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Top-Rated Central a/c installers in Cortland - Updated Nov 2026

Avatar for G & R Heating & Air
G & R Heating & Air
4.6(
139
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"I recently hired them for central A/C installation and furnace replacement, and the experience was excellent. The team was professional, arrived on time, and completed the work efficiently. Everything is running perfectly now, and my home feels much more comfortable."
Additional Photos
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+20

Response time11 hrs
Response rate100%
147 neighbors recently requested a quote
Avatar for Regional Plumbing Heating & Air
Regional Plumbing Heating & Air
5.0(
15
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

We are family owned and operated. We service all brands, makes and models. From furnace and water heater repair and replacements, all the way to a leaking kitchen faucet or bathroom toilet. One call REALLY does it all. Faucets, toilets, sinks, drain rodding, water heaters, boilers, furnaces, air conditioners and humidifiers. New construction to radiant heat. You know you called the pros the first time. Licensed, bonded and insured, we offer easy approval and affordable financing as well!

16 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Rest Assured HVAC, LLC
Rest Assured HVAC, LLC
4.9(
16
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Rest Assured HVAC is open Monday - Friday 8am-5pm (regardless of hours listed on Angi/HomeAdvisor). \n \nWe are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. 24/7 Emergency Service available. \n \nRest Assured HVAC\nElgin, IL 60124\n(847) 224-2420\nhttps://RestAssuredHVAC.com

Amana Gas Furnace
Amana Heat Pump
Response time5 hrs
1 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Improved Comfort Heating & Air Conditioning
Improved Comfort Heating & Air Conditioning
5.0(
9
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"I had an excellent experience with this HVAC company! They installed 3 central A/C units in my building, and everything was done professionally and efficiently. Special thanks to Angel and Martin for their great work, professionalism, and attention to detail. Highly recommend!"
Boiler Replacement
Response time9 hrs
Response rate87%
24 neighbors recently requested a quote
Avatar for Delta Heating & Air
Delta Heating & Air
4.3(
3
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

Committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Hillside furnace repair
Hillside furnace repair
North South Heating and Cooling
New to Angi
Central A/C - Install

Serving Cortland, IL and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!\n

5 neighbors recently requested a quote
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Jim Farrell and North Alabama Technical Services rebuilt my computer and provided me with everything I expected and so much more.  He provided the various options in equipment, including specs and pricing, answered all our questions and helped us make the best decision for our purchases.  The computer was completed in a few days, far less than expected, the installation included clear directions for use.  The package also included a good warranty for the equipment.  I was extremely pleased with his service and would not hesitate to recommend his company to anyone with computer service needs."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for All Star Installations Inc
All Star Installations Inc
4.4(
58
)
Central A/C - Install

Serving Cortland, IL and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"All Star Installations Inc was professional in every way. We had our roof replaced and our chimney cap repaired. They did both jobs with skill and precision. They were thorough, hardworking, and an immense pleasure to work with. They did a tremendous job from start to finish and the clean up was impeccable. We couldn’t have asked for a better experience. The new roof and chimney cap on our home looks amazing! I highly recommend All Star Installations Inc. Ryan and Chris are top notch!!"
Recommended by93%of homeowners
Showing 1-10 of 49

The Cortland, IL homeowners’ guide to central a/c installations

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