Tag Archives: air sealing

Sparky Doubled the Air Leakage in this Home!

Sparky Doubled the Air Leakage in this Home This is the home. This is the hole that Sparky (electrician) “innocently” made to feed a wire to the light on the front porch of the High Performance Bungalow. I discovered it a day or two after our home performance diagnostics team, Carl Seville and Abe Kruger, of SK […]

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Air Conditioning an Island Home in the Bahamas

Air Conditioning an Island Home in The Bahamas Apart from being beautiful, it is HOT and really HUMID in The Bahamas. The locals are used to it, and visitors put up with it just to be in The Bahamas. We certainly put up with it during our visit this past July, and it was so worth it. I […]

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Design-Build Roswell – A High Performance Bungalow

Design-Build Roswell – A High Performance Bungalow We recently finished the construction drawings and are ready to break ground on this new high performance home for homeowners in Roswell, Georgia, which is near Atlanta. It is one of our first design-build projects where LG Squared is the architect, the interior designer, the HVAC designer, AND the builder. In fact, […]

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Preserving a Historic Home with Building Science

PRESERVING A HISTORIC HOME with BUILDING SCIENCE Historic Preservation is mostly about preserving and protecting buildings, objects, landscapes or other artifacts of historical significance. The Historic Molette House, ca. 1825 has a lot of significance in the Molette Family, as well with the people near the Molette’s Bend area near Selma, Alabama. When the home was moved […]

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Attention to High Performance Details In New Homes Pays Off

On the One Hand… …the Proud Green Home at Serenbe has been a kind of Experimental House for High Performance Design and Construction. Some of the features, products and practices we’re trying for the first time with this home, others we’ve used or done before, but they are still relatively new to the industry. To […]

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Hold the Foam! This Home is Already High Performance!

Before spray foam insulation was installed in the walls and roof-line of this Atlanta-area home, it tested better than the 2012 IECC requirements in climate zones 3-8 for building envelope tightness. The High Performance Home Several weeks ago we reported that the Proud Green Home at Serenbe, built by the Imery Group, achieved a blower door […]

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PGH at Serenbe is 90% Tighter than Energy Code – Before Drywall!!

Before drywall was installed, I tested the infiltration (air leakage) at the Proud Green Home (PGH) at Serenbe, and the home achieved 0.72 ach50, or 0.055 ELR (more on these numbers in a minute). In other words, it’s really tight!!! The 2009 International Residential Energy Code (IECC), which is adopted in most states, requires an infiltration rate of […]

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Designing A Perfect Residential Wall – Atlanta, Georgia

Atlanta, Georgia has a reputation for getting pretty darn hot, but it can also get pretty dang cold (No snickering from you Northerners, please!). Believe it or not, Atlantans use more energy to heat their homes than they do to cool them. The design temperature set by ASHRAE for the Metro Atlanta area to use when designing heating systems, is […]

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14 Design Don’ts for High Performance Homes, Part One

There are a lot of ways to design a home. Designing one for high performance, though, or even better-than-average performance, has many recommended best practices that are based on a lot of research of homes that have failed because they’re unhealthy, inefficient, and/or falling apart. This is why we have building scientists (see SOAP BOX […]

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Improved Energy Codes, Diminishing Return, & a New Performance Baseline

It wasn’t long ago that the EPA’s ENERGY STAR New Homes Program created an uproar in the residential building community by releasing Version 3.0 of it’s volunteer 3rd party verification program. One of the biggest crack downs in the new version was it’s requirement for HVAC Contractors to test and verify their installations of the heating […]

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