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Emergency HVAC Contractors in Winthrop Harbor, IL (2026)

Top 50 of 339 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 Winthrop Harbor: Kern Heating & Cooling 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 Winthrop Harbor at a glance

Top emergency HVAC contractors in Winthrop Harbor at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Kern Heating & Cooling Co.654.7★ (1,162)Beach Park, 4 mi away24/7
2Herchenbach Mechanical Inc.644.9★ (576)Gurnee, 8 mi away24/7
3TopTec Heating, Cooling, Plumbing & Electrical644.8★ (2,018)Libertyville, 15 mi away24/7
4Cahill Heating, Cooling, Electric, Plumbing & Sewer645.0★ (1,064)Lake Bluff, 14 mi away24/7
5Comfort Cavalry Heating & Air634.9★ (1,086)Antioch, 14 mi away24/7
6Duane Blanton Plumbing, Sewer, Heating & Cooling634.7★ (2,290)Round Lake, 16 mi away24/7
7Command Service Center, INC635.0★ (745)Antioch, 14 mi away24/7
8First Call Heating & Cooling634.9★ (1,103)Caledonia, 15 mi away24/7
9AA Service Co.634.9★ (3,150)Northbrook, 23 mi away24/7
10Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating)634.8★ (986)Grayslake, 15 mi away24/7

Call an emergency HVAC contractor in Winthrop Harbor 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 Winthrop Harbor, 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 339 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.

  9. #9 AA Service Co.

    Based in Northbrook, 23 mi away

    63/100CR Score

    Ranked #9 because of its Google rating and review volume: 4.9★ from 3,150 Google reviews.

    • 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 Triple Tech Services

    Based in Gurnee, 9 mi away

    62/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 232 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 232 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1800 Nations Dr Suite 177, Gurnee, IL 60031
    View profile for Triple Tech Services(847) 263-1908

  24. #24 Green Air Care

    Based in Buffalo Grove, 22 mi away

    61/100CR Score

    Ranked #24 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 339 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 Winthrop Harbor, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Aire Serv of North Lake County614.8★ (62)6 mi
27SPG Plumbing Northbrook614.9★ (861)23 mi
28Rodgers Heating & Air Conditioning LLC614.9★ (72)8 mi
29South Shore Heating, Air Conditioning and Hydronic INC604.9★ (502)20 mi
30American Weathermakers Inc604.8★ (872)23 mi
31Azrikam The Price Is Right Heating & Air Conditioning HVAC605.0★ (697)24 mi
32Keystone Htg & AC Co, Inc604.9★ (202)15 mi
33Beck’s Heating and Air Conditioning605.0★ (274)19 mi
34Premier Comfort Heating & Cooling LLC604.9★ (371)19 mi
35Legacy Heating & Cooling605.0★ (165)16 mi
36STVU Inc605.0★ (79)11 mi
37The Pure Air Experts605.0★ (108)13 mi
38Comfort Cavalry Heating & Air605.0★ (234)19 mi
39Legendary Service Inc.605.0★ (292)20 mi
40Vent Heating & Cooling Service605.0★ (57)9 mi
41Air Blue Heating and Cooling604.8★ (684)23 mi
42Air Kings Heating And Cooling604.9★ (259)19 mi
43Carefree Comfort, Inc.605.0★ (288)21 mi
44FloRyte Services605.0★ (340)23 mi
45Gleason Plumbing, Heating and Air604.8★ (420)21 mi
46Beckman Bros., Inc604.8★ (119)14 mi
47Next Generation Heating & Cooling605.0★ (285)22 mi
48Aaron & Trecker Heating and Air Conditioning595.0★ (320)23 mi
49DG Heating and Cooling594.9★ (109)15 mi
50Guardian Heating & Cooling594.9★ (387)24 mi

How we ranked emergency HVAC contractors in Winthrop Harbor

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 Winthrop Harbor: questions

Which HVAC contractors in Winthrop Harbor are open 24/7?

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

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

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

How are emergency HVAC contractors in Winthrop Harbor 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 Winthrop Harbor

  1. October 2026: CR Scores recalculated for 339 hvac contractors serving Winthrop Harbor.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages