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Phoenix HVAC Blog

Thermostatic Expansion Valve (TXV)

Thermostatic Extension Valve | 22 Point Inspection | Clark Heating & Cooling 
This twisty part which is found in an A/C unit regulates the refrigerant flow for the indoor coil.  It is called a thermostatic expansion valve, or TXV, for short.  The TXV makes sure the A/C unit maintains maximum efficiency by allowing only a certain amount of refrigerant to flow into the evaporator. This control over the flow of refrigerant is necessary to make the evaporator as efficient as possible. It also prevents refrigerant from

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Run Capacitor: Not Quite The Flux Capacitor

run capacitorOk, so this round canister-looking part in the picture is not actually a flux capacitor, and it can’t help you time-travel, but it really is called a run capacitor.  The run capacitor plays a very important role in how well the air conditioner runs.

What a Run Capacitor Does

A run capacitor's function is to start compressors and motors and keep them running at a normal amp draw level.  These components will commonly fail in

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22 Point Inspection: We Check It All Out

22 Point Inspection | Routine Maintenance | Clark Heating & CoolingAt Clark Heating & Cooling, we always emphasize the importance of routine maintenance to keep your air conditioner in top shape.  Are you curious about what exactly goes into our routine maintenance checks?  We perform a detailed 22 point inspection, making sure everything is working properly.

Here are the items we check in our 22 point inspection

* Freon levels per manufacturer’s specifications, amp draws on the blower motor, outdoor fan motor, and compressor
*

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Last week my family and I had a rough few days as our air conditioning unit went out. With no thought we called our regular company to diagnose the...
Anderson Family
I called RKS at 7am when they opened. No answer, I left a message. I caled Clark at about 8:30am..they said they would come out around...
Louis C.
David and his team are extremely honest and professional. They honored their estimate even with our unit being a bit more complicated. I am so...
Kristina W.
Wonderful, wonderful service. We have been working with Clark for a couple of years now. On their recommendation, we had a completely new system and...
Bill Capatch