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  • Verified reviews icon99
    Verified heating and air conditioning services reviews

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

Avatar for Bactronix Corp
Bactronix Corp
4.9(
510
)
Air Ducts & Vents - Clean

Serving Monessen, 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 by79%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 Monessen, 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 Low Cost Heating & Air
Low Cost Heating & Air
5.0(
2
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - Repair

Serving Monessen, PA and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"My parents had used Low Cost Heating and Air Conditioning to have their Central AC replaced last year and when I was ready to replace my 14 year old system that was leaking refrigerant, these guys were my first call. My parents had recommended them to several others who they had done work for and they did not disappoint. Dawn called me back later the day I called apologizing for not calling earlier as they were in a seminar. They set up to come out the next day calling a couple times to let me know they were running late and that they were on their way. Keith pretty much laid out the price and explained everything really well and talked me out of a higher priced system because I didn't need anything fancy and completely trusted him. I made the decision a couple days later to go ahead and they were able to get me in a few days later as they wanted to do it before they started getting really busy with spring maintenance which was fine. The day came and they were a tiny bit late and they called a few minutes before arriving and got right to work. I showed them around and let them get to work. After a few hours, they were all finished up and Keith showed me all that was done and answered a couple of questions. They will charge you 40 dollars for clean and checks and 40 for service calls no matter what time of day and won't charge you anything you don't need. They will be my go to place when it comes to all things heating and air conditioning I had a new 3 Ton Heil 13 SEER Air Conditioning System installed. It included the condensor and coil, they also put in a new disconnect box outside and flushed the existing line set and also put in a new programmable thermostat"
Brentwood Boiler
Boiler Install
Unit Heater
AC Install
Mini Split

+28

Recommended by100%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

There are several AC unit problems to troubleshoot, but luckily you can identify them by keeping a close eye on your system. Look out for the following signs that your AC needs repair:

  • Unusual noises during operation

  • AC unit blows warm air

  • AC unit doesn’t come on or turn off with temperature changes

  • Strange odors come through the vents

  • AC unit cycles on and off rapidly

  • Indoor air is more humid or less comfortable than usual

  • AC unit keeps tripping your breaker

  • Fan in the outdoor compressor doesn’t operate when the AC is on

Yes. Return air vents are responsible for gathering and pulling in the warmer air. Once they draw it in, your system conditions the air by removing the warmer molecules from it, allowing your air conditioner to dispense the cooler air back into your home. Not only does this create a more comfortable environment for you, but it also keeps your air conditioner from overworking, resulting in lower energy bills. 

Troubleshooting common issues with your AC often sheds light on a problem with the compressor. Signs that you need to replace a bad compressor include your AC blowing warm air, short cycling (turning on and off), making strange noises, and blowing less air overall. Since these problems can stem from several areas of your AC, always call a local AC repair team to confirm it's the compressor.

One of the fastest ways to unfreeze an AC unit is to turn off the unit and, if it’s warm outside, use the fan-only mode to help blow warmer air through the unit to speed up the defrosting process. While it may be tempting to use a hair dryer to defrost the air conditioner, that high heat can damage the coils.

After defrosting, if you can safely solve the issue with a fix like changing the filter, go ahead and do so. Otherwise, call in a pro before turning your AC back on.

Yes, you can build a deck over your outdoor HVAC unit, but you need to leave at least 5 feet of vertical clearance above the unit. If you don’t want your deck to be that high off the ground, you could build a floating deck in another part of your yard—again, as long as you leave at least 4 feet of horizontal space between the deck and your AC unit.

The Monessen, 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.