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New Yorkers, Start Your Blower Doors: It's Blower Door Day

New Yorkers, Start Your Blower Doors: It's Blower Door Day We're happy to proclaim October 3rd Blower Door Day - here at our headquarters, in Brooklyn, New York - as the new residential building energy code requiring blower door testing at 3ACH50 comes into effect.  As we noted in May, of course New York isn't the first to adopt the 2 … read more

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New York State Mandates Blower Door Testing Beginning October: Our Reaction

New York State Mandates Blower Door Testing Beginning October: Our Reaction Airtightness is for Everyone As a company built on airtightness, we have always pushedthe building industry and building codestoward progressively tighter and tighter building goals. Because even at "just" 3.0ACH50, increasing the airtightness of the building envelop … read more

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The Returns From Indiana Are In: 0.4 ACH50 For The Win!

The Returns From Indiana Are In: 0.4 ACH50 For The Win! Vertical furring strips make a vented rainscreen Cruz, Clinton, Trump, Sanders...Warkentien? Dave Warkentien lives in Indiana and recently earned winning numbers: 0.4 ACH50.   He also got winning returns on power usage: at negative 457kWh for the first three months of 2016 (an … read more

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Make Better Choices: Toward A Less Toxic World

Make Better Choices: Toward A Less Toxic World Greenpeace Pyramid of Plastics. Nature is toxic enough - it would seem sensible that we try to limit the amount of toxicity industry contributes.  Almost nothing is completely good.  But in the building industry as with much of modern life there are a dizzying array of invented chemical … read more

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5 Takeaways from the Building Science Corp Thermal Metric Study

5 Takeaways from the Building Science Corp Thermal Metric Study The Building Science Corporation completed ground breaking research in 2015 – with an updated Thermal Metric Summary Report issued last June. Here's our take on it: 1.  It's an Amazingly Useful Tool In the executive summary BSC notes:   "Contemporary insulation  … read more

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Passive NYC: Making the Pathway to 80 by 50

Passive NYC: Making the Pathway to 80 by 50 Passive NYC, A snapshot of low energy building opportunities, barriers, & resources, published by the the Building Energy Exchange, demonstrates that Passive House is a force to be reckoned with: in planning the future of our cities, at every level of policy making, and in building desig … read more

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