93/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 3,150 Google reviews, open 24/7.
- 4.9★ from 3,150 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 550 Anthony Trail, Northbrook, IL 60062
Best HVAC Contractors in Deerfield, IL (2026)
1,287 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Deerfield: AA Service Co., CR Score 93/100; 4.9★ from 3,150 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): ABC Plumbing, Sewer, Heating, Cooling & Electric, posts 24/7 hours; ranked #2 of 1,287.
- 2
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,287 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,287 Deerfield HVAC contractors are ranked here by CR Score, from 8 published factors. 531 are open 24/7, 983 open Saturdays and 794 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,287 rated businesses.
Top 10 HVAC contractors in Deerfield at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AA Service Co. | 93 | 4.9★ (3,150) | Northbrook, 2 mi away | 24/7 | Overall |
| 2 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 93 | 4.7★ (22,524) | Arlington Heights, 8 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Azrikam The Price Is Right Heating & Air Conditioning HVAC | 92 | 5.0★ (697) | Northbrook, 3 mi away | 24/7 | — |
| 4 | SPG Plumbing Northbrook | 91 | 4.9★ (861) | Northbrook, 2 mi away | 24/7 | — |
| 5 | Astera Heating, Cooling and Appliance repair | 91 | 4.9★ (1,120) | Prospect Heights, 5 mi away | 24/7 | — |
| 6 | Cahill Heating, Cooling, Electric, Plumbing & Sewer | 91 | 5.0★ (1,064) | Lake Bluff, 8 mi away | 24/7 | — |
| 7 | Carefree Comfort, Inc. | 91 | 5.0★ (288) | Highland Park, 1 mi away | 24/7 | — |
| 8 | American Weathermakers Inc | 91 | 4.8★ (872) | Northbrook, 2 mi away | 24/7 | — |
| 9 | FloRyte Services | 91 | 5.0★ (340) | Fox Lake, 3 mi away | 24/7 | — |
| 10 | Comfort Air Control | 91 | 5.0★ (278) | Northbrook, 2 mi away | 24/7 | — |
The 1,287 best HVAC contractors in Deerfield, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Arlington Heights, 8 mi away
93/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most Google reviews on this list (22,524).
- 4.7★ from 22,524 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 220 W Campus Dr, Arlington Heights, IL 60004
Based in Northbrook, 3 mi away
92/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 697 Google reviews, open 24/7.
- 5.0★ from 697 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1363 Shermer Rd Ste 214, Northbrook, IL 60062
Based in Northbrook, 2 mi away
91/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 861 Google reviews, open 24/7.
- 4.9★ from 861 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 675 Academy Dr, Northbrook, IL 60062
Based in Prospect Heights, 5 mi away
91/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 1,120 Google reviews, open 24/7.
- 4.9★ from 1,120 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 944 E Old Willow Rd, Prospect Heights, IL 60070
Based in Lake Bluff, 8 mi away
91/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 1,064 Google reviews, open 24/7.
- 5.0★ from 1,064 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28983 N Herky Dr, Lake Bluff, IL 60044
Based in Highland Park, 1 mi away
91/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 288 Google reviews, open 24/7.
- 5.0★ from 288 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1630 Old Deerfield Rd Ste 201, Highland Park, IL 60035
Based in Northbrook, 2 mi away
91/100CR ScoreRanked #8 because of its Google rating and availability: 4.8★ from 872 Google reviews, open 24/7.
- 4.8★ from 872 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 341 Anthony Trail, Northbrook, IL 60062
Based in Fox Lake, 3 mi away
91/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 340 Google reviews, open 24/7.
- 5.0★ from 340 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Northbrook, 2 mi away
91/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 278 Google reviews, open 24/7.
- 5.0★ from 278 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3444 Dundee Rd, Northbrook, IL 60062
Based in Highwood, 3 mi away
90/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 274 Google reviews, open 24/7.
- 5.0★ from 274 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 111 Washington Ave, Highwood, IL 60040
Based in Skokie, 12 mi away
90/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 2,707 Google reviews, open 24/7.
- 4.9★ from 2,707 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8024 St Louis Ave, Skokie, IL 60076
Based in Rolling Meadows, 11 mi away
90/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 1,104 Google reviews, open 24/7.
- 5.0★ from 1,104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4300 Lincoln Ave Unit P, Rolling Meadows, IL 60008
Based in Buffalo Grove, 4 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 285 Google reviews, open 24/7.
- 5.0★ from 285 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1398 Busch Pkwy, Buffalo Grove, IL 60089
Based in Chicago, 14 mi away
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 3,196 Google reviews, open 24/7.
- 4.9★ from 3,196 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4300 W Bryn Mawr Ave, Chicago, IL 60646
Based in Northbrook, 4 mi away
90/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 387 Google reviews, open 24/7.
- 4.9★ from 387 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 900 Skokie Blvd Suite 110, Northbrook, IL 60062
Based in Wheeling, 4 mi away
90/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 684 Google reviews, open 24/7.
- 4.8★ from 684 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 513 N Wolf Rd, Wheeling, IL 60090
Based in Buffalo Grove, 7 mi away
90/100CR ScoreRanked #18 because of its Google rating and availability: 4.7★ from 2,787 Google reviews, open 24/7.
- 4.7★ from 2,787 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 135 N Arlington Heights Rd Ste 180, Buffalo Grove, IL 60089
Based in Libertyville, 10 mi away
90/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 2,018 Google reviews, open 24/7.
- 4.8★ from 2,018 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 510 North Ave, Libertyville, IL 60048
Based in Des Plaines, 8 mi away
90/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 1,364 Google reviews, open 24/7.
- 4.8★ from 1,364 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 709 N Main St, Mt Prospect, IL 60056
Based in Evanston, 11 mi away
90/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 2,300 Google reviews, open 24/7.
- 4.8★ from 2,300 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1523 Payne St, Evanston, IL 60201
Based in Northbrook, 2 mi away
89/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 178 Google reviews, open 24/7.
- 4.9★ from 178 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 616 Anthony Trail, Northbrook, IL 60062
Based in Glenview, 6 mi away
89/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 355 Google reviews, open 24/7.
- 4.9★ from 355 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2033 Johns Ct, Glenview, IL 60025
Based in Chicago, 16 mi away
89/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 2,253 Google reviews, open 24/7.
- 4.9★ from 2,253 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4363 W Montrose Ave, Chicago, IL 60630
#25 Besco Air Inc.
Based in Chicago, 13 mi away
89/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 1,342 Google reviews, open 24/7.
- 4.9★ from 1,342 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5850 N Northwest Hwy, Chicago, IL 60631
HVAC contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 1,287 ranked HVAC contractors here; the rest are on their profiles.
Also serving Deerfield
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A & H Plumbing & Heating Co | 5.0★ (2) | 12 mi |
| American Pride Heating & Cooling Inc. | 1.5★ (2) | 10 mi |
| BMW Plumbing & Sewer | 4.9★ (384) | In Deerfield |
| Capitol Energy | 5.0★ (2) | 6 mi |
| DUCT-TECH AC Repair & Installation | 5.0★ (1) | In Deerfield |
| Furnace & Heating (NEAR ME) | 5.0★ (2) | In Deerfield |
| GO GREEN Heating & Cooling | 5.0★ (2) | 12 mi |
| HeatForce Furnace Repair HVAC | 5.0★ (2) | 4 mi |
| Heating & Cooling | 5.0★ (2) | 11 mi |
| Indoor Weather | 5.0★ (2) | 3 mi |
| Lucke Plumbing and Heating | 3.0★ (2) | 11 mi |
| Precision Today Plumbing Heating Cooling Electrical | 4.8★ (7,723) | 23 mi |
| PROPER SERVICES | 5.0★ (2) | 12 mi |
| Ray's Heating & Cooling | 3.0★ (2) | 12 mi |
| Rescue Plumbing | 5.0★ (24) | In Deerfield |
| Sebastian’s Heating and Cooling | 5.0★ (2) | 7 mi |
| Tedora Heating & Cooling Repairs | 4.5★ (2) | 7 mi |
| Tem Control HVAC | 5.0★ (2) | 3 mi |
| THERMATRONIC INC. | 5.0★ (2) | 6 mi |
| United Air Control Corp | 3.0★ (2) | 2 mi |
How much do HVAC contractors cost in Deerfield?
National price ranges in USD, not adjusted for Deerfield. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in Illinois
In Illinois, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How we ranked Deerfield HVAC contractors
We scored 1,287 Deerfield HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Deerfield data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
HVAC contractors in Deerfield: frequently asked questions
Who is the best HVAC contractor in Deerfield?
By CR Score, the highest-ranked HVAC contractor in Deerfield, IL is AA Service Co. with a CR Score of 93/100. It has 4.9★ from 3,150 Google reviews. It is open 24/7. ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Azrikam The Price Is Right Heating & Air Conditioning HVAC (#3) follow. We ranked 1,287 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Deerfield?
ContractorsRanked ranks 1,287 HVAC contractors serving Deerfield, IL. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Deerfield are open 24/7?
531 ranked HVAC contractors in Deerfield post 24/7 hours. The highest-ranked are AA Service Co. (#1), ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Azrikam The Price Is Right Heating & Air Conditioning HVAC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Deerfield work on weekends?
983 of 1,287 ranked HVAC contractors post Saturday hours and 794 post Sunday hours. The highest-ranked open Saturdays are AA Service Co. (#1), ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Azrikam The Price Is Right Heating & Air Conditioning HVAC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Deerfield?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Deerfield. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Deerfield HVAC contractors have?
The median Google rating among 1,287 rated HVAC contractors in Deerfield is 4.9★, with a median of 20 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Deerfield?
In Illinois, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Deerfield
- October 2026: CR Scores recalculated for 1,287 hvac contractors serving Deerfield.
- October 2026: 8 duplicate listings merged.
More HVAC contractors and Deerfield pages
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