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Emergency HVAC Contractors in Cedar Lake, IN (2026)

Top 50 of 269 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 Cedar Lake: Summers Plumbing Heating & Cooling, 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 Cedar Lake at a glance

Top emergency HVAC contractors in Cedar Lake at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Summers Plumbing Heating & Cooling674.9★ (4,666)Crown Point, 6 mi away24/7
2True Quality HVAC645.0★ (368)Gary, 5 mi away24/7
3Merts Heating & Air Conditioning634.8★ (1,449)Steger, 12 mi away24/7
4AAA Services, Inc. - Heating, Air Conditioning & Plumbing634.9★ (486)Merrillville, 8 mi away24/7
5Comfort Aire Inc634.8★ (508)Merrillville, 8 mi away24/7
6Home Comfort Experts634.9★ (4,299)Valparaiso, 23 mi away24/7
7All American AC & Heating Repair634.9★ (275)Crown Point, 7 mi away24/7
8EcoEdge Systems Heating & Cooling624.9★ (486)Merrillville, 10 mi away24/7
9EcoEdge Systems Heating & Cooling625.0★ (152)Crown Point, 5 mi away24/7
10Summers Plumbing Heating & Cooling624.9★ (3,188)Valparaiso, 23 mi away24/7

Call an emergency HVAC contractor in Cedar Lake 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 Cedar Lake, 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 269 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.

  5. #5 Comfort Aire Inc

    Based in Merrillville, 8 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 508 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8269 Buchanan St, Merrillville, IN 46410
    View profile for Comfort Aire Inc(219) 306-2348

  6. #6 Home Comfort Experts

    Based in Valparaiso, 23 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 4,299 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 4,299 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3505 Redbow Dr, Valparaiso, IN 46383
    View profile for Home Comfort Experts(219) 224-6602

  14. #14 All-Star Service

    Based in Valparaiso, 16 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 526 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 526 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    519 W US Hwy 30, Valparaiso, IN 46385
    View profile for All-Star Service(219) 464-4919

Top 50 of 269 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 Cedar Lake, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Elico Heating & Cooling594.9★ (346)21 mi
27Nikki's Heating & Cooling595.0★ (30)7 mi
28Climate Control Systems594.9★ (430)22 mi
29Allegiance Heating & Cooling594.9★ (440)23 mi
30Comfortmate Bremen Service594.9★ (428)23 mi
31Ryan Patrick Heating & AC Services, LLC595.0★ (17)6 mi
32Crown Wheele HVAC594.8★ (259)21 mi
334 Brothers Sewer and Plumbing Service584.6★ (166)17 mi
34TemperaturePro Heating, Cooling & Indoor Air Quality584.8★ (440)24 mi
35Comfort Zone Service585.0★ (296)25 mi
36Aire Serv of Valparaiso584.7★ (282)21 mi
37Climate Master Mechanical Contractors, Inc. DBA Doornbos Heating & Air Conditioning584.9★ (282)23 mi
38Integrity Heating & Cooling584.5★ (816)25 mi
39J&J Heating Inc.585.0★ (52)14 mi
40Mountain Top Heating Air & Appliance Repair Inc.repair584.6★ (117)16 mi
41Cold Air HVAC LLC584.4★ (35)9 mi
42EDCO Environmental Services585.0★ (13)6 mi
43M & M Mechanical585.0★ (12)6 mi
44Rich's Heating and Air LLC585.0★ (73)18 mi
45Porterhouse Heating & Cooling584.8★ (201)23 mi
46JL Mechanical Heating and Air584.7★ (264)23 mi
47All-Star Service584.6★ (51)14 mi
48One Hour Heating & Air Conditioning of Hazel Crest584.8★ (100)19 mi
49Tri-Quality Service Inc574.0★ (8)5 mi
50Sun Ray Heating LLC574.5★ (67)16 mi

How we ranked emergency HVAC contractors in Cedar Lake

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 Cedar Lake: questions

Which HVAC contractors in Cedar Lake are open 24/7?

25 on this list post 24/7 hours, including Summers Plumbing Heating & Cooling, True Quality HVAC, Merts Heating & Air Conditioning, AAA Services, Inc. - Heating, Air Conditioning & Plumbing and Comfort Aire Inc.

Who is ranked #1 for emergency heating and cooling in Cedar Lake, IN?

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

How are emergency HVAC contractors in Cedar Lake 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 Cedar Lake

  1. October 2026: CR Scores recalculated for 269 hvac contractors serving Cedar Lake.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages