Serving Old Hickory, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Competitive price, very responsive, excellent service."
Serving Old Hickory, 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 Old Hickory, TN and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Well versed in Air Condition brands, makes models construction designs, along with the life & maintenance cycle issues. Straight up No non-sense approach. Stacey has bent over backwards to keep our current unit running, which has been no small feat based on the multiple tube failures until the new replacement equipment arrives-"
Serving Old Hickory, TN and surrounding areas
Approved
In business since 1985
Emergency services offered
Credit card accepted
"Fast, affordable, communicative, and good folks"
Serving Old Hickory, 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 Old Hickory, 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 Old Hickory, TN and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"The Premo tech Jeremiah was knowledgeable and helpful. He not only fixed the AC problem quickly, but also helped us know the best way to run the system for the way it was built. We will definitely call Premo again!"
+41
Serving Old Hickory, TN and surrounding areas
Approved
In business since 1980
Free estimates
Warranties offered
"Pretty easy to book with and completed job in a timely manner."
+12
Serving Old Hickory, 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 Old Hickory, 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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