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Emergency HVAC Contractors in Schererville, IN (2026)

Top 50 of 424 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 Schererville: 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 Schererville at a glance

Top emergency HVAC contractors in Schererville at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Summers Plumbing Heating & Cooling674.9★ (4,666)Crown Point, 6 mi away24/7
2Merts Heating & Air Conditioning644.8★ (1,449)Steger, 9 mi away24/7
3AAA Services, Inc. - Heating, Air Conditioning & Plumbing644.9★ (486)Merrillville, 5 mi away24/7
4Comfort Aire Inc634.8★ (508)Merrillville, 6 mi away24/7
5King Heating, Cooling & Plumbing634.7★ (3,996)Oak Forest, 17 mi away24/7
6Four Seasons Heating, Air Conditioning, Plumbing, & Electric634.8★ (3,722)Crestwood, 18 mi away24/7
7EcoEdge Systems Heating & Cooling634.9★ (486)Merrillville, 8 mi away24/7
8Four Seasons Heating, Air Conditioning, Plumbing, & Electric634.8★ (516)Hobart, 8 mi away24/7
9True Quality HVAC635.0★ (368)Gary, 9 mi away24/7
10Home Comfort Experts634.9★ (4,299)Valparaiso, 23 mi away24/7

Call an emergency HVAC contractor in Schererville 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 Schererville, 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 424 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 Comfort Aire Inc

    Based in Merrillville, 6 mi away

    63/100CR Score

    Ranked #4 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

  10. #10 Home Comfort Experts

    Based in Valparaiso, 23 mi away

    63/100CR Score

    Ranked #10 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

  17. #17 All-Star Service

    Based in Valparaiso, 15 mi away

    61/100CR Score

    Ranked #17 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 424 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 Schererville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
264 Brothers Sewer and Plumbing Service604.6★ (166)10 mi
27Comfortmate Bremen Service604.9★ (428)20 mi
28Burris & Sons Heating, Cooling & Plumbing604.8★ (500)20 mi
29Doornbos Heating & Air Conditioning604.8★ (600)21 mi
30King Heating, Cooling & Plumbing604.8★ (783)22 mi
31Climate Control Systems604.9★ (430)20 mi
32J&J Heating Inc.605.0★ (52)8 mi
33Nikki's Heating & Cooling605.0★ (30)5 mi
34Art Miller Plumbing & Heating604.9★ (35)5 mi
35Morgan Mechanical Heating and Air, LLC604.8★ (41)6 mi
36Elico Heating & Cooling594.9★ (346)20 mi
37Mountain Top Heating Air & Appliance Repair Inc.repair594.6★ (117)11 mi
38J.J.R. Heating & Cooling Inc595.0★ (408)23 mi
39TemperaturePro Heating, Cooling & Indoor Air Quality594.8★ (440)21 mi
40Climate Master Mechanical Contractors, Inc. DBA Doornbos Heating & Air Conditioning594.9★ (282)20 mi
41Comfort Zone Service595.0★ (296)21 mi
42Cold Air HVAC LLC594.4★ (35)4 mi
43Integrity Heating & Cooling594.5★ (816)21 mi
44Magtek Mechanical Heating & Cooling594.9★ (539)25 mi
45Polar Heating & AC594.6★ (899)23 mi
46One Hour Heating & Air Conditioning of Hazel Crest594.8★ (100)14 mi
47Porterhouse Heating & Cooling594.8★ (201)19 mi
48Amber Heating & Air Conditioning DBA Doornbos Heating & Air Conditioning594.8★ (269)21 mi
49Crown Wheele HVAC594.8★ (259)21 mi
50Gray's Total Green Energy Solutions LLC594.4★ (127)13 mi

How we ranked emergency HVAC contractors in Schererville

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 Schererville: questions

Which HVAC contractors in Schererville are open 24/7?

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

Who is ranked #1 for emergency heating and cooling in Schererville, 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 Schererville 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 Schererville

  1. October 2026: CR Scores recalculated for 424 hvac contractors serving Schererville.
  2. October 2026: 6 duplicate listings merged.

More emergency and heating and cooling pages