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The Best Garage Thermal Leak Detector

The most cost-effective way to control the garage temperature is to find and and fix leaking air. Thermal leak detectors use infrared light to find temperature differences in the walls, doors, and windows. A big difference means the area is leaking. You can use insulation to fix the draft.

The best budget thermal leak detector is the Black & Decker TLD100. The best James Bond coolness thermal detector is the FLIR One. There’s one for Android and one for Apple phones.

Product
Best Budget
BLACK+DECKER Thermal Leak Detector (TLD100)
Best Android
FLIR ONE Gen 3 - Android (USB-C) - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Best Apple
FLIR ONE Gen 3 - iOS - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Image
BLACK+DECKER Thermal Leak Detector (TLD100)
FLIR ONE Gen 3 - Android (USB-C) - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
FLIR ONE Gen 3 - iOS - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Operating Temperature
-30 to + 150
-20 to +120
-20 to +120
Power
9 V battery
Uses cell phone's battery
Uses cell phone's battery
Tolerance
1, 5 or 10 degrees
Less than one degree
Less than one degree
Signal
Shines on wall so you don't have to keep looking at the meter
View display for changes
View display for changes
Accuracy
Can tell you a window is leaking, but might not be able to point to the exact point in the seal that needs insulation
Pinpoints changes
Pinpoints changes
Notes
-
Buy directly from FLIR here: FLIR One
Buy directly from FLIR here: FLIR One
Best Budget
Product
BLACK+DECKER Thermal Leak Detector (TLD100)
Image
BLACK+DECKER Thermal Leak Detector (TLD100)
Operating Temperature
-30 to + 150
Power
9 V battery
Tolerance
1, 5 or 10 degrees
Signal
Shines on wall so you don't have to keep looking at the meter
Accuracy
Can tell you a window is leaking, but might not be able to point to the exact point in the seal that needs insulation
Check Price
Notes
-
Best Android
Product
FLIR ONE Gen 3 - Android (USB-C) - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Image
FLIR ONE Gen 3 - Android (USB-C) - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Operating Temperature
-20 to +120
Power
Uses cell phone's battery
Tolerance
Less than one degree
Signal
View display for changes
Accuracy
Pinpoints changes
Check Price
Notes
Buy directly from FLIR here: FLIR One
Best Apple
Product
FLIR ONE Gen 3 - iOS - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Image
FLIR ONE Gen 3 - iOS - Thermal Camera for Smart Phones - with MSX Image Enhancement Technology
Operating Temperature
-20 to +120
Power
Uses cell phone's battery
Tolerance
Less than one degree
Signal
View display for changes
Accuracy
Pinpoints changes
Check Price
Notes
Buy directly from FLIR here: FLIR One

Find and Fix Temperature Leaks

A thermal leak detector can show you what parts of your garage require insulation. Does your garage door allow in the heat or freezing air?

The Best Budget Detector

The advantage of the Black & Decker thermal leak detector is that it’s relatively cheap and still very useful. The Black & Decker gives you instant feedback on the wall where you are measuring. This means you don’t need to look at the target and back at the screen again It uses the baseline temperature, then it shines green for everything also in that range. A blue light means the target is cooler than the baseline. A red light means the target is warmer.

BLACK+DECKER Thermal Leak Detector (TLD100)
3,669 Reviews
BLACK+DECKER Thermal Leak Detector (TLD100)
  • Uses infrared sensors to measure surface temperatures. It performs within the ranges as specified for home repair use and should not be used to check the temperature of living beings
  • Helps homeowners track down power-draining drafts
  • Sold with a 5-step guide to fixing basic energy leaks and comes with the thermal leak detector
  • Plugging leaks can save up to 20 percent on heating and cooling costs. Plastic housing with ergonomically formed grip for ease of use

The Coolest Thermal Imaging Camera

FLIR makes military imaging products which they are now selling to consumers. The FLIR One attaches to your phone using the USB port. There’s one for Apple and one for Android. It pinpoints temperature changes anywhere you point it. Artificial intelligence paints an outline of the target into the infrared colors so you know what you’re looking at later. “Later” is when you play back your session on your smart phone. The FLIR detects temperature differences in HVAC, circuit breaker panels walls, doors, and windows. This is the unit that HVAC professionals and electricians use at work.

Sale $31.01
FLIR ONE Gen 3 for Android
2,707 Reviews
FLIR ONE Gen 3 for Android
  • Lightweight accessory that transforms your Android device into a powerful thermal infrared camera
  • Free FLIR ONE mobile app (recently updated) with exclusive content, real time professional tips and tricks, multiple spot meters, and easy automated reporting to document your findings user registration not required
  • FLIR ONE allows you to measure temperature variances
  • Capture and share thermal images and videos. Exclusive MSX Technology blends thermal and visible spectrum for more detail and enhanced resolution
  • Spot Meter: Off / °C / °F. Resolution 0.1°C / 0.1°F

Sale $31.01
FLIR ONE Gen 3 for iOS
2,707 Reviews
FLIR ONE Gen 3 for iOS
  • Lightweight accessory that transforms your Android device into a powerful thermal infrared camera
  • Free FLIR ONE mobile app (recently updated) with exclusive content, real time professional tips and tricks, multiple spot meters, and easy automated reporting to document your findings user registration not required
  • FLIR ONE allows you to measure temperature variances
  • Capture and share thermal images and videos. Exclusive MSX Technology blends thermal and visible spectrum for more detail and enhanced resolution
  • Spot Meter: Off / °C / °F. Resolution 0.1°C / 0.1°F
  • Spot Meter: Off / °C / °F. Resolution 0.1°C / 0.1°F

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