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Verified Reviews for Air Conditioning pros in Deerfield, IL

*The Angi rating for Air Conditioning companies in Deerfield, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

*The HomeAdvisor rating for Air Conditioning companies in Deerfield, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

Last update on September 29, 2026

Top-Rated Air conditioning pros in Deerfield - 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 Deerfield, 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
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100% Customer Satisfaction

+6

Response time10 hrs
53 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Mr Duct Chicagoland
Mr Duct Chicagoland
4.8(
863
)
Central A/C - InstallAir Ducts & Vents - CleanCentral A/C - Service or Repair

Serving Deerfield, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"I have used Mr Duct for air ducts and vent cleaning for several years.They consistently provide great service at a reasonable price."
Residential Air Duct Cleaning
Mr. Duct trucks parked outside of a commercial air duct cleaning job site in Chicago.
A dryer vent before being cleaned by Mr. Duct.
A Mr. Duct technician cleaning a dryer vent at a pet salon
A Mr. Duct technician cleaning a furnace

+81

Response time1 day
23 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for G & R Heating & Air
G & R Heating & Air
4.6(
139
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Deerfield, IL and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Knowledgeable and professional air conditioning service"
Additional Photos
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Additional Photos
Additional Photos
Additional Photos

+20

Response time11 hrs
Response rate100%
148 neighbors recently requested a quote
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Avatar for CR Mechanical Services, LLC
CR Mechanical Services, LLC
4.7(
53
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Deerfield, IL and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Rick was very helpful with selecting my new central air and furnace system. I am still thrilled with the result."
Office furnace
Furnace for office
Office ac coil with damper
Shah furnace
Shah furnace

+8

Response time6 hrs
1 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,299
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+3 more

Serving Deerfield, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"The tech checked air conditioning unit and discovered it was accidentally turned off"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
44 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Cahill Heating, Cooling, Electric, Plumbing & Sewer
Cahill Heating, Cooling, Electric, Plumbing & Sewer
4.8(
33
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Deerfield, IL and surrounding areas

Approved

In business since 1973

Free estimates

Emergency services offered

"Outstanding service!! Cahill has been our heating and air conditions company for over 25 years. Installed two systems over this time. High quality work."
Furnace Installations
Heat Pump Installations
Furnace Installations
Additional Photos
Additional Photos

+7

Response time8 hrs
12 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Mr. Duct, Inc.
Mr. Duct, Inc.
4.6(
1,260
)
Air Ducts & Vents - Clean

Serving Deerfield, IL and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"I was able to get this scheduled for the same day, all my ducts cleaned and now I'm ready for the cooler months. Very happy with this service."
Super Service Award 2020
Super Service Award 2019
Super Service Award 2018
Super Service Award 2017
Super Service Award 2016

+42

Response time7 hrs
Response rate97%
2 neighbors recently requested a quote
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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 Deerfield, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I had the most positive experience working with Bob and Anthony on a full Furnace/AC installation. Both systems were approaching 15 yrs old needing repairs that would not have made sense to continue putting money into. Bob came onsite for a free consultation and very clearly communicated detail on my options, even making recommendations for further cost-saving improvements. They fit me in right away and worked diligently with the installation. I couldn't be happier with the end result...should have called these guys months ago!"
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
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Avatar for G & R Heating and Air, LLC
G & R Heating and Air, LLC
4.6(
1,164
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Deerfield, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Dwayne was prompt, efficient, knowledgeable and courteous. He explained what he needed to do to fix my ac and and quoted me the cost. I would definitely recommend G&R Heating and Air and Dwayne to my family and friends!"
New 16 seer A/C
Old A/C
Old furnace
New Furnace
Water heater Installation

+1

Response time2 hrs
Response rate91%
203 neighbors recently requested a quote
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Showing 1-10 of 465
Air Conditioning FAQs, answered by experts

You can air condition your Arizona room by extending your home’s existing HVAC system or adding a ductless mini-split system. Arizona rooms that have full windows rather than screens only are a better choice for air conditioning—screens will let the cold air out as fast as the air conditioner can make it. 

Here’s the cost formula to find out how much it’ll cost you to run a window air conditioner in your home:  Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit. If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.

If both your furnace and AC unit are more than a decade old, it may be a good idea to replace both of them. However, your furnace can last up to three decades, and your air conditioner can typically last up to 15 years, so consulting with a pro before deciding to replace both of them is best. If it’s before that time limit for each, you can fix many problems with repairs or just replace one.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

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.

The Deerfield, IL homeowners’ guide to air conditioning services

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

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