Top-rated heating and air conditioning pros.

Best heating and air conditioning pros near Lemont, IL

Enter your zip and get matched with up to 5 pros

Need a pro for your heating and air conditioning service project in Lemont, IL?

Select your specific project to find the pro for you.

TRUSTED BY LEMONT, IL HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.4k+
    Verified heating and air conditioning services reviews

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

Avatar for Porterhouse Heating & Cooling
Porterhouse Heating & Cooling
4.8(
218
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Repair+16 more

Serving Lemont, IL and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Porterhouse Heating and Cooling was very professional and knowledgeable on the service provided. I used them to install my air conditioner unit. Eventhough, the unit was not my issue, they still came out and was able to find the issue and fix it. They were friendly, professional, and reasonably priced. I will definitely use again for any of my HVAC concerns."
Work truck
Certification
Business card
Response time9 hrs
17 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Home Comfort Systems Inc
Home Comfort Systems Inc
4.9(
315
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+47 more

Serving Lemont, IL and surrounding areas

Approved

In business since 1972

Free estimates

Emergency services offered

"Steve and his team are very professional and get the job done in a timely fashion. We had three quotes on a new HVAC system and his was by far the lowest. They were wonderful to deal with and would hire them again without question."
Additional Photos
Response time8 hrs
Response rate100%
10 neighbors recently requested a quote
Long Shun HVAC and Refrigeration Inc.
4.3(
126
)
Gas Boiler or Radiator Heating System - RepairGas Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair - For Business

Serving Lemont, IL and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"He is very patient in fixing my furnace. There were multiple fix he did and now my furnace is working as I wanted it. Other HVAC contractors were unable to fix, but he was able to get the job done."
Response time3 hrs
Response rate95%
1 neighbors recently requested a quote
Avatar for Affordable American Air
Affordable American Air
4.8(
68
)
Electric Furnace / Forced Air Heating System - RepairCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Repair - For Business+3 more

Serving Lemont, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Michael was able to expeditiously call me on a Sunday morning with my HVAC issue. He spent more time than I would expect to discuss my specific issues and various options as to how he could help, including same day / Sunday emergency service. He also helped with a couple of troubleshooting suggestions that ended up saving me some costs - we had the system back up and running the same day!! Thank you M!!!"
Ecobee installed
Ecobee installed
Ecobee 4 display pictures
Ecobee with voice control
Unit heater with sub panel

+21

Response time3 hrs
3 neighbors recently requested a quote
Recommended by95%of homeowners
...
Showing 1-10 of 706
Heating and Air Conditioning FAQs, answered by experts

If you don't clean your AC evaporator coils, dirt and debris will build up, which impairs the system's ability to transfer heat. This forces the unit to work harder, leading to inefficient performance, higher energy bills, and frequent breakdowns. Over time, neglected coils can corrode, which may cause refrigerant leaks, or develop mold, ice buildup, and a clogged condensate drain, resulting in poor air quality and an uncomfortable home.

Signs of a damaged evaporator coil include warm air from vents, frequent starts and stops without proper cooling, failure to turn on, refrigerant leaks, and unusual noises. If you suspect issues with your AC system or its components, it’s best to call an AC repair technician for proper diagnosis and repairs.

To keep your air conditioner in good working condition, you should have it serviced by a professional at least once per year, ideally in the spring before the cooling season begins. If your AC unit is 10 years or older, consider servicing it twice a year (once in the spring and once in the fall) to catch potential problems early and help it reach its full lifespan. During a service visit, a technician will inspect, clean, and replace parts as needed. Regular maintenance helps avoid costly repairs. As a DIY task, you can also clean the evaporator coils annually.

Absolutely! You can seriously improve the overall value of your home by maintaining high-quality, compatible systems for heating and cooling. Potential buyers will love not having to worry about getting a new HVAC unit for 15 to 20 years and will pay more for it. For maximum efficiency and cost savings, replacing the furnace and air conditioner at the same time, when possible, gives you (and potential future buyers) reliable comfort and modern convenience.

While personal preferences widely vary, sleep experts say the best temperature for sleeping is between 60 and 67 degrees Fahrenheit rather than 78. If you do choose to sleep with your AC unit tuned to 78 degrees, you might want to use only a sheet or light blanket rather than a comforter. You might also consider installing a window unit in your bedroom so that you can be cooler in bed without wasting energy cooling the whole house.

The Lemont, IL 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.