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Emergency HVAC Contractors in Lake Station, IN (2026)

Top 50 of 234 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 Lake Station: 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 Lake Station at a glance

Top emergency HVAC contractors in Lake Station at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Summers Plumbing Heating & Cooling654.9★ (4,666)Crown Point, 12 mi away24/7
2Home Comfort Experts654.9★ (4,299)Valparaiso, 14 mi away24/7
3Summers Plumbing Heating & Cooling644.9★ (3,188)Valparaiso, 14 mi away24/7
4Maglish Plumbing, Heating, Cooling & Electrical644.6★ (788)Portage, 3 mi away24/7
5Area Sheet Metal, Heating, Cooling, and Metal Fabrication645.0★ (310)Hobart, 3 mi away24/7
6Cruz Electric & Handy Services644.9★ (295)Hobart, 3 mi away24/7
7Four Seasons Heating, Air Conditioning, Plumbing, & Electric634.8★ (516)Hobart, 6 mi away24/7
8EcoEdge Systems Heating & Cooling634.9★ (486)Merrillville, 8 mi away24/7
9All-Star Service634.8★ (526)Valparaiso, 8 mi away24/7
10Valor Heating, Cooling & Refrigeration - Commercial & Residential635.0★ (132)Hobart, 3 mi away24/7

Call an emergency HVAC contractor in Lake Station 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 Lake Station, 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 234 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.

  2. #2 Home Comfort Experts

    Based in Valparaiso, 14 mi away

    65/100CR Score

    Ranked #2 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

  9. #9 All-Star Service

    Based in Valparaiso, 8 mi away

    63/100CR Score

    Ranked #9 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 Comfort Aire Inc

    Based in Merrillville, 10 mi away

    62/100CR Score

    Ranked #13 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

  18. #18 Buck's Heating & Air

    Based in Chesterton, 10 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 186 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 186 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    403 S Calumet Rd, Chesterton, IN 46304
    View profile for Buck's Heating & Air(219) 406-8758

  19. #19 Crown Wheele HVAC

    Based in Valparaiso, 12 mi away

    61/100CR Score

    Ranked #19 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

Top 50 of 234 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 Lake Station, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26All-Star Service604.6★ (51)6 mi
27Four Seasons Mechanical604.8★ (73)9 mi
28Burris & Sons Heating, Cooling & Plumbing604.8★ (500)21 mi
29Regional Plumbing Heating & Air594.6★ (22)3 mi
30Kent Heating and Air Conditioning594.7★ (108)12 mi
31Twin Town Mechanical594.7★ (12)1 mi
32Division HVAC Specialists595.0★ (79)15 mi
33PCS Refrigeration LLC595.0★ (10)3 mi
34Around The Clock Heating & Air LLC594.6★ (10)2 mi
35Morgan Mechanical Heating and Air, LLC584.8★ (41)12 mi
36Nikki's Heating & Cooling585.0★ (30)11 mi
374 Brothers Sewer and Plumbing Service584.6★ (166)19 mi
38Art Miller Plumbing & Heating584.9★ (35)13 mi
39Cold Air HVAC LLC584.4★ (35)10 mi
40Air Quality Heating & Air Conditioning llc583.2★ (45)3 mi
41Regional Plumbing Heating & Air - Michigan City574.9★ (73)19 mi
42Habhab Mechanical574.4★ (7)5 mi
43J&J Heating Inc.575.0★ (52)19 mi
44Budd Mechanical Systems574.4★ (53)15 mi
45ICC Mechanical Services / ICC Cold Storage Products574.5★ (34)13 mi
46Elemental Air Heating & Cooling575.0★ (109)24 mi
47Ryan Patrick Heating & AC Services, LLC575.0★ (17)13 mi
48EDCO Environmental Services575.0★ (13)12 mi
49Mountain Top Heating Air & Appliance Repair Inc.repair574.6★ (117)22 mi
50W.J.M. Industrial Services, Inc.574.2★ (5)6 mi

How we ranked emergency HVAC contractors in Lake Station

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 Lake Station: questions

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

25 on this list post 24/7 hours, including Summers Plumbing Heating & Cooling, Home Comfort Experts, Summers Plumbing Heating & Cooling, Maglish Plumbing, Heating, Cooling & Electrical and Area Sheet Metal, Heating, Cooling, and Metal Fabrication.

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

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

How are emergency HVAC contractors in Lake Station 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 Lake Station

  1. October 2026: CR Scores recalculated for 234 hvac contractors serving Lake Station.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages