Top 50 of 341 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.
#1 for emergency heating and cooling in Carmel: Williams Comfort Air - Heating Cooling Plumbing Electrical, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Williams Comfort Air - Heating Cooling Plumbing Electrical | 68 | 4.8★ (6,610) | Carmel | 24/7 |
| 2 | Good Guys Home Services | 66 | 4.9★ (2,347) | Westfield, 4 mi away | 24/7 |
| 3 | Summers Plumbing Heating & Cooling | 65 | 4.9★ (3,098) | Noblesville, 7 mi away | 24/7 |
| 4 | Action Air | 65 | 4.9★ (2,360) | Fishers, 6 mi away | 24/7 |
| 5 | Peterman Brothers Heating Cooling Plumbing | 65 | 4.8★ (3,128) | Fishers, 6 mi away | 24/7 |
| 6 | One Hour Heating & Air Conditioning | 65 | 4.8★ (7,717) | Indianapolis, 12 mi away | 24/7 |
| 7 | Appel Heating & Air Conditioning | 65 | 4.9★ (653) | Carmel | 24/7 |
| 8 | Plumbing Heating Paramedics | 65 | 4.8★ (2,410) | Noblesville, 7 mi away | 24/7 |
| 9 | Bassett Services: Heating, Cooling, Plumbing, Electrical | 64 | 4.8★ (1,795) | Indianapolis, 7 mi away | 24/7 |
| 10 | Chapman Heating, Air Conditioning & Plumbing | 64 | 4.9★ (6,786) | Indianapolis, 16 mi away | 24/7 |
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.
#1Williams Comfort Air - Heating Cooling Plumbing Electrical
Open 24/7 · 4.8 from 6,610 Google reviews
Open 24/7 · 4.9 from 2,347 Google reviews
#3Summers Plumbing Heating & Cooling
Open 24/7 · 4.9 from 3,098 Google reviews
Open 24/7 · 4.9 from 2,360 Google reviews
#5Peterman Brothers Heating Cooling Plumbing
Open 24/7 · 4.8 from 3,128 Google reviews
#6One Hour Heating & Air Conditioning
Open 24/7 · 4.8 from 7,717 Google reviews
#7Appel Heating & Air Conditioning
Open 24/7 · 4.9 from 653 Google reviews
Open 24/7 · 4.8 from 2,410 Google reviews
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 341 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.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 6,610 Google reviews, listed on Google as “Furnace repair service”.
Based in Westfield, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,347 Google reviews, listed on Google as “HVAC contractor”.
Based in Noblesville, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,098 Google reviews, listed on Google as “HVAC contractor”.
Based in Fishers, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,360 Google reviews, listed on Google as “HVAC contractor”.
Based in Fishers, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 3,128 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 7,717 Google reviews, listed on Google as “HVAC contractor”.
Based in Carmel
Ranked #7 because of its Google rating and trade focus: 4.9★ from 653 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Noblesville, 7 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 2,410 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 7 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 1,795 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 16 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 6,786 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 5,732 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 2,006 Google reviews, listed on Google as “HVAC contractor”.
Based in Zionsville, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,154 Google reviews, listed on Google as “HVAC contractor”.
Based in Noblesville, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 874 Google reviews, listed on Google as “HVAC contractor”.
Based in Westfield, 4 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 475 Google reviews, listed on Google as “HVAC contractor”.
Based in Fishers, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 765 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,103 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 1,782 Google reviews, listed on Google as “Furnace repair service”.
Based in Carmel
Ranked #19 because of its Google rating and trade focus: 4.7★ from 306 Google reviews, listed on Google as “HVAC contractor”.
Based in Indianapolis, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 1,435 Google reviews, listed on Google as “HVAC contractor”.
Based in Carmel
Ranked #21 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “HVAC contractor”.
Based in Brownsburg, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 2,232 Google reviews, listed on Google as “Furnace repair service”.
Based in Fishers, 6 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 481 Google reviews, listed on Google as “HVAC contractor”.
Based in Carmel
Ranked #24 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “HVAC contractor”.
Based in Brownsburg, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 2,325 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
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.
| Factor | Weight | Computed from |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |