passivhausMAINE's Forum12 happens this Februrary. Join us in Portland starting Feb. 27 to discuss wide-scale retrofitting, Maine’s green workforce, new building processes and materials, and re-imagining the ‘100-year building...: Learn more.

how weather-tight
is your home?

retrofitMAINE is an open-source, collaborative project to monitor, document and analyze high-performance retrofits of common Maine building typologies, using passive house principles

retrofit research

collecting and
analyzing retrofit
survey data

We are a recipient of the DOE's Building's Upgrade Prize!

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