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We Are the 99% — AND the 1%

We Are the 99% — AND the 1%

Subtitle:  Design temperatures, load calculations, and oversized HVAC systems Images:  We’re making progress! With the all the emphasis on energy codes and energy efficiency programs like Energy StarLabeling system sponsored by the Environmental Protection Agency and the US Department... [Read more]

The Trouble with Homes — Asthma and Poor Indoor Air Quality

The Trouble with Homes — Asthma and Poor Indoor Air Quality

Subtitle:  Bad moisture management details in your home may be making you sick Images:  I grew up with really bad asthma. Not being able to get enough air into your lungs, in case you haven’t experienced it, is pretty scary. I remember... [Read more]

Is the Pretty Good House the Next Big Thing? Part 2

Is the Pretty Good House the Next Big Thing? Part 2

Subtitle:  A look at water use, home performance, verification methods, commissioning, and homeowner education Images:  Let’s get back to the Pretty Good House concept now. Last month I wrote part 1, called Is the Pretty Good House the Next Big Thing? Related... [Read more]

How Much Air Leakage in Your Home Is Too Much?

How Much Air Leakage in Your Home Is Too Much?

Subtitle:  Whatever your air tightness goal, ACH50 isn’t the best unit to measure it Images:  Whether you want to build a new home or fix an old one, the way to ensure that you get the best performance is to do the building envelopeExterior components of a house... [Read more]

Building Science Corp. to Host a Seminar for GBA Pro Members

Building Science Corp. to Host a Seminar for GBA Pro Members

Subtitle:  Join Joe Lstiburek for an intimate presentation on renovation and rehabilitation at his recently renovated barn Images:  Green Building Advisor is pleased to announce through a special partnership with Building Science Corporation, a one-day class on building science as it relates to Renovation and Rehabilitation... [Read more]

Building Science Corp to Host a Seminar for GBA PRO Members

Building Science Corp to Host a Seminar for GBA PRO Members

Subtitle:  Join Joe Lstiburek for an intimate presentation on renovation and rehabilitiation at his recently renovated barn Images:  Green Building Advisor is pleased to announce through a special partnership with Building Science Corporation, a one-day class on building science as it relates to Renovation and Rehabilitation... [Read more]

Is the Pretty Good House the Next Big Thing?

Is the Pretty Good House the Next Big Thing?

Subtitle:  And what might one look like in a mixed-humid climate? Images:  I love the Pretty Good House concept! The folks up in Maine who’ve been developing this idea in their monthly green building discussion group (Steve’s Garage) have struck a chord with a lot of us who design,... [Read more]

Who Knew the Stack Effect Could Be So Controversial?

Who Knew the Stack Effect Could Be So Controversial?

Subtitle:  Heat rises, and so does warm air Images:  Recently, I wrote a little article about the stack effect to explain that the flow of air and heat is upward in winter but downward in summer. Turns out, the stack effect is a hot topic. That article has gotten 25 comments so far. When I posted it to the RESNET BPI group... [Read more]

Blower Door Testers Wanted — Scientists and Engineers Preferred

Blower Door Testers Wanted — Scientists and Engineers Preferred

Subtitle:  RESNET's new performance testing standard will require technicians to sharpen their pencils Images:  OK, the title here may be a little extreme, but if you’ve taken a look at the new chapter on performance testing and scope of work in the HERS Standards, you know what I’m talking about. RESNET just... [Read more]

An AC Sizing Benchmark for High-Performance Homes

An AC Sizing Benchmark for High-Performance Homes

Subtitle:  Fighting air-conditioner rules of thumb with a new rule of thumb Images:  One of the most frustrating parts of my job as a Home Energy Rating (HERSIndex or scoring system for energy efficiency established by the Residential Energy Services Network (RESNET) that compares a given home to a Home Energy Rating System... [Read more]

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