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Clark Heating and Cooling blog

Clark Heat and Cool is a Phoenix, Arizona based HVAC specialty service company and this blog is to help keep their client, and prospective clients, up to date with changes in the HVAC industry.

Thermostatic Expansion Valve (TXV)

  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...

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Run Capacitor: Not Quite The Flux Capacitor

Ok, 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...

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22 Point Inspection: We Check It All Out

At 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...

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We've used Clark Heating & Cooling several times and have been very impressed with their level of skill and service. I always recommend them...
Katie Wickham Phillips
Two employees came and checked the air conditioner/heat. One mostly upstairs and one inside the condo. Could not ask for better, knowing what they...
Shirley Piepenburg
When I saw smoke coming from our AC unit I was 100% sure that we had to replace it; however, when Ivan checked it out he found the problem that...
Jean M.
A wonderful company! My AC went out the day after our 118 degree day. On that Saturday it was 114 degrees. I looked online for companies with good...
Ruth Ann Hunsinger