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Top-Rated Air conditioning pros in Niles - Updated Nov 2026

Avatar for All Temp Heating & Air Conditioning
All Temp Heating & Air Conditioning
4.5(
2,818
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Niles, IL and surrounding areas

Approved (Corporate)

In business since 1938

Free estimates

Emergency services offered

"The technician came out yesterday, June 5th and did a diagnosis on my air conditioner as there was a significant cooling disparity between the upstairs and downstairs of our two story townhome. I was expecting to possibly replace the A/C as it is getting older. However, the technician stated the AC is in good working condition and that there was a slight leakage factoring into the cooling discrepancy. That was a much less expensive repair or fix vs. replacing the whole equipment. I appreciated his honesty, time spent communicating the issue with me and professionalism. I would definitely use All Temp Heating and Air Conditioning again and recommend them to anyone dealing with air conditioning issues."
Additional Photos
Additional Photos
Additional Photos
.
100% Customer Satisfaction

+6

Response time10 hrs
53 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Besco Air Inc
Besco Air Inc
4.7(
833
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Niles, IL and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Home AC went out when it was 90 degrees outside. BESCO Air came out the next day and Voila! Problem found and fixed. I've used these guys for years for both heating and AC. When other companies don't have the resources to respond promptly, BESCO comes through for me. With them, loyalty still matters."
Additional Photos
14 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Simply Comfortable Heating and Cooling
Simply Comfortable Heating and Cooling
4.9(
13
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Niles, IL and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

Serving the NW suburbs of Chicago, Simply Comfortable Heating and Cooling is a locally owned business with a strong commitment to providing superior heating and air services. Our services range from heating and cooling installations, maintenance, and repairs, to indoor air quality solutions. We understand that emergencies can occur at any time, hence, we offer same-day emergency services and after-hour emergency calls. We also provide free installation estimates and diagnostic service calls.

Furnace with humdifier and dehumidifier
Furnace with humdifier and dehumidifier
Furnace with humdifier and dehumidifier
Additional Photos
Additional Photos

+2

Response time1 day
Response rate100%
22 neighbors recently requested a quote
Avatar for Phoenix HVAC, LLC
Phoenix HVAC, LLC
4.8(
64
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+1 more

Serving Niles, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Friendly reliable owners and staff. Work was completed when scheduled and professionally. New AC was installed with furnace. Since it was cold out, I was assured They will check outside condenser unit in the spring. Comforting to work with a good company."
Staging and Wrapping Ductwork
Staging and Wrapping Duct Work
Installation
OUR WORK
OUR WORK

+21

Response time9 hrs
Response rate92%
3 neighbors recently requested a quote
Avatar for United Heating and Air Conditioning, Inc.
United Heating and Air Conditioning, Inc.
4.4(
225
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Niles, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"Francisco of United Heating and Air Conditioning is the greatest, and I will hire him again happily and hope to have him service my system yearly going forward. He came today as promised and found that my thermostat only needed batteries, but my system was otherwise fine. He is very good and extremely honest and informative."
INSTALLATIONS
INSTALLATIONS
INSTALLATIONS
INSTALLATIONS
INSTALLATIONS

+25

Response time7 hrs
Response rate96%
3 neighbors recently requested a quote
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Air Conditioning FAQs, answered by experts

A window AC unit is not completely silent. You’ll hear the sound of air blowing, and if you put your ear right up next to the unit, you may hear a slight hiss or gurgle as the refrigerant flows through the system. That said, if your system is making a running water sound, a loud banging sound, a grinding sound, or physically vibrating, you may be facing an issue or malfunction with your AC unit.

Winterizing can still help you save money on energy costs and help prepare your AC for its work next year when you turn it back on. We suggest planning for at least some maintenance, even if winters are mild in your area.

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options. It can also let you see if one contractor’s prices are much higher or lower than the others and give you a chance to ask for clarification. That way, you can weed out any contractors who aren’t providing quality services or materials and find the company that best meets your budget, quality requirements, and long-term goals.

Vents may blow air even though the air conditioning system is off because of the pressure difference between indoor and outdoor air or drafts from leaky ducts. Check for leaks or drafts in the ductwork or around windows and doors.

NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in different types of HVAC systems, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings.

The Niles, IL homeowners’ guide to air conditioning services

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