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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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I will forever recommend Clark Heating and Cooling for their professionalism and ability to get the job done! They are extremely communicative and...
Heather Stutzman
Clark Heating and Cooling was great to work with!  They came out right away when our ac went out.  Our replacement was going to take a few...
Ryan Babcock
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
We have a home warranty [ will not name them ] for over 6 years . We are seniors . June 30 2021 our A/C went out. Made a call,we might get some one...
daniel woolums