Top 29 of 54 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
14 of the 29 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 Hermantown: ASP Mechanical, 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 | ASP Mechanical | 67 | 4.8★ (1,645) | Duluth, 2 mi away | 24/7 |
| 2 | Stone Plumbing and Heating Inc. | 63 | 4.9★ (395) | Duluth, 10 mi away | 24/7 |
| 3 | Veterans Heating & Cooling | 62 | 4.9★ (101) | Duluth, 5 mi away | 24/7 |
| 4 | Cosgriff Climate Control | 62 | 5.0★ (32) | Hermantown | 24/7 |
| 5 | A G O'Brien Plumbing & Heating Co | 61 | 4.8★ (362) | Duluth, 2 mi away | 24/7 |
| 6 | Plumbing and Heating Solutions Inc | 61 | 5.0★ (68) | Duluth, 8 mi away | 24/7 |
| 7 | Advantage Air Plumbing, Heating, & Cooling | 61 | 4.6★ (48) | Duluth, 3 mi away | 24/7 |
| 8 | Advantage Air Plumbing, Heating and Cooling | 60 | 4.4★ (138) | Superior, 9 mi away | 24/7 |
| 9 | Belknap Plumbing, Heating & Cooling | 59 | 4.4★ (63) | Superior, 9 mi away | 24/7 |
| 10 | Northland Air | 59 | 5.0★ (46) | Duluth, 13 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.
Open 24/7 · 4.8 from 1,645 Google reviews
#2Stone Plumbing and Heating Inc.
Open 24/7 · 4.9 from 395 Google reviews
Open 24/7 · 4.9 from 101 Google reviews
Open 24/7 · 5.0 from 32 Google reviews
#5A G O'Brien Plumbing & Heating Co
Open 24/7 · 4.8 from 362 Google reviews
#6Plumbing and Heating Solutions Inc
Open 24/7 · 5.0 from 68 Google reviews
#7Advantage Air Plumbing, Heating, & Cooling
Open 24/7 · 4.6 from 48 Google reviews
#8Advantage Air Plumbing, Heating and Cooling
Open 24/7 · 4.4 from 138 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 54 is on the HVAC contractors page.
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,645 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 395 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermantown
Ranked #4 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 2 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 362 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 8 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 3 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #8 because of its Google rating and trade focus: 4.4★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.4★ from 63 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 13 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cloquet, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 40 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cloquet, 12 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 18 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cloquet, 10 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Superior, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.3★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Duluth, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Duluth, 6 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 355 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 14 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cloquet, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 427 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 15 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 423 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 3 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 46 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 11 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | MMT Heating & Cooling | 41 | 4.7★ (27) | 3 mi |
| 27 | Kalkbrenner Plumbing & Heating Inc | 40 | 5.0★ (215) | 10 mi |
| 28 | HVAC Services: Heating & Air Conditioning | 39 | 5.0★ (9) | 6 mi |
| 29 | Duluth HVAC Services | 38 | 5.0★ (6) | 7 mi |
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 |