Serving Charleroi, PA and surrounding areas
Approved (Corporate)
In business since 2008
Emergency services offered
Warranties offered
"Adam was professional, smart, and masterful at diagnosing our air conditioning issues. He took his time to make sure he got it right."
+4
Serving Charleroi, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1987
Emergency services offered
Warranties offered
"Tom was very accommodating to our problem with air conditioner. He repaired and cleaned the unit and explained everything he was doing and why. It was a pleasure dealing with your company and Tom Thank You Janice Sanders"
+35
Serving Charleroi, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2015
Free estimates
Emergency services offered
"I COULDN'T AFFORD TO BUY A NEW FURNACE. I'AM A DISABILED VETERAN. LIVING ON A FIXED INCOME. MY FURNACE WENT OUT . I GOT ON LINE TO GET SOME ESTIMITS. THE CHEAPEST I COULD FIND WAS 6000.00JOHN TO OWNER OF MRT HVAC CONTRATORS.CALLED ME.I TOLD HIM MY PROBLEM. IT'S ABOUT TO GET COLD AND WE HAVE NO HEAT.JOHN SAID DON'T WORRIE I WILL HELP YOU OUT .JOHN GOT WITH DON [Provider Name Removed] A FREIND OF HIS. AND THEY DONATED US A BRAND NEW FURANCE OUT THE BOX.TO ME AND MY WIFE.PLUS INSTALLED IT FOR FREE.THERE ARE SOME GOOD PEOPLE IN THE WORLD AND JOHN LUGAILA& DON [Provider Name Removed] ARE THOSE GOOD HEARTED PEOPLE. GOD BLESS THEM. AND ME THE WIFE AND DOG THANK THEM WITH ALL OF OUR HEARTS"
+9
Serving Charleroi, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Credit card accepted
"Fast and thorough diagnostic. Got the part and replaced all in the same day. Reasonable price."
Serving Charleroi, PA and surrounding areas
Approved
In business since 2024
Free estimates
Offers commercial services
"I had a problem with my central air conditioning unit, I call Matt, explained the issue, and he took care of the rest! And quickly to boot. Great service great price"
Serving Charleroi, PA and surrounding areas
Approved
In business since 2004
Warranties offered
Credit card accepted
"I've used the service 4 times. The quality of work was great and they're nice people."
+52
Serving Charleroi, PA and surrounding areas
Approved
In business since 2022
Free estimates
Small jobs welcome
"Our air conditioning unit stopped cooling. It was a very hot day and we were not on the schedule but Bradley went the extra mile to help us out to get our air conditioning up and running again. Royal Plumbing , Heating and Cooling LLC has amazing customer service. Bradley is thorough in his work , respectful to your home, cleans up after the job is complete, reasonably priced and friendly. I highly recommend his service if you are ever in need with heating, cooling etc."
Serving Charleroi, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Credit card accepted
Customers say: True professional
"Very nice, and very efficient. Shows up on time. Very transparent and will work around your schedule."
Serving Charleroi, PA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
At Aire Serv® of South Hills Pittsburgh, heating and air conditioning services are our specialty. Our friendly and knowledgeable service professionals are happy to answer any questions you may have and recommend the best service options for you. From tune-ups and maintenance to heater repair and air conditioning replacement, we provide services that keep the air you breathe clean and and keep your home or business at the perfect temperature.
Serving Charleroi, PA and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
I have 8+ years experience in the heating and air conditioning field. I’m very mechanically inclined, therefore I’m quite useful to do just about anything. I’ve done everything from general around the house stuff to full scale renovation work. I would be my pleasure to do any work for you!
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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