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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon817
    Verified heating and air conditioning services reviews

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Avatar for Home Mechanix
Home Mechanix
5.0(
61
)
Central A/C - Service or RepairThermostat - Repair or Reprogram

Serving Mars, PA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"They were very responsive and reached out immediately to schedule an appointment that worked for my schedule. Arrived on time and cleaned, serviced, changed filters and showed me how to maintain our system during the year. I will call them again when we need HVAC service or repair."
New Furnace
New condenser unit
Boiler
Boiler
Response time6 hrs
5 neighbors recently requested a quote
Recommended by89%of homeowners
Mullen Heating and Air Conditioning
4.6(
205
)
Central A/C - InstallCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install+47 more

Serving Mars, PA and surrounding areas

Approved

In business since 1988

Emergency services offered

Warranties offered

"My air conditioner stopped producing cold air Saturday evening, but I noticed so late that I had to wait until Sunday to try to get it fixed. I called the company I typically use for my HVAC and was told it would be $230 for them to even come to my house because it was a weekend. I completely understand a weekend being overtime, but I didn?t want to pay the additional fee so I told them I could wait until Monday to have it fixed. A technician was supposed to call me back to schedule a time for them to come on Monday, but they did not end up returning my call on Sunday. While I waited for the other company to call me back, I looked at Angie?s List to see if there were any highly-ranked companies I could use instead. John Mullen Home Repair was one of the companies I had planned to call Monday, but I noticed the hours said they were still open so I called at 6:00 PM on Sunday, fully expecting to schedule them to come Monday. John answered and said that he was on another job that he expected that to wrap up shortly and that he had another stop to make after that, but he thought he could get to my house around 7:00 PM. At this point it was about 85 degrees in my house with all the windows open, so I agreed to have him come out even if it meant an additional weekend charge. Around 6:45 PM I received a call from an employee of John?s saying he would be at my house in about 15 minutes. In talking to John, it seemed like he was going to be the one who came to my house, but I?m assuming he ended up sending someone else because he would have gotten to my house later than his estimated 7:00 PM. Having had to wait many hours for various service people to show up for their appointments, I was very impressed and pleased that they cared so much about meeting the appointment time. He showed up right around 7:00 PM and almost immediately diagnosed the issue as a blown capacitor. My air conditioner is fairly old and has actually blown a capacitor before, but the previous time it broke I used my typical HVAC company who charged me $250 for the capacitor on top of the labor and additional weekend charge (because of course it broke at the beginning of a 4-day holiday weekend where every day was in the 90s). The guy from John Mullen charged us $100 total for the capacitor and the labor. I was very pleased with that as well, so I mentioned that I?m probably going to replace my AC unit sometime in the next year and would be interested in using John Mullen. He said he noticed that the unit was older and that we could probably just run it until it dies, but explained a few of the newer units they have and the pricing for those. He wasn?t pushy at all and didn?t try to sell me on anything immediately, which I appreciated. To summarize, it took John Mullen Home Repair about 1.5 hours from the time I called them to the time they left my house after fixing my air conditioner, all for $100. I am very happy and would definitely recommend using them."
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Response time2 days
Response rate100%
11 neighbors recently requested a quote
Avatar for Air Systems Mechanical Contracting, Inc.
Air Systems Mechanical Contracting, Inc.
4.6(
54
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+21 more

Serving Mars, PA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"The greatest company to have do your furnace. I would diffidently recommend them to other people. The price was very reasonable and the professionalism was without a doubt the best . There were no surprises when it came time for the final payment What ever they quoted that what you paid."
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%
4 neighbors recently requested a quote
Avatar for Bactronix Corp
Bactronix Corp
4.9(
493
)
Air Ducts & Vents - Clean

Serving Mars, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"We hired Bactronix to clean the HVAC ducts in our house. Technicians Masson and Shawn arrived on time, did their work unobstrusively and efficiently, and answered all my questions politely and fully. They sent over before and after pictures of the ductwork by e-mail afterwards. Their work has made a positive difference to the air quality in the house, and we appreciate their services."
Additional Photos
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+19

Response time1 day
7 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for ARS - Pittsburgh
ARS - Pittsburgh
4.5(
196
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+5 more

Serving Mars, PA and surrounding areas

Approved (Corporate)

In business since 1975

Emergency services offered

Warranties offered

"I would highly recommend ARS - Pittsburgh to everyone who is in need of HVAC work!! From the moment I reached out to them to install was 2 business days, and then a couple days for a follow-up visit due to additional work needed which was unforeseen prior to my new boiler installation. Each and every employee (Bob, Chris, Jay and Tomas) were phenomenal. We will definitely be using ARS - Pittsburgh in the future for when we are ready to move forward with our ductless air conditioning needs."
System Installation
261 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for North Pittsburgh Heating & Cooling
North Pittsburgh Heating & Cooling
4.7(
251
)
Central A/C - Service or RepairCentral A/C - InstallGas Furnace / Forced Air Heating System - Install+13 more

Serving Mars, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Emergency services offered

"Impressive! If you want the best value for the highest quality equipment, incredible responsiveness, and impeccable customer focused service , look no further. All of the (5) crew involved in our project were exceptionally professional. The complete residential HVAC replacement job was started within 2 days of reaching agreement and was done perfectly in only 2 days."
New apartment boilers
Apartment water heater installs
Attic A/C system
Boiler Install
Furnace install

+1

Response time6 hrs
9 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Kenders Heating and Air Conditioning LLC
Kenders Heating and Air Conditioning LLC
5.0(
19
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+11 more

Serving Mars, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Emergency services offered

Warranties offered

Kenders Heating & Air Conditioning is a family-owned local business providing installation, repair, and 24/7 emergency services for residential and commercial heating and cooling. Based in Pittsburgh, Pennsylvania, they specialize in air conditioning, furnaces, boilers, and indoor air quality.\n

Indoor unit
Heat pump
Elite Condenser
2- stage furnace
Response time11 hrs
11 neighbors recently requested a quote
Avatar for Aire Serv of Sewickley
Aire Serv of Sewickley
4.8(
22
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+3 more

Serving Mars, PA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

At Aire Serv® of Sewickley, PA, 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.\n\nAire Serv ® is your trusted partner for reliable commercial HVAC services that keep your business operating comfortably and efficiently. From routine maintenance to urgent repairs, our experienced professionals deliver cost-effective solutions tailored to your space and schedule—minimizing downtime so you can stay focused on running your business.\n\n

Gallery
27 neighbors recently requested a quote
Recommended by100%of homeowners
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Heating and Air Conditioning questions, answered by experts

If you know how to identify supply and return ducts, you’ll find that only the supply ducts will have dampers. Although your return ducts can have dampers, it’s not common. If you have one return duct that is pulling in too much air, adding a damper to it can help with overall system performance. However, dampers on return ducts are not a necessary addition for most homes.

High humidity, bad insulation, warmth from sunlight, and poor circulation are all reasons your home’s hotter inside than out. While this is what you want in the colder months, summer can become unbearable if this is a constant. Try to find the cause, but you need to remember that issues like this require a permanent fix (unless you want to bear down during the summer months).

Florida rooms can have heat or air conditioning, although not all do. These rooms can be added to the existing HVAC system or use a mini-split system, or they may just use a ceiling fan or the breeze from the windows for cooling. Florida rooms with air conditioning often have glass windows to keep the cool inside instead of just mesh screens.

You should use a breathable, weather-resistant cover with ventilation. It can be a top cover or a full cover that has mesh to allow airflow. A full, non-breathable cover can cause moisture to build up, leading to rust, frozen parts, and corrosion. A full cover also attracts unwanted critters, such as mice, that can damage the wiring and your unit. If you need to protect your AC unit from falling icicles, choose a sturdy top cover or piece of wood that prevents icicles from damaging your unit.

Yes, a frozen AC unit can affect your indoor air quality since the reduced airflow won't be as effective at removing air pollutants, like dust and other allergens. Additionally, ice around the unit can create excess moisture, leading to mold and mildew that can damage your home if you don’t catch it early.

The Mars, PA homeowners’ guide to heating and air conditioning services

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