
Serving Lilburn, GA and surrounding areas
Approved
In business since 1986
Free estimates
Emergency services offered
"Checked AC, changed air filter Service was fine"






Serving Lilburn, GA and surrounding areas
Approved
In business since 1986
Free estimates
Emergency services offered
"Checked AC, changed air filter Service was fine"





Serving Lilburn, GA and surrounding areas
Approved
Super Service Award Winner
In business since 1966
Free estimates
Emergency services offered
"Very good service and was on time. I use Cool Ray for all my air conditioning and heating ."

Serving Lilburn, GA and surrounding areas
Approved
In business since 2010
Emergency services offered
Warranties offered
"Very friendly and efficient. Gave me a thorough assessment of my current AC unit."





+18

Serving Lilburn, GA and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Company was very professional and friendly. I would defiantly recommend them for all heating and air needs."





+17
Serving Lilburn, GA and surrounding areas
Approved
In business since 2004
Free estimates
Warranties offered
"Definetely a knowledge heating and air conditioning company. They are my number one go to company for heating and air!"
Serving Lilburn, GA and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"Comfort Solutions came to my aid in a pinch (same day service). I had just self installed a smart a few thermostats at my place, but 2 of them were not working as expected (only pushing out hot air, and the fan wouldn't shut off). It was also a really hot day. The technician arrived, assessed the situation, tried a few configurations for the thermostats and eventually figured out the problem. The system wasn't that old but it was wired in a weird, and inconsistent way between all the thermostats in the house. In the end, the charge was very reasonable, because even though they spent a lot of time at the house, the fix itself was not that costly. Through the entire service, it was very easy to talk to the technician, he explained everything and answered all questions - it was almost like talking to someone I had known for a while. They also recommended another fix that was not urgent, but something I should keep in mind. They were not even pushy about it - but I will definitely call them when I am ready for the fix."



Serving Lilburn, GA and surrounding areas
Approved (Corporate)
In business since 1898
Free estimates
Emergency services offered
"We quit using them because their service fees were too high. The guy who put the air conditioner was excellent."




Serving Lilburn, GA and surrounding areas
Approved
In business since 1996
Free estimates
Emergency services offered
"The latest visit diagnosed a failed ignition valve which needed to be ordered and replaced. They arrived promptly, assessed, diagnosed and ordered the parts immediately. It only took a few days for the parts to arrive and they were able to schedule me in for the service call. The first technician was able to maintain the ignition valve until the new part was available, which was directly responsible for heating my home. The second technician installed the part and was able to assist me in some technical updates on the app and digital thermostats. I learned so much from Michael and appreciated his knowledge and patience. He also fixed a safety issue on the second level and adjusted the air flow for the system. The system sounds so much quieter. It was a warranty issue with no cost."

Serving Lilburn, GA and surrounding areas
Approved
In business since 2020
Credit card accepted
Offers commercial services
"This company was amazing Corey was very helpful and knowledgeable I definitely recommend rapid hvac"

Serving Lilburn, GA and surrounding areas
Approved
In business since 1949
Free estimates
Emergency services offered
"Cleaned out brush around outside air conditioning units that was not part of their job. Grateful for that!"





+31
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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