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Emergency HVAC Contractors in Palatine, IL (2026)

Top 50 of 1,475 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 Palatine: ABC Plumbing, Sewer, Heating, Cooling & Electric, 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 Palatine at a glance

Top emergency HVAC contractors in Palatine at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1ABC Plumbing, Sewer, Heating, Cooling & Electric674.7★ (22,524)Arlington Heights, 3 mi away24/7
2American Star Total Home Comfort655.0★ (1,104)Rolling Meadows, 1 mi away24/7
3Five Star Heating & Air, Inc.654.9★ (1,082)Palatine24/7
4Aire Serv of Palatine644.9★ (766)Palatine24/7
5Four Seasons Heating, Air Conditioning, Plumbing, Electric644.7★ (2,787)Buffalo Grove, 4 mi away24/7
6AA Service Co.644.9★ (3,150)Northbrook, 10 mi away24/7
7Allied Air Conditioning & Heating Corp.644.9★ (473)Palatine24/7
8ARS / Rescue Rooter644.7★ (4,969)Itasca, 9 mi away24/7
9On The Mark Heating and Air635.0★ (939)Hoffman Estates, 6 mi away24/7
10Intelligent Service: Plumbing, Heating, Cooling & Drain Cleaning634.8★ (1,364)Des Plaines, 5 mi away24/7

Call an emergency HVAC contractor in Palatine 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 Palatine, 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 1,475 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.

  6. #6 AA Service Co.

    Based in Northbrook, 10 mi away

    64/100CR Score

    Ranked #6 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

  8. #8 ARS / Rescue Rooter

    Based in Itasca, 9 mi away

    64/100CR Score

    Ranked #8 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

  15. #15 Green Air Care

    Based in Buffalo Grove, 7 mi away

    62/100CR Score

    Ranked #15 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

  21. #21 Cullerton Inc.

    Based in Arlington Heights, 1 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 141 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 141 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3200 W Stonegate Blvd #144, Arlington Heights, IL 60005
    View profile for Cullerton Inc.

Top 50 of 1,475 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 Palatine, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Master Mechanical Inc.625.0★ (275)6 mi
27TopTec Heating, Cooling, Plumbing & Electrical624.8★ (2,018)13 mi
28American Weathermakers Inc624.8★ (872)10 mi
29FloRyte Services625.0★ (340)8 mi
30JNL Climate Control, Inc.624.9★ (820)11 mi
31Cahill Heating, Cooling, Electric, Plumbing & Sewer625.0★ (1,064)14 mi
32Deljo Heating, Cooling & Plumbing624.9★ (3,196)18 mi
33Next Generation Heating & Cooling625.0★ (285)7 mi
34Shavitz Heating and Air Conditioning614.9★ (2,707)17 mi
3524HR Home Comfort Services614.9★ (1,374)14 mi
36Duct Professor Heating & Cooling614.8★ (398)7 mi
37Legendary Service615.0★ (286)8 mi
38Robinson Heating and Cooling Inc614.8★ (357)6 mi
39Bishop Plumbing, Heating and Cooling, Inc.614.5★ (768)6 mi
40Climate Comfort Heating and Cooling615.0★ (131)4 mi
41Comfort Masters Service Experts614.8★ (1,645)14 mi
42Besco Air Inc.614.9★ (1,342)15 mi
43Leslie Heating, Cooling, Plumbing, & Electric614.8★ (3,089)18 mi
44Borter Heating & Air Conditioning Co615.0★ (1,316)17 mi
45Indoor Comfort614.8★ (598)10 mi
46Legendary Service Inc.615.0★ (292)9 mi
47McNally's Heating and Cooling614.9★ (2,593)19 mi
48All Temp Heating and Air Conditioning614.9★ (2,253)18 mi
49AQC Services Inc HVAC & Appliance Repair615.0★ (286)9 mi
50Comfort Air Control615.0★ (278)9 mi

How we ranked emergency HVAC contractors in Palatine

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 Palatine: questions

Which HVAC contractors in Palatine are open 24/7?

25 on this list post 24/7 hours, including ABC Plumbing, Sewer, Heating, Cooling & Electric, American Star Total Home Comfort, Five Star Heating & Air, Inc., Aire Serv of Palatine and Four Seasons Heating, Air Conditioning, Plumbing, Electric.

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

ABC Plumbing, Sewer, Heating, Cooling & Electric is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Palatine 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?

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

Update log for Palatine

  1. October 2026: CR Scores recalculated for 1,475 hvac contractors serving Palatine.
  2. October 2026: 10 duplicate listings merged.

More emergency and heating and cooling pages