Aug 19, 20204 minClogged Liquid Line Filter Drier? How can you tell if you have a clogged liquid line filter drier? If there is a noticeable temperature drop from one side of the filter...
Jun 11, 20206 minCharging a System in a Dry Climate? Consider a TXV and Accumulator!In a dry climate, certain considerations must be taken prior to installing or servicing air conditioning systems. A TXV metering device...
May 28, 20208 minHow NOT to Check the Refrigerant Charge!There are many ways that technicians have tried to get around actually checking the charge of air conditioners and heat pumps with...
May 20, 20206 min10 Reasons Why a Mini-Split Ductless Flare May Leak Refrigerant!On a mini-split ductless system, two copper tubes are needed to transport the refrigerant. These copper tubes are referred to as the line...
May 6, 202011 minChecking the Charge of a Mini-Split Unit!A question that I get asked frequently is “Can I check the charge of a mini-split ductless unit with superheat and subcooling the same...
Apr 22, 20209 minWhy Can’t You Just Measure Pressures to Check a Refrigerant Charge?Most technicians in the HVAC field know the normal range of operation for the low-pressure side of an air conditioning system. This tends...
Apr 16, 202010 minUsing the Total Superheat Charging Method for HVAC Units!In this article, we will define both superheat and total superheat, calculate total superheat, explain how to use total superheat to...
Apr 8, 20207 minThe HVAC Subcooling Charging Method, Explained!In this article, we will define subcooling, calculate subcooling, explain how to use subcooling to check the refrigerant charge, and show...
Mar 31, 20206 minTop 10 Thermostat Related ProblemsRegardless of the type of system or brand of thermostat, it is important to understand that there are many issues that can prevent a...
Mar 25, 20205 minHVAC DELTA T (ΔT) Explained for Air Conditioners!Delta T is a term that gets thrown around in the HVAC field quite a bit, but what does it really mean, what is its purpose, and does it...
Jan 28, 20202 minFilter Drier, Solenoid Valve and Liquid Line Sight Locations in a Refrigeration SystemThe filter drier, solenoid valve, and liquid line sight have unique responsibilities in an automatic pump down refrigeration system. To...
Jan 8, 20203 minTop 4 Reasons Why a Gas Furnace Short CyclesShort cycling means a gas furnace is running through its full sequence of operation for heat, it is providing heat in the building, and...
.png)
.png)
