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Emergency HVAC Contractors in Gurnee, IL (2026)

Top 50 of 637 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 Gurnee: Herchenbach Mechanical Inc., 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 Gurnee at a glance

Top emergency HVAC contractors in Gurnee at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Herchenbach Mechanical Inc.644.9★ (576)Gurnee24/7
2TopTec Heating, Cooling, Plumbing & Electrical644.8★ (2,018)Libertyville, 6 mi away24/7
3ABC Plumbing, Sewer, Heating, Cooling & Electric634.7★ (22,524)Arlington Heights, 17 mi away24/7
4Cahill Heating, Cooling, Electric, Plumbing & Sewer635.0★ (1,064)Lake Bluff, 6 mi away24/7
5Kern Heating & Cooling Co.634.7★ (1,162)Beach Park, 5 mi away24/7
6Allied Air Conditioning & Heating Corp.625.0★ (428)Libertyville, 6 mi away24/7
7Duane Blanton Plumbing, Sewer, Heating & Cooling624.7★ (2,290)Round Lake, 10 mi away24/7
8Triple Tech Services624.8★ (232)Gurnee24/7
9Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating)624.8★ (986)Grayslake, 7 mi away24/7
10AA Service Co.624.9★ (3,150)Northbrook, 16 mi away24/7

Call an emergency HVAC contractor in Gurnee 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 Gurnee, 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 637 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.

  10. #10 AA Service Co.

    Based in Northbrook, 16 mi away

    62/100CR Score

    Ranked #10 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

  14. #14 STVU Inc

    Based in Gurnee

    62/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 79 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7458 Inglenook Ln, Gurnee, IL 60031
    View profile for STVU Inc(847) 912-4373

  20. #20 Green Air Care

    Based in Buffalo Grove, 13 mi away

    61/100CR Score

    Ranked #20 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

Top 50 of 637 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 Gurnee, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Legendary Service Inc.605.0★ (292)12 mi
27Azrikam The Price Is Right Heating & Air Conditioning HVAC605.0★ (697)17 mi
28Beck’s Heating and Air Conditioning605.0★ (274)12 mi
29Lake County Mechanical604.9★ (374)13 mi
30Vent Heating & Cooling Service605.0★ (57)4 mi
31American Weathermakers Inc604.8★ (872)16 mi
32Astera Heating, Cooling and Appliance repair604.9★ (1,120)19 mi
33American Star Total Home Comfort605.0★ (1,104)20 mi
34Beckman Bros., Inc604.8★ (119)6 mi
35IRPEEL HVAC INC.605.0★ (31)1 mi
36Aaron & Trecker Heating and Air Conditioning605.0★ (320)14 mi
37Air Blue Heating and Cooling604.8★ (684)15 mi
38Carefree Comfort, Inc.605.0★ (288)14 mi
39FloRyte Services605.0★ (340)15 mi
40Next Generation Heating & Cooling605.0★ (285)14 mi
41Premier Comfort Heating & Cooling LLC604.9★ (371)14 mi
42TrueTemp Heating & Cooling Gurnee605.0★ (23)In Gurnee
43Gleason Plumbing, Heating and Air604.8★ (420)14 mi
44Aire Serv of Palatine604.9★ (766)19 mi
45American Comfort Solution605.0★ (235)14 mi
46The Pure Air Experts605.0★ (108)9 mi
47Gotsch Heating Ventilation and Air Conditioning LLC595.0★ (40)5 mi
48Intelligent Service: Plumbing, Heating, Cooling & Drain Cleaning594.8★ (1,364)20 mi
49Chicagoland Heating and Cooling Inc.594.9★ (122)10 mi
5024HR Home Comfort Services594.9★ (1,374)23 mi

How we ranked emergency HVAC contractors in Gurnee

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 Gurnee: questions

Which HVAC contractors in Gurnee are open 24/7?

25 on this list post 24/7 hours, including Herchenbach Mechanical Inc., TopTec Heating, Cooling, Plumbing & Electrical, ABC Plumbing, Sewer, Heating, Cooling & Electric, Cahill Heating, Cooling, Electric, Plumbing & Sewer and Kern Heating & Cooling Co..

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

Herchenbach Mechanical Inc. is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Gurnee 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 Gurnee

  1. October 2026: CR Scores recalculated for 637 hvac contractors serving Gurnee.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages