Duct Mastic

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Product Guide Duct Mastic

Keeping Ducts Indoors

Posted on March 30,2015 by user-756436 in conditioned space

If you live in New England, you know that furnaces are installed in basements. But any New Englander who moves to Oregon soon learns that furnaces are installed in garages. And anyone who retires to Texas discovers that furnaces are installed in unconditioned attics. Of course, there are many other examples of similar regional differences in construction practices. But this is one regional difference that matters. New Englanders have it right: furnaces and ductwork belong inside a home’s conditioned space, not in the great outdoors.

What Were They Thinking?

Posted on March 30,2015 by CarlSeville in Batts

I’ve been doing HERS ratings and green building certifications for several years now, and I have run across some pretty scary things during inspections that sometimes make me wonder what everyone was thinking. Now, I was a contractor for a long time, and I understand the challenges of getting things done on time, correctly, and within the budget, and by no means am I trying to minimize those challenges. What does amaze me is how little attention some contractors and trade contractors pay to the details as their projects are underway.

An AC Sizing Benchmark for High-Performance Homes

Posted on March 30,2015 by ab3 in air conditioner sizing

One of the most frustrating parts of my job as a Home Energy Rating (HERS) provider is dealing with the size of air conditioners installed in Energy Star homes.

Will Minisplits Replace Forced-Air Heating and Cooling Systems?

Posted on March 30,2015 by user-756436 in airflow

Because forced-air heating and cooling systems are assembled on site from a great many parts, there are many ways for installers to make mistakes. Researchers have repeatedly shown that a high percentage of residential forced-air systems have major problems, including duct systems that are poorly designed, poorly located, and leaky. Other problems include incorrect refrigerant charge and too much or too little airflow over the cooling coil.

Green Building Programs: Time for a Do-Over?

Posted on March 30,2015 by CarlSeville in BPI

I’ve been involved with green building certification programs for about 10 years now, starting with my work with Southface and the Greater Atlanta Homebuilders Association in developing the EarthCraft Renovation program.

My Forays Into Multifamily Affordable Housing

Posted on March 30,2015 by CarlSeville in New Home

After a decades-long career in high-end, single-family renovation and construction, and a relatively new business providing consulting and certification services for the same market, I recently became involved in several multifamily projects. Starting with National Green Building Standard (NGBS) certification on a market-rate apartment building that was completed in 2010, I am now in the early stages of LEED certification for several affordable projects throughout the southeast.

Solar Decathlon 2011: Team Canada's Turtle-like TRTL

Posted on March 30,2015 by Fretboard in international

The path to Solar Decathlon 2011 for Team Canada – an interdisciplinary group of students from the University of Calgary – cuts through the prairie of southern Alberta and incorporates the culture and traditions of the area’s indigenous people, the Treaty 7 First Nations of Alberta.

Deep Energy Retrofit: Apply the Energy Efficiency Pyramid

Posted on March 30,2015 by ChrisBriley in deep energy retrofit

This is the last installment in the Green Architects' Lounge trilogy on deep energy retrofits. In this episode, Phil and I discuss the importance of sizing your new HVAC system to the heat load of your newly renovated house. (This is where that energy audit information, which we mentioned in previous episodes, is going to come in handy.)

Sealing Ducts: What’s Better, Tape or Mastic?

Posted on March 30,2015 by user-756436 in duct

Most residential duct systems have numerous leaks that waste energy and lead to room-to-room pressure imbalances. Unfortunately, though, few building inspectors outside of California bother to enforce existing code requirements that residential duct seams be sealed with mastic or high-quality duct tape.

What Is a Deep Energy Retrofit?

Posted on March 30,2015 by ChrisBriley in Green Architects Lounge

I recently heard that a good blog is like a red party dress: long enough to cover the important parts, but short enough to maintain one's attention. By that measure, the Green Architects' Lounge podcast episodes are like royal wedding gowns with long trains that flow down the aisle. This is great if you like wedding gowns, but ... Because we feel that many short dresses are better than a single long one, we've decided to divide our episodes into smaller, more manageable parts, and release them with greater frequency. (Time to switch metaphors...)

Get a Green Grip on Stimulus Cash

Posted on March 30,2015 by Fretboard in DOE

What online resources are available to remodelers and builders who want to participate in energy efficiency programs funded by the stimulus package? We identify a few sites that offer program details and contacts. We also highlight some of the challenges facing agencies charged with managing newly expanded budgets.

Beyond Weatherization: More Stimulus Money Coming

Posted on March 30,2015 by user-756436 in energy efficiency

$3.2 Billion in Block Grants For Efficiency Measures WASHINGTON, D.C — Energy Secretary Steven Chu announced that U.S. cities, counties, states, territories, and Native American tribes will soon receive $3.2 billion of stimulus funding for energy efficiency projects. The funding is separate from the $8 billion in federal stimulus funds flowing to the low-income weatherization program, according to the EERE News, an online newsletter from the Office of Energy Efficiency and Renewable Energy.

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