air-sealing-and-insulation

How to measure air sealing results with quick DIY checks and a blower door test, so you know it worked before the next bill arrives.

Learn how to read a home energy audit report: the blower door number, insulation gaps and priority list explained in plain language.

An infrared thermometer finds drafts one spot at a time; a thermal camera scans a whole wall. Compare cost, accuracy and where readings mislead you.

Learn how to find air leaks in house with a smoke pencil, incense stick and window fan test, then know when a professional blower door audit is worth it.

A blower door test explained: what CFM50 and ACH50 mean, what a good score looks like, and how to read your report without guessing.

Run a DIY home energy audit with tools you already own. Find air leaks, weak insulation and duct losses before you call a pro or buy materials.