Energy Audits & Air Sealing

Step-by-step guides, tested in real houses.

Gloved hands filling a wiring hole through attic framing with expanding foam, caulk gun and headlamp lying nearby

ExteriorEnergy Audits & Air Sealing11 min read

The DIY Energy Audit and Air-Sealing Weekend That Pays Rent

A step-by-step guide to a DIY energy audit and air-sealing weekend: smoke-pencil leak hunting, attic top plates, foam and caulk targets, and weatherstripping.