How to calculate three phase voltage imbalance description
Calculating 3 phase voltage imbalance is easy and we show you exactly how to measure 3 phase voltage and 3…
Produce walk in not working
This was a problem we found while doing the prevenative maintenance, we diagnosed a few problems and submitted a quote…
Start winding and capacitor crankcase heater
There is an interesting old school way of providing crankcase heat using a run capacitor and I show you how…
Short 14 – the voltage drop tool
Using a volt meter as a voltage drop tool Read all the tech tips, take the quizzes and find our…
Short 9 – commercial maintenance
5 things residential techs need to consider when tasked with doing a PM on a commercial system. Read all the…
Walk in cooler iced up and a bad evaporator motor
This was a service call on a walk in cooler that had a bad evaporator fan motor, I replaced the…
This ac compressor runs backwards on purpose
We show the unique way this bristol compressor is wired that allows it to run in different directions to vary…
See what’s inside a scroll compressor
We cut open a burned out scroll compressor and show what's inside. Carrier: https://www.carrier.com/carrier/ Mitsubishi Cooling & Heating: https://www.mitsubishicomfort.com/ Read…
Coldzone walk in cooler service call
This was a Saturday night Coldzone walk in cooler service call. I found that there were multiple refrigerant leaks and…
Commercial vs. residential a/c w/ ak hvac
A conversation about the pros and cons of commercial vs. residential with Andrew Greaves from AK HVAC on Youtube Read…