Serving Ashville, AL and surrounding areas
Approved
In business since 2005
Emergency services offered
Warranties offered
"They are following up and finishing my central air humidifier install."
Serving Ashville, AL and surrounding areas
Approved
Super Service Award Winner
In business since 1989
Free estimates
Emergency services offered
"They were awesome. Good people"
Serving Ashville, AL and surrounding areas
Approved (Corporate)
In business since 2014
Free estimates
Emergency services offered
At Dunn's Heating, Cooling, Plumbing, and Electrical, we know how hard it is to find a Dependable company you can trust. The time-consuming effort can be frustrating and overwhelming. We believe what matters is getting back to whats important to YOU, so we provide dependable service Dunn right! Dunn's Heating, Cooling, Plumbing, and Electrical is built upon honesty, integrity, and trust. \n\nWe are your local choice for all your HVAC repair, installation, and service needs. We are proud to serve Anniston and Pelham, AL, as well as the surrounding cities. We are family-owned and also family-operated. As a local business, we care about and are invested in the well-being of our community and its future.
Serving Ashville, AL and surrounding areas
In business since 1996
Free estimates
Emergency services offered
"I normally don't write reviews, but One Source Heating and Cooling instead saved me! My house was FREEZING and with a young child at home, I needed help fast. The office staff was friendly and helpful from the start, sending a service technician out shortly after. I even got a phone call when he was on the way, which helps so much when you have kids. Instead of trying to sell me a new unit, the tech was professional , and fixed our heat in no time. I could tell he was very knowledgeable about heating and air, and not just trying to make a sale. I am so thankful for the service I received, I even got a call back a few days later making sure everything was okay. I highly recommend them for any heating and air issues."
Serving Ashville, AL and surrounding areas
In business since 2022
Emergency services offered
Warranties offered
"Brandon Byers, The Comfort Doctor, is the best HVAC guy I have ever met. He was on time. He explained what he was going to do before he did it. In plain English. He found a refrigerant leak the other guy could not find. The price was reasonable. He was not a fast talking salesman trying to pressure me into buying a whole new system. Very knowledgeable. I have been trying to find an HVAC guy I could trust for years. Brandon Byers, The Comfort Doctor is the only guy I will ever call for HVAC maintenance, repair or installation. Beth Grey"
+3
Serving Ashville, AL and surrounding areas
In business since 2021
Free estimates
Warranties offered
"I could not be more happy with the service I received from Bham air! They responded quickly and had my A/C running smoothly the same day. Highly recommend!"
Serving Ashville, AL and surrounding areas
In business since 1992
Free estimates
Emergency services offered
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
+9
Serving Ashville, AL and surrounding areas
In business since 2024
Free estimates
Credit card accepted
"Air Conditioning Tune Up was performed by Tim and Kyle. They were honest about some other work they are going to do for us. We plan to hire them in the fall for additional air conditioning duct repair."
Serving Ashville, AL and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"We own a home-based business which relies heavily on our computers operating efficiently. We have had a service contract with another computer repair business for several years. Recently when we were having problems with our computers, we tried contacting our service contractor multiple times. He never responded. Feeling frustrated, I contacted James at North Alabama Technical Services and explained our situation. He instantly came to our rescue. He "cleaned-up" our computers and took care of all the problems we were experiencing. He went above and beyond to help us in our dire time of need. We would strongly recommend James and his company for computer service needs. We have now retained him on a service contract and are looking forward to working with him in the future."
Serving Ashville, AL and surrounding areas
In business since 2016
Free estimates
Credit card accepted
"Brody and his crew were very professional. They showed up in time and completed the work as previously discussed. What caught my attention the most was their integrity and honesty. They did not try to sale me anything I did not needed like another crew I had used in the past. Is good to do business with good honest people which is hard to find these days."
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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