Energy Efficiency & Air Sealing

More resources for this category are located throughout the Green Built Homes Certification Levels page — specifically under Phases 3-6:

Water vapor is not a contaminant – and ventilation systems are not dehumidifiers

If you’ve been calling water vapor a contaminant, stop it.  You’re not helping.  I’ve confess I’ve said it before myself, but I was wrong. There was a lot of discussion

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All passive-heat storage is not created equal: The case for phase-change materials

Anyone who has sat on a sun-warmed rock on a cold night has experienced the effects of passive-heat storage. The effect occurs regularly in nature with anything that collects solar

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