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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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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
We have been customer of theirs for at least a few years now and they’ve been absolutely wonderful. After going back and forth with another company...
Matt Curtis
Fair rates, always on time and Dave Clark can fix stubborn HVAC issues that other companies can't even address. We had 4 companies come out to...
MJ Shere
Was having issues with one of my AC units. They came out same day, diagnosed and fixed the issue. This is a great and honest company that I would...
Jimmy Dwyer