
Spotlight Article:
HVAC to Whole-House Performance Contractor?
Guidelines and best practices for making the profitable transition into whole-house work.
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Homeowners: Who Will Demand Rightsizing?
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Along with conducting detailed load calculations of 40 Sacramento homes, we asked homeowners to complete a brief survey. [continue reading]

How Tight Are America's Houses?
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Researchers at Lawrence Berkeley National Laboratory (LBNL) recently collected blower door data from across the country to analyze the airtightness of the U.S. housing stock. [continue reading]

Regulating Ventless Heaters
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Ventless gas heaters have seen sales take off over the past few years, buoyed by their low cost, attractive design, and high efficiency. [continue reading]

Black Stains in Houses: Soot, Dust, or Ghosts?
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By now, we've all heard about "black soot" or "ghosting"--one of the hottest topics in the building industry today. [continue reading]

Pressure Pans: New Uses and Old Fundamentals
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Duct leakage continues to be one of the biggest home performance problems, so duct sealing retrofits are in steady demand. Here at Ecotope and Delta-T, we've discovered a way for advanced duct sealers to speed up their diagnostics. [continue reading]

Not Your Daddy's Duct Sealing Method
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In new homes and older homes, significant amounts of energy can be saved simply by paying close attention to how a duct system is installed and what materials are used in the installation. [continue reading]



Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...


Doug Garrett
Home Performance and HVAC Contractors: Recent Legislative Initiative In Texas
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they ...
























