I've had this discussion with more than one homeowner. They are standing there pointing their laser at a vent after the air just came on. Vent was sitting in heat and is 80+ degrees while the air coming out is 60 degrees. Can you get a proper temperature reading with the infrared thermometer? Watch!
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Hey guys before we get to the video for more tips and tricks in the heating and air industry, please click that subscribe button. Thank you. Hey guys, josh with griffin air and the new hvac guide, wanted to do a real, quick video, because i have had customers of my own and i've even seen. Other heating and air techs use those.

What we would call like an infrared thermometer or some sort of laser thermometer, so they've got their little laser pointer out there and they can beam it up and whatever it hits, it will tell them what the temperature is, and i just wanted to do a real Quick video, letting you know that it is not actually a very accurate measurement when you're talking about the air temperature in heating and air instances. What do i mean by that? Well, if you use an infrared thermometer and you shoot it on something, and so you now got this red dot on something you are actually taking. The temperature of the surface of whatever you're hitting and i've even seen. Discrepancies of several degrees, where we'll take even just a simple meat thermometer, stick it up in a vent and you're getting one temperature.

But then you take your infrared thermometer and shoot that little red laser on there and you're getting a totally different temperature. So i hope that helps if you're trying to say see how good your system's doing, maybe you're doing a delta t measurement trying to see what the difference is going in your return and coming out your supply you're not going to get a very accurate measurement using Those infrared thermometers, i hope that helps thanks for watching. The last thing i'll say is: if you're in the market for a new heating and air system and you're in virginia and the middle peninsula or the northern neck, give griffin air a call. We'll give you a free estimate and the best warranty in the area, but if you're not in our coverage area check out my new website, i've even got a little banner up here.

New hvac guide, dot com check out that site because we've put so much information on there. It's as if i wrote a book telling folks, hey here's, the good and the bad avoid this or that i've even got a whole page called no knows things to stay away from, and so before you spend thousands check out that website and finally, for more tips And tricks in the heating and air industry click that subscribe button thanks for watching you.

2 thoughts on “Infrared thermometers accurate for hvac? truth bombs on getting temperature readings!”
  1. Avataaar/Circle Created with python_avatars DriverLost says:

    Slight movements to achieve your desired temperature 😅 I use one but not for checking temperature drop.
    Old school teaching I got was use a mercury type thermometer and that same thermometer for both input and output across the coil.
    Can’t lie the Fieldpiece dual is what I use now lol.

  2. Avataaar/Circle Created with python_avatars Michael W. Perry says:

    True, but in many cases, accuracy may not be as important as relative temperatures. If one vent is discharging at 72 degrees and another at 68, the latter is probably getting more air flow. Just be careful to aim at the same place on both.

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