Serving Old Hickory, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"First Class said what they were going to do, and they did it It doesn't get better than that... and I'll call them for future needs"
Serving Old Hickory, TN and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"I appreciate the honest explanation of my HVAC system. The work was done efficiently and l was extremely pleased with the results. . I will continue to work with this company when needing any additional work. Highly recommend!"
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!"
+46
Serving Old Hickory, TN and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"They made my air cold again and at a reasonable price!"
+6
Serving Old Hickory, TN and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"I highly recommend this company, excellent service, repair was identified quickly and completed as soon as the parts were received from manufacturer"
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 1980
Free estimates
Warranties offered
"Very professional. I feel like I am receiving the most value for the dollars I am spending."
+12
Serving Old Hickory, TN and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Be careful about them asking for money for a heater tuneup. You dont tune a heater you might replace the relay which they did and you might replace the capacitor like they did and they put a lot of effort cleaning the unit inside and out but was charged for a tuneup whatever that means Overall 4+start just dont let charges pile up. Justin did a great job keeping prices low and industry standard"
Serving Old Hickory, TN and surrounding areas
Approved
In business since 2019
Emergency services offered
Credit card accepted
"great job and nice guy"
Serving Old Hickory, TN and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"Discounting the machine that broke and delayed the cleaning, everything was great. The men were very courteous and polite and very efficient. I was very happy with them."
+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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