Skip to content
ContractorsRanked

Emergency HVAC Contractors in Niles, IL (2026)

Top 50 of 1,477 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 Niles: Deljo Heating, Cooling & Plumbing, 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 Niles at a glance

Top emergency HVAC contractors in Niles at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Deljo Heating, Cooling & Plumbing654.9★ (3,196)Chicago, 4 mi away24/7
2Shavitz Heating and Air Conditioning644.9★ (2,707)Skokie, 5 mi away24/7
3ABC Plumbing, Sewer, Heating, Cooling & Electric644.7★ (22,524)Arlington Heights, 12 mi away24/7
4Besco Air Inc.644.9★ (1,342)Chicago, 2 mi away24/7
5All Temp Heating and Air Conditioning644.9★ (2,253)Chicago, 5 mi away24/7
6Goode Plumbing644.8★ (2,374)Chicago, 5 mi away24/7
7AA Service Co.634.9★ (3,150)Northbrook, 9 mi away24/7
8American Vintage Home Heating, Cooling & Plumbing634.8★ (2,300)Evanston, 6 mi away24/7
9Freedom Heating, Cooling & Electrical634.9★ (2,121)Franklin Park, 7 mi away24/7
10Four Seasons Heating, Air Conditioning, Plumbing, & Electric634.7★ (27,709)Chicago, 18 mi away24/7

Call an emergency HVAC contractor in Niles 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 Niles, 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 1,477 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.

  4. #4 Besco Air Inc.

    Based in Chicago, 2 mi away

    64/100CR Score

    Ranked #4 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

  6. #6 Goode Plumbing

    Based in Chicago, 5 mi away

    64/100CR Score

    Ranked #6 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

  7. #7 AA Service Co.

    Based in Northbrook, 9 mi away

    63/100CR Score

    Ranked #7 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

  17. #17 ARS / Rescue Rooter

    Based in Itasca, 12 mi away

    63/100CR Score

    Ranked #17 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

  18. #18 Heatmasters

    Based in Chicago, 4 mi away

    63/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 708 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 708 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5540 W Lawrence Ave, Chicago, IL 60630
    View profile for Heatmasters(773) 777-5700

Top 50 of 1,477 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 Niles, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Effective Air, Inc.624.9★ (355)5 mi
27American Star Total Home Comfort625.0★ (1,104)13 mi
28Hero Air625.0★ (272)6 mi
29Legendary Service625.0★ (286)6 mi
30All Air Hvac625.0★ (106)1 mi
31American Weathermakers Inc624.8★ (872)9 mi
32Eco Air Pros Heating & Cooling624.9★ (420)7 mi
33Four Seasons Heating, Air Conditioning, Plumbing, Electric624.7★ (2,787)13 mi
34Excellent HVAC Duct Cleaning.Inc614.8★ (124)In Niles
35Precision Today Plumbing Heating Cooling Electrical614.8★ (450)6 mi
36MIRACLE PLUMBING & SEWER SERVICES614.9★ (219)4 mi
37Leslie Heating, Cooling, Plumbing, & Electric614.8★ (3,089)17 mi
38Perfect Temperature Control614.8★ (369)6 mi
39Tranquil Heating and Cooling615.0★ (174)5 mi
40Citywide Supply and Service614.7★ (291)4 mi
41Comfort Masters Service Experts614.8★ (1,645)14 mi
42Guardian Heating & Cooling614.9★ (387)8 mi
43Master Mechanical Inc.615.0★ (275)8 mi
44SAI AIR COMFORT614.7★ (257)3 mi
45Freezing Hot LLC615.0★ (120)4 mi
46GMS Heating & Cooling615.0★ (93)2 mi
47Paragon Heating, Cooling, and Tankless614.9★ (823)12 mi
48Service Express Heating and Air Conditioning614.9★ (897)13 mi
49Brothers Heating & Cooling Inc. & Brothers Perfect Construction LLC614.9★ (250)7 mi
50Air Blue Heating and Cooling614.8★ (684)11 mi

How we ranked emergency HVAC contractors in Niles

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 Niles: questions

Which HVAC contractors in Niles are open 24/7?

25 on this list post 24/7 hours, including Deljo Heating, Cooling & Plumbing, Shavitz Heating and Air Conditioning, ABC Plumbing, Sewer, Heating, Cooling & Electric, Besco Air Inc. and All Temp Heating and Air Conditioning.

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

Deljo Heating, Cooling & Plumbing is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Niles 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 Niles

  1. October 2026: CR Scores recalculated for 1,477 hvac contractors serving Niles.
  2. October 2026: 12 duplicate listings merged.

More emergency and heating and cooling pages