Serving Hendersonville, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Competitive price, very responsive, excellent service."
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Scott was able to come out quickly and diagnose the issue I had with my old heat pump. He gave me options to repair or replace. Considering the age of my heat pump was far beyond its expected lifespan, I went ahead and asked him to replace it. He got the parts ordered right away and I had a new unit within a few days. The new system is working great and I was happy with Scott's professionalism, communication and cleanliness. Highly recommended."
Serving Hendersonville, TN and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Stacy Ferrell, owner of Mid-Tenn Mechanical, was prompt, efficient, knowledgeable, courteous, and friendly. There's not more you could ask of a service provider. Stacy was patient and thorough when describing and explaining what was going on with my A/C and repaired my system to solid working order. The pricing was fair, and I was extremely pleased to know that he would follow-up promptly should any other issues arise. I highly recommend Mid-Tenn and will call them first should another need arise."
Serving Hendersonville, TN and surrounding areas
Approved
In business since 1985
Emergency services offered
Credit card accepted
"One person came out for about 30 minutes. He cleaned my air conditioning unit, and checked my filter to make sure my air conditioning was blowing out cold air. He left the area very clean."
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
"AJ was professional and arrived on time. He had the problem diagnosed and fixed in less then 30 minutes. I will trust UAV Air and Heat with all my HVAC needs."
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"I would definitely recommend Icon to anyone who is in need of air conditioning service. They did a professional job for me and everything was done on time. They will stand behind their work and make sure everything is done to your satisfaction. Keep up the good work!"
+3
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"I couldn’t be happier with everything about this company. Always kind, always honest, faster than any other place I’ve called, and the owners are amazing people. All for an affordable price! Thank you Premo Air!"
+41
Serving Hendersonville, TN and surrounding areas
Approved
In business since 1980
Free estimates
Warranties offered
"Tyler and Henry were complete professionals. They did not over sell me but gave me plenty of good options depending on my budget. They were able to fix a problem that was a cause for most headaches. Thank you guys for doing such a great job."
+12
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Jimmy came out to do the fall service for our two systems. He was especially meticulous in servicing and answering questions we had about what needed to be done to insure our systems were working as well as they could be nto keep our energy costs down. He was on time and available to help in any way he could. We have had other Heating and Air Companies but have never been as satisfied as we were today."
+6
Serving Hendersonville, TN and surrounding areas
Approved
In business since 2019
Emergency services offered
Credit card accepted
"Quick to respond. Anthony came to the house and addressed the concerns with heat pump unit the same day. One year warranty on the weld he performed. Great price. Great service guy. I highly recommend."
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
From average costs to expert advice, get all the answers you need to get your job done.
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