Skip to content
ContractorsRanked

Emergency HVAC Contractors in Northbrook, IL (2026)

Top 50 of 1,353 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Northbrook: AA Service Co., open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Northbrook at a glance

Top emergency HVAC contractors in Northbrook at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1AA Service Co.664.9★ (3,150)Northbrook24/7
2ABC Plumbing, Sewer, Heating, Cooling & Electric664.7★ (22,524)Arlington Heights, 8 mi away24/7
3Azrikam The Price Is Right Heating & Air Conditioning HVAC645.0★ (697)Northbrook24/7
4SPG Plumbing Northbrook644.9★ (861)Northbrook24/7
5American Weathermakers Inc644.8★ (872)Northbrook24/7
6Astera Heating, Cooling and Appliance repair644.9★ (1,120)Prospect Heights, 4 mi away24/7
7Shavitz Heating and Air Conditioning644.9★ (2,707)Skokie, 9 mi away24/7
8Guardian Heating & Cooling634.9★ (387)Northbrook24/7
9Comfort Air Control635.0★ (278)Northbrook24/7
10Deljo Heating, Cooling & Plumbing634.9★ (3,196)Chicago, 11 mi away24/7

Call an emergency HVAC contractor in Northbrook now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Northbrook, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 1,353 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Northbrook

    #1 AA Service Co.

    Based in Northbrook

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 3,150 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 3,150 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    550 Anthony Trail, Northbrook, IL 60062
    View profile for AA Service Co.(847) 729-7889

  9. #9 Comfort Air Control

    Based in Northbrook

    63/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 278 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 278 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3444 Dundee Rd, Northbrook, IL 60062
    View profile for Comfort Air Control(224) 805-0861

  15. #15 Effective Air, Inc.

    Based in Glenview, 3 mi away

    63/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 355 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 355 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2033 Johns Ct, Glenview, IL 60025
    View profile for Effective Air, Inc.(847) 729-1820

  17. #17 Besco Air Inc.

    Based in Chicago, 10 mi away

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,342 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,342 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5850 N Northwest Hwy, Chicago, IL 60631
    View profile for Besco Air Inc.(312) 809-2695

  18. #18 Carefree Comfort, Inc.

    Based in Highland Park, 3 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “HVAC contractor”.

    • 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
    View profile for Carefree Comfort, Inc.(847) 388-0115

  21. #21 Green Air Care

    Based in Buffalo Grove, 7 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.6★ from 1,545 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 1,545 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1566 Barclay Blvd, Buffalo Grove, IL 60089
    View profile for Green Air Care(224) 850-3004

  23. #23 ARS / Rescue Rooter

    Based in Itasca, 15 mi away

    62/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 4,969 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 4,969 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    731 District Dr, Itasca, IL 60143
    View profile for ARS / Rescue Rooter(630) 475-1987

  25. #25 Goode Plumbing

    Based in Chicago, 12 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 2,374 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,374 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4594 N Elston Ave, Chicago, IL 60630
    View profile for Goode Plumbing(773) 280-8496

Top 50 of 1,353 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Northbrook, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Duct Professor Heating & Cooling624.8★ (398)4 mi
27Elite HVACs Heating & Air624.9★ (848)9 mi
28Freedom Heating, Cooling & Electrical624.9★ (2,121)14 mi
29Hot Cold Air Heating, Air Conditioning & Air Duct Cleaning624.7★ (239)In Northbrook
30Beck’s Heating and Air Conditioning625.0★ (274)6 mi
31TopTec Heating, Cooling, Plumbing & Electrical624.8★ (2,018)13 mi
32Legendary Service625.0★ (286)6 mi
33Next Generation Heating & Cooling625.0★ (285)6 mi
34Robinson Heating and Cooling Inc624.8★ (357)5 mi
35Oasis Plumbing, Heating & Cooling624.9★ (1,055)12 mi
36Bill's Heating And Air Conditioning Inc.614.9★ (89)In Northbrook
37Master Mechanical Inc.615.0★ (275)7 mi
38Precision Today Plumbing Heating Cooling Electrical614.8★ (7,723)21 mi
39Bishop Plumbing, Heating and Cooling, Inc.614.5★ (768)6 mi
40Deljo Heating and Cooling614.9★ (389)8 mi
41Five Star Heating & Air, Inc.614.9★ (1,082)13 mi
42Aire Serv of Palatine614.9★ (766)12 mi
43Best Price HVAC615.0★ (93)3 mi
44Comfort Style HVAC Heating & Cooling615.0★ (106)4 mi
45Freezing Hot LLC615.0★ (120)4 mi
46Guardian Heating & Cooling Service614.8★ (1,189)13 mi
47Allied Air Conditioning & Heating Corp.614.9★ (473)11 mi
48Ardmore Fresh Air, Inc.614.9★ (337)9 mi
49Gartner Heating & Cooling614.9★ (302)8 mi
50Heatmasters614.8★ (708)12 mi

How we ranked emergency HVAC contractors in Northbrook

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Northbrook: questions

Which HVAC contractors in Northbrook are open 24/7?

25 on this list post 24/7 hours, including AA Service Co., ABC Plumbing, Sewer, Heating, Cooling & Electric, Azrikam The Price Is Right Heating & Air Conditioning HVAC, SPG Plumbing Northbrook and American Weathermakers Inc.

Who is ranked #1 for emergency heating and cooling in Northbrook, IL?

AA Service Co. is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Northbrook ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Northbrook

  1. October 2026: CR Scores recalculated for 1,353 hvac contractors serving Northbrook.
  2. October 2026: 9 duplicate listings merged.

More emergency and heating and cooling pages