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 2001
Free estimates
Emergency services offered
"Le's heating an air conditioner an refrigeration are very professional gets the job done an really se of tje best workers i seen in a long time"
Serving Lilburn, GA and surrounding areas
Approved (Corporate)
In business since 2000
Emergency services offered
Credit card accepted
"I highly recommend this business. The technician, Pierer, and his colleague were true professionals and incredibly courteous. Even though I was their last appointment of the night, they went above and beyond to source a replacement part that wasn't stocked on their truck. I truly appreciate their dedication to getting our HVAC unit running late in the evening. Thanks to them, my family was able to sleep comfortably with the heat restored."
Serving Lilburn, GA and surrounding areas
Approved
Free estimates
Warranties offered
Small jobs welcome
We are experts in the service, maintenance, and inspection of air conditioning units—providing a complete solution right at your fingertips.
Serving Lilburn, GA and surrounding areas
Approved
In business since 2022
Free estimates
Customers say: True professional
"Itâ  s the best service. They looked at our AC unit and knew what was wrong and get that fixed quickly. We havenâ  t got any issue after that."
Serving Lilburn, GA and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Jason Erwin was the best sales advisor I have worked with. He knows alot about AC systems and answered all of my question prior to my purchase.The install crew was very efficient installing a complete AC system. They wasted no time while they were at my home and answered all of my questions. They also made sure that they cleaned up after they were finished."
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 2022
Free estimates
Warranties offered
"Our home AC unit was broken down and needed a replacement ASAP. Trend Mechanics was called and they came the next day to access the problem. The main coils were leaking and they couldn't be fixed. Within a day, Trend Mechanics looked for new Unit, bought it, installed, and filed extended warranty for up to 10 years with the manufacturer. Parts and labors were also guaranteed up to 1 year. We're happy with the price and the services performed at our home. We would use them again next time. Thanks."
+23
Serving Lilburn, GA and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"Jason came out to service my unit - he was very professional, explained the whole process and answered all of my questions. Very fair price. I have a 19 year old HVAC unit and Jason serviced it to the best condition possible and I will definitely be working with Comfort Solutions for when I need a new unit installed."
Serving Lilburn, GA and surrounding areas
Approved (Corporate)
In business since 1959
Free estimates
Credit card accepted
"I wasn t home I couldn t see install AIR unit but they did good job. Air conditioning works good. Sales person didn t contact me. Dispite I left massage and call ARS many times. he s name is Mr Wes. Bad service. I am disappointed"
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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