Verifying a Proper Pump Down Following correct procedure can prevent damage to compressor Joe Marchese February 10, 2020 No Comments Refrigerant migration can be damaging to a compressor. The refrigerant migrating back to the compressor can possibly slug the component.Read More
Compressor Discharge Temperature Reflects How Equipment is Operating Keep an Eye on Discharge Line Temps John Tomczyk February 10, 2020 No Comments The compressor’s discharge temperature can tell the service technician what is going on inside a refrigeration or air conditioning system.Read More
Understanding the Building Science Behind “Foamed” Homes How the HVAC community avoids the blame game when homes are flipped, remodeled, or constructed Tom Turner February 3, 2020 One Comment Advanced insulation packages and HVAC are compatible only when both trades anticipate the outcome of the paired options.Read More
Troubleshooting Puzzle: A Gas Pack That’s Not Heating Jim Johnson February 3, 2020 No Comments In this month’s troubleshooting situation, a customer has called for service, reporting that their heating system isn’t working.Read More
Why Air Conditioning Systems Freeze and How to Fix Them Understanding the basics will help your service team Bryan Orr January 20, 2020 No Comments Some systems we work on and install will freeze. Air conditioning is not one of them.Read More
Static Pressure Test a Building to Expand Your Diagnostics These tips will improve your offerings to customers David Richardson January 13, 2020 No Comments Let’s look at some helpful “static” pressure tests you can use on the building side of the duct system to diagnose common problems.Read More
Pay Attention To Pressure Drop in HVAC Systems Severe pressure drop can adversely affect capacity of system Joe Marchese January 13, 2020 No Comments We need to be aware of the possibility of severe pressure drops creating an issue for the system and how we analyze its operation.Read More
Troubleshooting Puzzle: A Furnace with a Flashing Fault Code Jim Johnson January 6, 2020 One Comment In this troubleshooting situation we find ourselves dealing with a gas furnace, and the customer has said that “there is no heat at all.”Read More
How to Diagnose a Thermostatic Expansion Valve Failure Tips for understanding the role of the TXV, and how to service it Bryan Orr January 6, 2020 No Comments This article will hopefully save the lives of a few TXVs and the pocketbooks of some customers.Read More
A Guide to Common Water Heater Issues These solutions can expand your offerings to customers Laura Holton December 23, 2019 No Comments Becoming familiar with the most common problems will mean you can repair water heaters quickly and easily, a skill to add to your repertoire.Read More