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Emergency HVAC Contractors in Indianapolis, IN (2026)

Top 50 of 365 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 Indianapolis: Chapman Heating, Air Conditioning & Plumbing, 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 Indianapolis at a glance

Top emergency HVAC contractors in Indianapolis at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Chapman Heating, Air Conditioning & Plumbing684.9★ (6,786)Indianapolis24/7
2Airtron Heating & Air Conditioning684.9★ (5,732)Indianapolis24/7
3One Hour Heating & Air Conditioning684.8★ (7,717)Indianapolis24/7
4Broad Ripple Service Experts664.8★ (2,006)Indianapolis24/7
5LCS Heating and Cooling664.9★ (1,435)Indianapolis24/7
6Bassett Services: Heating, Cooling, Plumbing, Electrical664.8★ (1,795)Indianapolis24/7
7Williams Comfort Air - Heating Cooling Plumbing Electrical664.8★ (1,782)Indianapolis24/7
8Godby Heating Plumbing Electrical654.9★ (1,103)Indianapolis24/7
9Brewer Heating & Cooling654.9★ (848)Indianapolis24/7
10Irish Air654.9★ (850)Indianapolis24/7

Call an emergency HVAC contractor in Indianapolis 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 Indianapolis, 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 365 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.

  10. #10 Irish Air

    Based in Indianapolis

    65/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 850 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 850 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    36 S Main St, Indianapolis, IN 46227
    View profile for Irish Air(317) 636-0357

  12. #12 Armor Air

    Based in Indianapolis

    65/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 987 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 987 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2461 Directors Row suite B, Indianapolis, IN 46241
    View profile for Armor Air(317) 751-7794

  19. #19 Vital Heating & Air

    Based in Indianapolis

    64/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 312 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 312 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8913 Southeastern Ave, Indianapolis, IN 46239
    View profile for Vital Heating & Air(317) 868-2665

  21. #21 ARS / Rescue Rooter

    Based in Plainfield, 11 mi away

    64/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 4,302 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 4,302 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    853 Columbia Rd Suite 191, Plainfield, IN 46168
    View profile for ARS / Rescue Rooter(765) 588-0353

  24. #24 Mission Mechanical

    Based in Indianapolis

    63/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.8★ from 309 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 309 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4437 Bragdon St, Indianapolis, IN 46226
    View profile for Mission Mechanical(317) 350-0188

Top 50 of 365 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 Indianapolis, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Summers Plumbing Heating & Cooling634.9★ (2,232)12 mi
27Bassett Services: Heating, Cooling, Plumbing, & Electrical634.8★ (4,096)14 mi
28Mowery Heating, Cooling & Plumbing634.9★ (2,325)13 mi
29Efficient Systems, Inc.634.8★ (279)In Indianapolis
30Baptist Heating & Air, Inc.634.8★ (217)In Indianapolis
31A Perfect Climate Heating & Cooling634.9★ (148)In Indianapolis
32Mark IV Heating Cooling & Refrigeration634.8★ (251)1 mi
33Summers Plumbing Heating & Cooling634.9★ (2,393)In Indianapolis
34HomePro634.8★ (176)In Indianapolis
35Peterman Brothers Heating Cooling Plumbing624.9★ (1,629)14 mi
36Johnson Heating, Cooling, and Plumbing624.8★ (1,143)11 mi
37Action Air624.9★ (2,360)17 mi
38Peterman Brothers Heating Cooling Plumbing624.8★ (3,128)17 mi
39Williams Comfort Air - Heating Cooling Plumbing Electrical624.9★ (1,284)14 mi
40Good Guys Home Services624.9★ (2,347)18 mi
41Summers Plumbing Heating & Cooling624.9★ (3,098)19 mi
42Control Tech Heating, Air, & Plumbing624.9★ (1,154)14 mi
43Perdue Heating and Cooling624.7★ (138)In Indianapolis
44Bowers Heating and Cooling615.0★ (207)8 mi
45Complete Comfort Heating, A/C & Plumbing Repair614.7★ (1,048)13 mi
46A Perfect Climate Heating & Cooling614.9★ (892)15 mi
47Plumbing Heating Paramedics614.8★ (2,410)19 mi
48Johnson Heating, Cooling and Plumbing614.9★ (1,465)18 mi
49Appel Heating & Air Conditioning614.9★ (653)14 mi
50Summers Plumbing Heating & Cooling614.9★ (1,767)20 mi

How we ranked emergency HVAC contractors in Indianapolis

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 Indianapolis: questions

Which HVAC contractors in Indianapolis are open 24/7?

25 on this list post 24/7 hours, including Chapman Heating, Air Conditioning & Plumbing, Airtron Heating & Air Conditioning, One Hour Heating & Air Conditioning, Broad Ripple Service Experts and LCS Heating and Cooling.

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

Chapman Heating, Air Conditioning & Plumbing is #1, with a CR Score of 68 out of 100 on emergency weights.

How are emergency HVAC contractors in Indianapolis 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 Indianapolis

  1. October 2026: CR Scores recalculated for 365 hvac contractors serving Indianapolis.

More emergency and heating and cooling pages