Serving Greeneville, TN and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Credit card accepted
"Absolutely amazing experience with these guys. Was given a great price. Work was outstanding, and super quick to boot. Would highly recommend them for any HVAC needs yall have."
Serving Greeneville, TN and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"Absolutely the best, reasonable and honest HVAC repair out there. Micah (Mike) is easy to talk to and actually listens to the customer. Highly recommend!!"
Serving Greeneville, TN and surrounding areas
Approved
In business since 2024
Free estimates
Warranties offered
"Fast response time and Fast service. knowledgeable about task at hand and helpful. 10/10 recommend!"
Serving Greeneville, TN and surrounding areas
Approved (Corporate)
In business since 1985
Free estimates
Emergency services offered
With 40 years of experience serving Knoxville and the surrounding areas, Quality Plumbing, Heating, Cooling & Electrical provides expert HVAC solutions tailored to your needs. Whether you need heating, cooling, or system maintenance, our skilled technicians ensure your home stays comfortable year-round. We take a customer-focused approach, delivering professional, reliable service with every job.
Serving Greeneville, TN and surrounding areas
Approved
In business since 2017
Free estimates
Offers commercial services
We offer over 10 years of experience in the tech industry. We take on a wide range of tech projects to include full installations well as repairs and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.
Serving Greeneville, TN and surrounding areas
Approved
Free estimates
Emergency services offered
Credit card accepted
We are dedicated to provide quality and timely services. We have been in business for 14 years and have a total of 20+ years experience \n
Serving Greeneville, TN and surrounding areas
Approved
In business since 2007
Free estimates
Credit card accepted
All Star Property Maintenance is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
Serving Greeneville, TN and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
I am a dedicated worker that will show up when I say I will. I will work on any project as if it were my own home. If it is an install, it will be done correctly the first time. If it is a repair, it will be repaired correctly. I do not believe in taking shortcuts on my personal projects, and I will not take shortcuts on any project. I will handle the task quickly, correctly and efficiently every time. I want to make anyone I come in contact with happy and feel and let their mind rest at ease that the job will be done efficiently.
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Serving Greeneville, TN and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"They did an excellent job and were done in a day! Will highly recommend to anyone the house is ice cold!!!"
Serving Greeneville, TN and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
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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