Checking your real tonnage/capacity w/ testo 605i thermo-hygrometers
How can you tell if an HVAC system is actually removing or adding the amount of heat it's supposed to?…
A common cased coil issue
We see cased evaporator coil misalignment quite often. This quick video shows you what to look out for when installing…
How to splice thermostat / control wire with the “nasa splice”
If the ball of thermostat wire and wire nuts is not the sort of splice you like to see, we…
Why and how to adjust a txv / tev
We review how adjust an TXV and what to consider before doing it. Check out an updated version of the…
Reading duct velocity pressure, cfm and static with a testo 510i and a pitot tube
This video shows you how to use a Testo 510i with the Testo Smart Probes App and a pitot tube…
Preventing wire rubout on every service call
In this video, technician Jesse Claerbout covers how to prevent wire rubout on a residential air conditioning PM or service…
Brazing with and without flowing nitrogen + using silver solder rings
Tim Bagnall demonstrates brazing with and without nitrogen flowing with 5 different rod/solder types. He also demonstrates the use of…