Energy codes can be confusing.

Find out which one applies to your project.

intro to This Old House

We’re on Episode 4 of This Old House’s 2020 Idea House Build: Cottage on the Cape!


We perform a blower door test to assess the tightness of This Old House’s 2020 Idea House and help Chris Ermides look for any evident leaks in the envelope.

 

 

 

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