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Events Calendar - Find in-person and online free and low-cost building performance and energy efficiency training and events.

Continuing Education - It's imperative that contractors stay on top of clean energy and energy efficiency new technologies and techniques.

Newsletter Archive - Previous issues of our popular fact-filled Newsletter are available here.

Subscribe to our free Newsletter - Stay up to date on the latest important issues each month.

Industry Acronyms - GHG, VRF, ZNE ? Unsure what industry abbreviations stand for? Find a wide range of essential acronym definitions.

SLA Calculator - Specific Leakage Area is a building's leakiness metric. All you need is a blower door, our calculator, and some basic house info.

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Between staff, the board, and our industry connections we have years of experience in building science and running a contractor business.