Tech Tips

March 2, 2020

Tech Tip: Pressure Switch

The furnace pressure switch is a safety control that is designed to prove that combustion air is flowing though the heat exchanger and combustion exhaust byproducts are vented out the flue.  The pressure switch is a normally open set of contacts. The contacts will close when the pressure in the induced draft blower housing has […]

September 30, 2019

Installation Check List

The installation is done!  There have been many hours spent bidding the job, rounding up all the materials needed, getting the equipment, and installing the system.  The customer pays you thousands of dollars, you should make sure the job is done correctly the first time, not only for their benefit but for your bottom line […]

June 27, 2018

5 Ways Changing the Compressor Can Save You Money!

When the compressor needs replacing, many homeowners and contractors consider the option of replacing the entire system. Here are 5 reasons why changing the compressor is the more cost-effective option. Less Labor – A single tech can change a compressor, whereas a system change-out requires at least two crew members. No Demolition or Line-Set Replacement – […]

May 1, 2018

Open Compressor Windings

To determine if compressor windings are open or shorted, perform this simple test. Measure the Ohms across 3 compressor terminals using an open continuity setting on your multimeter Common to Run should have the lowest resistance Common to Start should have the 2nd largest resistance Run to Start should have the largest resistance In all […]

June 18, 2016

Using an R-410A Flare Tool

The R-410A flare tool will create a defined 45 degree angle in the copper so it will seal tightly against the flare fitting. Older flare tools will not create a tight seal. When installing mini-splits, flares are required on each end of the line set to connect the evaporator and condenser. Since R-410A is a […]