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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon54
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Monongahela - Updated Nov 2026

Avatar for Hammer Heating & Air Conditioning
Hammer Heating & Air Conditioning
5.0(
28
)
Central A/C - InstallHeat Pump - Install or ReplaceOil Furnace / Forced Air Heating System - Repair+34 more

Serving Monongahela, PA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Hammer HVAC was truly concerned about our heating issue. They arrived the same day as I contacted Angi Home Advisor. Hammer HVAC diagnosed the issue and returned the next day with parts to complete the repair. Excellent customer service & extremely knowledgeable."
Response time5 hrs
3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Bactronix Corp
Bactronix Corp
4.9(
516
)
Air Ducts & Vents - Clean

Serving Monongahela, 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."
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+19

Response time1 day
7 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Kenders Heating and Air Conditioning LLC
Kenders Heating and Air Conditioning LLC
5.0(
21
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+11 more

Serving Monongahela, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Emergency services offered

Warranties offered

"Highly recommend Kenders HVAC! Both our furnace and air conditioner broke down at the same time, which was a huge stress, but the team at Kenders handled everything flawlessly. They showed up right on time, gave us a very reasonably priced quote, and managed the entire process from beginning to end in less than a week. Their team was professional, efficient, and left everything spotless. If you want honest, high-quality, and fast service, look no further than Kenders!""
Indoor unit
Heat pump
Elite Condenser
2- stage furnace
Response time11 hrs
7 neighbors recently requested a quote
Avatar for Ace Handyman Services South Pittsburgh
Ace Handyman Services South Pittsburgh
4.5(
357
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Monongahela, PA and surrounding areas

Approved

In business since 2004

Warranties offered

Credit card accepted

"

They are very good. If you have a problem, they will address that problem. they give you good service. If they don't they will come back and satisfy whatever is needed to be taken care of. They do good quality work. The price was okay.

"
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+52

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for Low Cost Heating & Air
Low Cost Heating & Air
5.0(
2
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - Repair

Serving Monongahela, PA and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Our air conditioner broke on labor day week-end. Called contractor late Sunday afternoon and got his answering service.  Contractor called back within the hour and set an appointment for the following morning.  Contractor called 1/2 hour before showing up on Labor Day.  He quickly diagnosed the problem and replaced the capacitor.  This capacitor has gone bad in the past and other contractors have charged $175 - $200 to replace this part during normal working  hours. I was charged the $40 advertised service call price and $75 for the repair part. In addition to repairing the unit he cleaned it. Very professional and courteous, I would highly recommend using this company. 
Most of my dealings with HVAC contractors over the past 30 years have been mostly less than pleasant, this was quite a surprise to find an honest, hard working contractor."
Brentwood Boiler
Boiler Install
Unit Heater
AC Install
Mini Split

+28

Recommended by100%of homeowners
Mr. Universal
4.7(
13
)
Central A/C - Service or RepairThermostat - Repair or ReprogramGas Furnace / Forced Air Heating System - Repair - For Business

Serving Monongahela, PA and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"Along with installing new bedroom and closet doors, the contractor also installed vinyl plank flooring in our living room, dining room, and bedrooms. He also hung our dining room chandelier, and installed moon lights above our fireplace. His attention to detail in his work was impeccable and he completes the job in a timely manner. I would recommend his services to anyone looking to have work done on their home."
104 neighbors recently requested a quote
Avatar for H&S Projects, LLC
H&S Projects, LLC
5.0(
11
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Monongahela, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Credit card accepted

Customers say: True professional

"H&S Projects was a pleasure to work with. When we called, we spoke to Jeremiah. Jeremiah was very knowledgeable about the project we needed and was able to give us a quote in a day. His communication and work was top notch!!! I would highly recommend H&S Projects for any work you need done. We look forward to using H&S Projects for future projects."
3 neighbors recently requested a quote
Recommended by36%of homeowners
Avatar for WaterBrothers LLC
WaterBrothers LLC
4.8(
17
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair

Serving Monongahela, PA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Our air conditioning went so we called around for estimates. These guys quickly called me back. You couldn’t find a more professional and polite team of individuals. Their service was prompt and their prices were very fair. Newer company but don’t let that sway you away. I would highly recommend these guys."
5 neighbors recently requested a quote
Recommended by71%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

Yes, adding central air can increase your home value by as much as 10%. Generally speaking, prospective buyers prefer a central AC system over a ductless system or room-by-room AC units. That’s because central air conditioning blends into the home easier than individual room air conditioners and typically has less equipment to maintain.

It depends on the specifics of your warranty. The motor is likely not covered if you’re working with a limited warranty. The same goes for other components like the compressor and evaporator coil. Some extended warranties will cover the blower and fan motor, so read the fine print before signing up. Additionally, the manufacturer may offer a warranty for the parts, including the motor, though there’s likely to be a strict time limit for this coverage.

Don’t run your AC with a wet filter. It can cause your AC to work too hard, which will run up your utility bill and cause extra wear and tear on the system. You could also spread moisture and mold throughout your house. Turn off the AC, remove the wet filter, and check for cracks or clogs. Fix the problem (with a pro’s help, if you need it), and put a dry filter in place before you turn the system back on.

If left untreated, a frozen AC unit can lead to costly damage, especially to the compressor and evaporator coils. When ice forms on the evaporator coils, they become brittle and more susceptible to breaking. Plus, a freeze makes your AC system much less efficient, which means it's wasting energy and costing you more in your monthly energy bills.

The Monongahela, 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.