This episode of the HVAC School Podcast is made possible by generous support from Testo,

Rector Seal, and Carrier.

Thank you to Testo, Rector Seal and Carrier

for supporting the HVAC School Podcast,

helping us with so many resources and really investing

in technician training.

And I do want to say all three of these companies make products that I really believe in.

One product is the Testo 550.

I've talked a lot about this set of gauges, this manifold set.

It's the one we use most commonly in my business and what you get for the money

that you spend. There's just no product out there that I've seen to match it, even from just

the standpoint of the fact that the clamps use a thermisster instead of the

K-type thermocouple, which is significantly more accurate.

When you're wanting to measure really find, really find like temperature differences, like

for example, the temperature difference across a liquid line

dryer where you really shouldn't have any difference whatsoever. It's really

important to have very accurate test equipment and the testo 550 is a great

product at a great price and it's also a nice size

the sizes you can actually handle some of the other great products that are on the

market are good products but they're very large a lot of them use K-type

therma couples instead of thermisters in the testo 550, you kind of get all of it in one package.

I also want to mention I've been doing a lot of conversations about AC leak-freeze, the rectus

...