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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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You guys were excellent and on time. The workmanship was wonderful. Thank you for a job well done. I would recommend you to anybody.
Diane Friedl
Always professional, honest, friendly and even worked around my granddaughter's nap time! Won't use anyone else. Highly recommend!!
Janet Kronmiller- Lewark
They were so helpful and kind. The scheduler tried to help me over the phone and gave me some tips before even setting the appointment. Elijah was...
Nicole Payne
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