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Avatar for Air Systems Mechanical Contracting, Inc.
Air Systems Mechanical Contracting, Inc.
4.6(
54
)

Serving Monaca, PA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Twas the eve before Thanksgiving and all through the house all was quiet except for a (mouse) actually it was a circulator pump on the boiler that ran continuously for an hour! Called the number at the shop and by 3 AM John appeared in my driveway in his van with tools in hand and a smile on his face. By 4 AM he was on his way to help other folks, what more can I say! Thanks Air Systems."
Williamson Upflow Oil Furnace
18 SEER American Standard A/C
American Standard TAM4 Air Handler
Rheem Tankless Water Heater
Williamson Condensing Boiler Installation

+12

Response time11 hrs
Response rate86%
5 neighbors recently requested a quote
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Avatar for Wade Heating & Cooling Inc
Wade Heating & Cooling Inc
4.6(
152
)

Serving Monaca, PA and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

"Had wade install a Mitsubishi Mini Split with 4 ceiling units on the 2nd floor to assist with heating and cooling issues. The whole process was easy from beginning to end with very clear and quick communication. Also had them repair an existing system at the same time that was quick, hassle free and got me fixed up properly. I want to especially thank Lonnie, Mr Wade and the Installers for their expertise and professionalism along the way. I am extremely satisfied with the Mitsubishi units that were installed and would highly recommend their services!!!"
Additional Photos
Additional Photos
Additional Photos
Response time3 days
Response rate100%
14 neighbors recently requested a quote
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Avatar for Calfo Home Services
Calfo Home Services
4.3(
235
)

Serving Monaca, 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."
Red Carpet Service
Customer Interaction
Training
Office Staff
Dirty Filters

+4

Response time8 hrs
27 neighbors recently requested a quote
Recommended by83%of homeowners
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Avatar for MRT Contracting LLC
MRT Contracting LLC
5.0(
9
)

Serving Monaca, 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"
Furnace Replacement
AC Replacement
AC Replacement
AC Replacement
AC Replacement

+9

Response time1 day
Response rate94%
6 neighbors recently requested a quote
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Avatar for Cleaner Than Clean
Cleaner Than Clean
4.9(
57
)

Serving Monaca, 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!"
Response time10 hrs
2 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Alex’s handyman services
Alex’s handyman services
New to Angi

Serving Monaca, 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!

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FAQs for air conditioning projects in Monaca, PA

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.

The Monaca, PA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

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