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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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Holy Cow! I full well expected  any company that came out for a tune up was just going to tell me to give up on my unit and give them 10k for a...
Liberty Bratt
My ac stopped blowing air into the house last night but I could hear the unit running on the roof.Searched on yelp for good services, saw Clark...
nicole r.
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
Simply outstanding! Its always an emergency when the AC goes down right? Clark responded that day when others couldnt get to it for days even a week...
Ron Cohen