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Home energy guides

Field-tested guidance on where to start, what to upgrade, and how to make the numbers work for your home. No jargon, no hype.

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27 articles
DIY air sealing illustration showing a homeowner using a caulk gun to seal gaps around doors and windows, with callouts for common air leak spots like outlets and attic hatch

Air sealing weekend checklist: plug the worst drafts in 2 days

Calm the worst drafts in a single weekend with a DIY air sealing plan that tackles doors, attic access, outlets, and penetrations—without opening walls.

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Guides | Home Energy Decisions