DIY Thermal Imager Creates a Real Life Heat Map Of Your Home

By Jason Fitzpatrick on May 4th, 2012

If you’re looking to get solid picture of where the poorly insulated and leaky parts of your home are, this DIY thermal imager maps the temperature over an actual photo.

It’s a really clever mashup of tools, frankly. Courtesy of, this project combines a thermal flashlight that uses a non-contact infrared thermometer with a digital camera. Darken the room, set the camera for a long exposure, and then run the thermal flashlight over the surfaces. The LED on the thermal flashlight changes color according to the temperature so when you check out the photo you’ll see exactly where the hot and cold spots in the room are.

Hit up the link below for more details.

DIY Thermal Imager [via Make]

Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to. If it can be modded, optimized, repurposed, or torn apart for fun he's interested (and probably already at the workbench taking it apart). You can follow him on if you'd like.

  • Published 05/4/12
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