Interior Air Quality

Reader Questions – Potential Mold Growth in Cellulose

March 4, 2013
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  I get a number of homeowner emails with residential energy questions. I try answer the questions and thought I’d publish (with permission) some of the responses here. I’ve altered the exchanges slightly to remove all personal and company names. I mean besides mine or those I’ve been involved with. _______________________________________________________ Good afternoon Erik, I […]

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The Worst House I Ever Audited (Was Built in 2008) Part 2

March 1, 2013
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    Last post I started reviewing possibly the worst house I ever audited. There have been others with a similar magnitude of issues. But this house had built in 2008, which some folks thinks signifies no worries. But to reiterate a buddy’s favorite saying, “a house built to code is the worst house you’re […]

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The Worst House I Ever Audited (Was Built in 2008) Part 1

February 27, 2013
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    OK, maybe THAT house wasn’t built in 2008. One thing apt to set my teeth on edge as an auditor is when folks casually assume that a new home won’t have energy problems or be inefficient. I was just discussing some marketing with a friend, who casually dropped that weatherization and efficiency work […]

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Major Thermal Bypasses – The Big Holes in Your House

November 14, 2012
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    First, a bit about my writing…I write longhand whenever I have spare time. Between audits, at lunch, after the gym when stopping for a coffee then I type them up. The thing is that I find a lot more spare time in my walking around day than at the home/office. To say there […]

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CFM50 And ACH50 – How They Work (And How They Don’t)

November 12, 2012
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    CFM50 and ACH50 are two blower door measures that I bandy around all the time but have never defined. If I were trying to play it mysterious I would say, hey, we have to keep some of this mysterious. A more ‘actual’ reason would be that, despite my sincere belief otherwise, talking about […]

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