Serving Murfreesboro, 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 Murfreesboro, TN and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
Armor Air TN is full home service company specializing in HVAC, plumbing, water filtration, and indoor air quality services.\n \nArmor Air TN is focused on providing the highest quality level of service. You can have peace of mind knowing that some of the best HVAC specialists are working hard for YOU! Our technicians go the extra mile every time, and their experience enables them to tackle whatever issue you may have. We consider it a privilege to play a part in your family?s comfort, and we take our role very seriously.
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 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 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 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 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
"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 Murfreesboro, 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 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
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.
Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.
Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.
Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.
Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.
Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.
Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.