Serving Whites Creek, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Competitive price, very responsive, excellent service."
Serving Whites Creek, TN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Highly recommend. For your duct work and other home repairs !"
Serving Whites Creek, TN and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Stacey proved to be punctual, knowledgeable, and very helpful regarding my particular AC problem. From now on Mid-Tenn is my go to company for HVAC problems!"
Serving Whites Creek, 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 Whites Creek, 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 Whites Creek, 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 Whites Creek, 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 Whites Creek, TN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Emergency outage during thunderstorm. We were afraid that the unit was toast, but Michael quickly diagnosed the problem with the circuit breaker having tripped but not showing as tripped. Service was fast, courteous, and extremely reasonable. We are switching our a/c contractor to DOC!"
+15
Serving Whites Creek, TN and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"They were great. Everything's been working fine since then."
+12
Serving Whites Creek, TN and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1947
Free estimates
Emergency services offered
"My technician was very polite and went above and beyond to make sure everything was perfect. Iâ d recommend him to anyone. His name is Brandon p Jackson. Thank you for our repair and being so polite."
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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