Serving Canonsburg, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Emergency services offered
Warranties offered
"Job was done right, installers were very prompt and professional."
Serving Canonsburg, PA and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Professional, reliable and just all around great company. Installed a full duct system, furnace and AC at an investment property of mine this year. Their quality of work speaks for itself. I would recommend L.Cipriani Heating and Cooling to anyone looking for quality work at a very reasonable price."
Serving Canonsburg, PA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Highly recommend Custom Air Pros! During a heat wave, the AC on my taco truck stopped blowing cold air, and I needed help fast. They were able to come out first thing, found that my refrigerant was low, located and repaired the leak, and added R-410A refrigerant. Before I knew it, my AC was back up and running and blowing ice-cold air again. They were quick, professional, knowledgeable, and really came through when I needed them most. I?ll definitely be using Custom Air Pros again!"
+6
Serving Canonsburg, PA and surrounding areas
Approved
In business since 1980
Free estimates
Emergency services offered
"Over and above satisfaction!! Nick is an a very courteous and professional HVAC specialist! He called said he serve in 1 hr and he did. He introduced himself made feel I was in good hands!! I let him do his job without concern. In less than an hr he had photos of the issues with my furnace gave me a full explanation as to what was happening assured me there was no danger with the issues. Gave me a breakdown of the cost, ordered the parts and will return as soon as they are received. I’ve made a wise decision by going with Whal!! Thanks Nick!!"
+2
Serving Canonsburg, 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 Canonsburg, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1990
Free estimates
Credit card accepted
"Jake did a great job fixing a plumbing issue that has been on-going since the day we moved in to our house. Jake was very polite and professional answered all the question had to ask him."
+1
Serving Canonsburg, PA and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
"Tom did a fantastic job with pressure washing our large vinyl fence (285 linear feet) on both sides and the mildew on the north side of our house. He was a super nice guy, got here on time and did a thorough cleaning for a reasonable price. Our fence and house looks great! We would highly recommend!"
Serving Canonsburg, PA and surrounding areas
Approved
In business since 2004
Warranties offered
Credit card accepted
"Ace Handyman installed a window a/c unit for me. Job was done efficiently and effectively. They were very professional and I would hire them again for other projects."
+52
Serving Canonsburg, 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 Canonsburg, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"TrokStar construction did excellent work in advising me on some structural issues with our water heater and gas lines after we bought our house. Their advice was insightful and easy to understand. Very good work!"
+150
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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