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Emergency HVAC Contractors in Winfield, IN (2026)

Top 50 of 184 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 Winfield: 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 Winfield at a glance

Top emergency HVAC contractors in Winfield at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Summers Plumbing Heating & Cooling674.9★ (4,666)Crown Point, 5 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
4EcoEdge Systems Heating & Cooling644.9★ (486)Merrillville, 4 mi away24/7
5True Quality HVAC645.0★ (368)Gary, 4 mi away24/7
6AAA Services, Inc. - Heating, Air Conditioning & Plumbing634.9★ (486)Merrillville, 7 mi away24/7
7Comfort Aire Inc634.8★ (508)Merrillville, 6 mi away24/7
8All American AC & Heating Repair634.9★ (275)Crown Point, 4 mi away24/7
9All-Star Service634.8★ (526)Valparaiso, 7 mi away24/7
10Four Seasons Heating, Air Conditioning, Plumbing, & Electric634.8★ (516)Hobart, 7 mi away24/7

Call an emergency HVAC contractor in Winfield 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 Winfield, 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 184 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

  7. #7 Comfort Aire Inc

    Based in Merrillville, 6 mi away

    63/100CR Score

    Ranked #7 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

  9. #9 All-Star Service

    Based in Valparaiso, 7 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

  20. #20 Crown Wheele HVAC

    Based in Valparaiso, 12 mi away

    61/100CR Score

    Ranked #20 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 184 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 Winfield, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26All-Star Service604.6★ (51)6 mi
27Nikki's Heating & Cooling605.0★ (30)6 mi
28Apex Heating and Cooling595.0★ (81)13 mi
29Ryan Patrick Heating & AC Services, LLC595.0★ (17)4 mi
30Gray's Total Green Energy Solutions LLC594.4★ (127)11 mi
31Kent Heating and Air Conditioning594.7★ (108)13 mi
32Division HVAC Specialists595.0★ (79)14 mi
33Buck's Heating & Air594.8★ (186)18 mi
34M & M Mechanical595.0★ (12)4 mi
35EDCO Environmental Services595.0★ (13)4 mi
36Cold Air HVAC LLC594.4★ (35)7 mi
37Reling Heating Air Conditioning & Refrigeration594.9★ (120)18 mi
384 Brothers Sewer and Plumbing Service584.6★ (166)20 mi
39Davis Heating and Air Conditioning585.0★ (4)3 mi
40Regional Plumbing Heating & Air574.6★ (22)11 mi
41EDCO Environmental Service, Inc.573.6★ (9)4 mi
42J&J Heating Inc.575.0★ (52)19 mi
43Certified Comfort Heating and Air575.0★ (5)5 mi
44Tri-Quality Service Inc574.0★ (8)5 mi
45PCS Refrigeration LLC575.0★ (10)9 mi
46ICC Mechanical Services / ICC Cold Storage Products574.5★ (34)14 mi
47Mountain Top Heating Air & Appliance Repair Inc.repair574.6★ (117)21 mi
48Around The Clock Heating & Air LLC574.6★ (10)10 mi
49Twin Town Mechanical574.7★ (12)11 mi
50Lakefront Heating and Cooling564.9★ (30)18 mi

How we ranked emergency HVAC contractors in Winfield

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 Winfield: questions

Which HVAC contractors in Winfield are open 24/7?

25 on this list post 24/7 hours, including Summers Plumbing Heating & Cooling, Home Comfort Experts, Summers Plumbing Heating & Cooling, EcoEdge Systems Heating & Cooling and True Quality HVAC.

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

  1. October 2026: CR Scores recalculated for 184 hvac contractors serving Winfield.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages