Thermal Cameras Reveal How to Keep Your Home Cool During a Heat Wave

Recorded hot temperatures remind us how difficult it can be to keep your home cool during a heat wave, no matter how many fans you turn on or how high you turn up the air conditioning. If your house is hard to cool down, you may be fighting against invisible building maintenance problems. Check out what a thermal camera reveals you should do to ensure your home stays cool during the summer.

Fix the Air Leaks in Your Home

Adequate air exchange is important for your comfort, health, and safety, but most buildings have a far higher rate of air leakage than necessary. The root cause is often poor design or construction, resulting in air leakage through chimneys, attics, wall vents, and badly sealed doorways, allowing cold air to escape and hot air to infiltrate.

The source of these drafts can be extremely difficult to detect. With a thermal camera, you can see the movement of hot air in and cold air out and detect leaks.

Air leak through a poorly sealed doorway.  

Install Missing Insulation

Is insulation not for keeping you both hot and cold? Insulation in your home is actually important for both. The role of insulation is to prevent heat transfer, and works both to prevent heat from coming in as well as keep heat out. If you can cool your house down to a reasonable temperature, proper insulation will ensure it stays at that temperature without you needing to run the air conditioning 24/7.

Thermal imagers reveal where insulation might not have been installed properly and is letting heat into your home.

Insulation that has shifted, allowing for heat transfer through the ceiling.

Replace Old or Single-Pane Windows

The US Department of Energy estimates that heat gain and heat loss through windows are responsible for 25–30% of residential heating and cooling energy use. Older, single-pane windows, especially those with poor insulation around the window frame, are a particularly big energy drain.

If a thermal camera reveals high heat transfer through your windows, a long-term cost-saving measure is to upgrade to more energy-efficient windows.

Energy inefficient windows allow a large amount of heat transfer.

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