36 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bismarck: Bismarck Heating & Air Conditioning, CR Score 68/100; 4.9★ from 1,622 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ed's Heating & Air, posts 24/7 hours; ranked #2 of 36.
Most-reviewed: Ed's Heating & Air, 518 Google reviews at 4.9★, the most of 36 ranked after Bismarck Heating & Air Conditioning; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
36 Bismarck HVAC contractors are ranked here by CR Score, from ten published factors. 13 are open 24/7, 14 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.8★ across 36 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bismarck Heating & Air Conditioning | 68 | 4.9★ (1,622) | Bismarck | 24/7 | Overall |
| 2 | Ed's Heating & Air | 66 | 4.9★ (518) | Bismarck | 24/7 | Emergencies, Most reviews |
| 3 | Preferred Heating & Air | 64 | 4.9★ (181) | Bismarck | 24/7 | — |
| 4 | Advanced Mechanical Inc. | 63 | 4.8★ (122) | Bismarck | 24/7 | — |
| 5 | River City Heating & Air, Refrigeration | 63 | 4.6★ (147) | Bismarck | 24/7 | — |
| 6 | Cooling & Heating Unlimited | 62 | 4.7★ (70) | Bismarck | 24/7 | — |
| 7 | Quick Fix Air Comfort - Heating & Cooling | 61 | 4.9★ (70) | Bismarck | Sat · Sun · Evenings | — |
| 8 | H.A. Thompson & Sons | 59 | 4.0★ (74) | Bismarck | 24/7 | — |
| 9 | Igoe Heating and Air | 58 | 5.0★ (6) | Mandan, 1 mi away | 24/7 | — |
| 10 | A+ Services | 58 | 4.9★ (27) | Bismarck | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,622 Google reviews, the most in Bismarck.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #2 because of its Google rating and trade focus: 4.9★ from 518 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #3 because of its Google rating and trade focus: 4.9★ from 181 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #4 because of its Google rating and trade focus: 4.8★ from 122 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #5 because of its Google rating and trade focus: 4.6★ from 147 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #6 because of its Google rating and trade focus: 4.7★ from 70 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #7 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #8 because of its Google rating and trade focus: 4.0★ from 74 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 1 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #10 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bismarck
Ranked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #12 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 12 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 10 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #15 because of its Google rating and trade focus: 4.3★ from 61 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #16 because of its Google rating and trade focus: 4.6★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 1 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #18 because of its Google rating and trade focus: 4.8★ from 145 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #19 because of its Google rating and trade focus: 4.3★ from 21 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #20 because of its Google rating and trade focus: 4.4★ from 19 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #21 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 5 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 35 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #23 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 1 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
Ranked #25 because of its Google rating and trade focus: 4.2★ from 6 Google reviews, listed on Google as “Air conditioning 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 #36, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Dirk Plumbing & Heating Inc | 53 | 4.3★ (12) | 4 mi |
| 27 | Beyond compare heating & Air inc. | 53 | 5.0★ (6) | 3 mi |
| 28 | Western Edge Heating and Air | 52 | 4.4★ (5) | 1 mi |
| 29 | West Dakota Heating & Air | 52 | 5.0★ (3) | In Bismarck |
| 30 | Curt's Installation | 52 | 4.1★ (13) | In Bismarck |
| 31 | Runway Heating & Air | 51 | 5.0★ (4) | 6 mi |
| 32 | Bauer Plumbing & Heating Inc | 51 | 4.3★ (43) | In Bismarck |
| 33 | Foleys Plumbing and Heating | 50 | 5.0★ (6) | In Bismarck |
| 34 | Mandan Plumbing & Heating | 49 | 4.1★ (33) | 5 mi |
| 35 | Schaff & Son's Repair Inc | 48 | 3.7★ (3) | 9 mi |
| 36 | Cofell's Plumbing Heating Inc | 45 | 1.4★ (19) | In Bismarck |
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| B-Plumbing & Heating Inc | 5.0★ (2) | 5 mi |
| Balancing Professionals Inc | In Bismarck | |
| Beyond Compare Heating & Air Inc | 2 mi | |
| Central Mechanical, INC | 5.0★ (2) | 8 mi |
| Chiller Systems Inc | In Bismarck | |
| Custom Aire | In Bismarck | |
| Dakota Air Systems | 5.0★ (2) | 3 mi |
| Frontier Plumbing & Heating Inc. | 3.0★ (2) | In Bismarck |
| G & R Controls | 3.0★ (2) | In Bismarck |
| HVAC Elements | In Bismarck | |
| J J's Plumbing & Heating | In Bismarck | |
| Missouri River Heating & Cooling | 16 mi | |
| No-Dak Plumbing & Heating | 5.0★ (1) | 8 mi |
| Runway Heating & Air | 5.0★ (2) | 17 mi |
| Schaff Heating & Air Llc | In Bismarck | |
| Seifert Electric | 5.0★ (3) | In Bismarck |
| Sparling Construction | 4.4★ (23) | In Bismarck |
| Top Solutions Cooling & Heating | In Bismarck | |
| Trane Commercial Sales Office | In Bismarck | |
| Yes Sir Plumbing & Heating | 3.0★ (2) | In Bismarck |
National price ranges in USD, not adjusted for Bismarck. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In North Dakota, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 36 Bismarck HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
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 | In Bismarck data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |