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Emergency HVAC Contractors in Chesterton, IN (2026)

Top 50 of 166 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 Chesterton: Home Comfort Experts, 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 Chesterton at a glance

Top emergency HVAC contractors in Chesterton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Home Comfort Experts664.9★ (4,299)Valparaiso, 11 mi away24/7
2Summers Plumbing Heating & Cooling654.9★ (3,188)Valparaiso, 11 mi away24/7
3Summers Plumbing Heating & Cooling634.9★ (4,666)Crown Point, 20 mi away24/7
4Buck's Heating & Air634.8★ (186)Chesterton24/7
5Regional Plumbing Heating & Air634.8★ (998)Valparaiso, 10 mi away24/7
6Maglish Plumbing, Heating, Cooling & Electrical634.6★ (788)Portage, 7 mi away24/7
7Reling Heating Air Conditioning & Refrigeration634.9★ (120)Chesterton24/7
8Summers Plumbing Heating & Cooling634.9★ (1,834)La Porte, 17 mi away24/7
9Area Sheet Metal, Heating, Cooling, and Metal Fabrication625.0★ (310)Hobart, 10 mi away24/7
10All-Star Service624.8★ (526)Valparaiso, 11 mi away24/7

Call an emergency HVAC contractor in Chesterton 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 Chesterton, 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 166 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.

  1. Ranked #1 in Chesterton

    #1 Home Comfort Experts

    Based in Valparaiso, 11 mi away

    66/100CR Score

    Ranked #1 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

  10. #10 All-Star Service

    Based in Valparaiso, 11 mi away

    62/100CR Score

    Ranked #10 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

  13. #13 Crown Wheele HVAC

    Based in Valparaiso, 10 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 259 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 259 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    750 Franklin St, Valparaiso, IN 46383
    View profile for Crown Wheele HVAC(219) 462-4328

  23. #23 Comfort Aire Inc

    Based in Merrillville, 18 mi away

    60/100CR Score

    Ranked #23 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

Top 50 of 166 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 Chesterton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Regional Plumbing Heating & Air - Michigan City604.9★ (73)10 mi
27Division HVAC Specialists605.0★ (79)12 mi
28True Quality HVAC605.0★ (368)22 mi
29All American AC & Heating Repair594.9★ (275)19 mi
30Clear Sky Heating & Air594.9★ (153)18 mi
31EcoEdge Systems Heating & Cooling595.0★ (152)20 mi
32ICC Mechanical Services / ICC Cold Storage Products584.5★ (34)10 mi
33Regional Plumbing Heating & Air584.6★ (22)8 mi
34Better Home Service584.0★ (4)In Chesterton
35Four Seasons Mechanical584.8★ (73)17 mi
36Veterans First Air Conditioning and Heating585.0★ (16)10 mi
37Green Air Technologies HVAC574.4★ (47)13 mi
38Twin Town Mechanical574.7★ (12)9 mi
39PCS Refrigeration LLC575.0★ (10)10 mi
40Around The Clock Heating & Air LLC574.6★ (10)10 mi
41ASM Refrigeration574.9★ (21)15 mi
42Habhab Mechanical574.4★ (7)8 mi
43ECO HVAC565.0★ (24)17 mi
44Morgan Mechanical Heating and Air, LLC564.8★ (41)20 mi
45Nikki's Heating & Cooling565.0★ (30)20 mi
46Art Miller Plumbing & Heating564.9★ (35)21 mi
47Frostique HVAC Repair Services563.8★ (37)14 mi
48Air Quality Heating & Air Conditioning llc563.2★ (45)11 mi
49Cold Air HVAC LLC564.4★ (35)18 mi
50W.J.M. Industrial Services, Inc.564.2★ (5)10 mi

How we ranked emergency HVAC contractors in Chesterton

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 Chesterton: questions

Which HVAC contractors in Chesterton are open 24/7?

25 on this list post 24/7 hours, including Home Comfort Experts, Summers Plumbing Heating & Cooling, Summers Plumbing Heating & Cooling, Buck's Heating & Air and Regional Plumbing Heating & Air.

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

Home Comfort Experts is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Chesterton 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 Chesterton

  1. October 2026: CR Scores recalculated for 166 hvac contractors serving Chesterton.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages