to get R-30 using common insulation strategies is with closed-cell spray foam. Moving to a 2×8 wall allows for high-density batt options like Rockwool’s ComfortBatt, which achieves R-30 in a 7-1/4-in. batt. Several manufacturers of high-density fiberglass batts can also fit in the 7-1/4-in. …In a warm humid climate, an ERV brings in less outdoor humidity than an HRV. (Note: an ERV is not a dehumidifier. It does still add to the latent load in the house.) In a hot-dry climate, an HRV will make your already dry air even drier, sending your precious water vapor out into that desert air. In a cold climate, …A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire.BEAM’s combined functionalities allow users to make project-specific materials selections, identify materials with the biggest carbon penalty, and find alternatives. Users input the main dimensions of a building and are given a list of available materials for the primary assemblies and the carbon impact of each product.Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Potential for pyrolysis. Pyrolysis is defined as the chemical decomposition of wood or coal by the application of heat alone in the absence of oxygen. In short, it is the repeated heating of wood resulting in its changed chemistry and ignition temperature. Typically, this process happens over a long period of time and includes many cycles of .... 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