
Serving Murfreesboro, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"He came and fixed the vibration that I hear when I operate the AC."


Serving Murfreesboro, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"He came and fixed the vibration that I hear when I operate the AC."

Serving Murfreesboro, TN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"My existing hvac gave me a quote $10k above Scottâ s and 10k more than their quote from last year. Theyâ ve lost me. Scott was so knowledgeable and did a fabulous job with new duct work and adding a UV light to unit"



Serving Murfreesboro, 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 Murfreesboro, TN and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
"Travis Logan is Great, he was professional, very thorough, showed me what the issue was and repaired the upstairs Central AC. You made this process very easy, comfortable, it was affordable and we are very happy with the service. We highly recommend All in One Heating and AC Service. Again Thank you Travis!! Rita Gale, Murfreesboro, TN"

Serving Murfreesboro, TN and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
"AJ was very professional, knowledgeable and reasonable prices. Didn't feel like I was getting taken advantage of. He explained everything as he was going. He worked on two units, the upstairs and downstairs. It was a pleasure doing business with AJ. I will call him again if I need anything done with my hvac and recommend that you do the same. You will not be disappointed!!!!! Thanks to him we have air conditioning again!!!!"

Serving Murfreesboro, 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 Murfreesboro, 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!"





+46

Serving Murfreesboro, TN and surrounding areas
Approved
In business since 1980
Free estimates
Warranties offered
"Shane was really great! He walked me through potential causes for the dishwasher to not work properly; parts needed to repair, and time and cost. He picked up the parts from a distributor and installed them. The total service time was around 2.5 hours. My wife and I are ecstatic the DW is fixed, because we did not want to buy a new one. I will definitely use HB again; and in fact, I have purchased a Home Protection Plan with them."





+12

Serving Murfreesboro, TN and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Great communication before, during and after the service. Explained everything he was doing and was easy to understand. Very professional, kind and trust worthy."





+6

Serving Murfreesboro, TN and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"Lee was a lifesaver! Will def call him again."





+12
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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