It only takes one drop – Time to retire my Testo 770-3 meter

Introducing Nylog White

HVAC Ductwork BEST Practices Using SHURTAPE | Part 1

Why and How to Adjust a TXV / TEV

How to Evacuate an Air Conditioning System (Fast and Deep Vacuum)

HVAC Ductwork/Sheet Metal Tools- Basics, Uses, & Demonstration of Each!

Fluke vs. Chinese Megohmmeter

Gauges every HVAC Technician Needs #yellowjacketgauges #hvac@YELLOW JACKET from Ritchie Engineering

Symptoms of Low Evaporator Airflow