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Find Central a/c service or repairers in Carnegie

Mullen Heating and Air Conditioning
4.6(
205
)

Serving Carnegie, PA and surrounding areas

Approved

In business since 1988

Emergency services offered

Warranties offered

"I called in the morning and got response immediately. Showed up on time and gave me a detailed diagnosis. Came back in the afternoon with ordered parts. Repair was done in an hour and quality was great. He also provides many helpful suggestions."
Additional Photos
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Response time2 days
9 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Brickhaas Plumbing HVAC Services, LLC
Brickhaas Plumbing HVAC Services, LLC
4.7(
174
)

Serving Carnegie, PA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Brickhaas Plumbing was extremely helpful and put up with a lot of questions throughout the process of running a new gas service line for my new house. The owner was very patient with me even when paperwork needed resubmitted to the gas company due to mishandling on their end. I would absolutely recommend Brickhaas to friends and family."
roof vent drain snaking
sunday emergency water heater change out
laundry tub faucet swapout
sewer line repacement
laundry faucet replacement

+14

Response time5 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Sullivan Super Service Plumbing Heating & Cooling
Sullivan Super Service Plumbing Heating & Cooling
4.2(
1,236
)

Serving Carnegie, PA and surrounding areas

Approved (Corporate)

In business since 1964

Emergency services offered

Warranties offered

"Great job- Happuy with service- will use again if needed"
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+2

3 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Wade Heating & Cooling Inc
Wade Heating & Cooling Inc
4.6(
152
)

Serving Carnegie, PA and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

"This is about the sixth year we have used Wade Heating for our furnace and A/C work. We found Wade Heating to be very honest and reliable. We always buy their annual furnace and A/C agreement to avoid mid-season surprises. Wade's technicians have always been courteous and informative. The last two times we got a Tech named Dylen. The first time Dylen came was by coincidence as Wade Heating assigned him the job. However, Dylen was so exceptional we asked for him by name this time. As alwyas he was courteous, informative and very personable. When he is done with the service call we always feel satisfied that everything was done correctly. Hopefully Dylen will be available next spring when the A/C needs done."
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Response time3 days
Response rate100%
11 neighbors recently requested a quote
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Avatar for Calfo Home Services
Calfo Home Services
4.4(
232
)

Serving Carnegie, PA and surrounding areas

Approved (Corporate)

In business since 2008

Emergency services offered

Warranties offered

"Two projects were completed by 2 different repairmen and both did an excellent job. Gas furnace repaired and kitchen faucet replaced with necessary plumbing equipment. Workmen were on time both days, professional, courteous, respectful and answered and explained all questions I asked. I will use company services again"
Red Carpet Service
Customer Interaction
Training
Office Staff
Dirty Filters

+4

Response time8 hrs
14 neighbors recently requested a quote
Recommended by84%of homeowners
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Avatar for 412 Emergency Electricians
412 Emergency Electricians
4.2(
46
)

Serving Carnegie, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Emergency services offered

Warranties offered

"Customer service is excellent. Job was begun the following day and finished the next. Our follow up conversations have been helpful BB as this was a stressful time following a major storm"
Same Day Emg Panels
Electric Repairs
Storm Damage
Repairs
Repairs

+35

Response time4 hrs
Response rate100%
9 neighbors recently requested a quote
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Avatar for McVay Plumbing Co
McVay Plumbing Co
4.4(
132
)

Serving Carnegie, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1978

Free estimates

Emergency services offered

"Kelsey Musgrove and Chris we're prompt, professional, very thorough and friendly. They went above and beyond to make absolutely sure that all of the repairs that were needed were completed. I would definitely hire them again. Thank you McVay."
Sewer Lining
Sharing the Video with the customer
Response time10 hrs
33 neighbors recently requested a quote
Recommended by66%of homeowners
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FAQs for central a/c service or repair projects in Carnegie, PA

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Carnegie, PA homeowners’ guide to central a/c service or repairs

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

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