
Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Calvin was great. He was quick and efficient and now my air is back to feeling cool!"




Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Calvin was great. He was quick and efficient and now my air is back to feeling cool!"



Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Anthony and Kaitlyn were amazing! They both went over and beyond helping me with my warranty co. Witch I had been dealing with for 4 mouths. They got things done. Not only did they help with the warranty co they went over all my options, cost and time frames. Worked around my schedule. Showed and explained to me in detail what was wrong with my 2 units. Showed up for appointments. What a blessing! I cant even begin to tell you how how much I appreciated all the extra effort. Both Anthony and Kaitlyn (put in hrs.) dealing with my warranty co. And that no joke! I would highly recommend Honest AC to everyone and they are extremely knowledgeable, honest and affordable. They make it real clear in all that they do! THERE CUSTOMERS MATTER. Unlike my warranty co. LOL Honest ac will have me as a customer for life! Wish you the best success to you both. Thank you! thank you! Anthony and Kaitlyn for your help I needed it."





+6

Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2023
Free estimates
Offers commercial services
"Dustin did a great job and dedicated a large chunk of the day to the proper installation of two Ring floodlight cams. Outstanding customer service at a fair price."

Serving Oliver Springs, TN and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"Highly recommend! Very professional and dependable! If you want someone to get the job done and done right for an affordable price definitely contact Bullock Heating and Cooling!"





+1

Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"I did it my self for half the cost but thank you I did a wonderfully job JnR handyman 5star rating for my company"





+2

Serving Oliver Springs, TN and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"I found Worley H&C from Angi website. He reached out within minutes and repair was completed SAME DAY. This was for one of the rental properties i own. I was out of state. I will MOST DEFINITELY keep this number for future! Absolutely no regrets and Absolutely no negative issues with this company. Its a challenge to get ethical, honest repairs with companies these days. This company was a blessing for me."





+18

Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2025
Free estimates
Offers commercial services
"Did a great job fixing my toilet and the valve to the toilet. Will bring him back to fix more plumbing issues."





+18

Serving Oliver Springs, 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 Oliver Springs, TN and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Rocky was extremely helpful on the phone and Jackson was stellar doing my hearing ductwork so much so that I will use Aire Serv for two additional projects. Jackson was thorough and thoughtful in dealing my issue and did an amazing job fabricating a difficult section of ductwork under my new kitchen cabinets. Very well done and a credit to Air Serv. Thank you!!"





+6

Serving Oliver Springs, TN and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"I had an outstanding experience with Keith from KCAC Home Repairs. When my A/C was on the fritz, Keith came to the rescue, and I couldn't be happier with the service. First and foremost, Keith was incredibly easy to work with. His professionalism and communication throughout the process made it a breeze. He took the time to explain the issue and the necessary repairs, which made me feel confident in his expertise. What truly impressed me was how quickly Keith got the job done. He wasted no time in diagnosing and fixing the problem, demonstrating remarkable efficiency. In no time, my A/C was up and running, cooling my home like it was brand new. I can't stress enough how satisfied I am with the service provided by KCAC Home Repairs. Their speed, efficiency, and the end result â my perfectly working A/C â left me thoroughly impressed. If you're in need of home repairs, I wholeheartedly recommend Keith and his company. They're the epitome of professionalism and excellence in their field."
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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