44 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Belgrade: Monarch Heating & Cooling, CR Score 68/100; 4.9★ from 772 Google reviews; open 24/7.
Best for emergencies (open 24/7): Premier Systems, posts 24/7 hours; ranked #2 of 44.
Most-reviewed: Williams Plumbing & Heating, 911 Google reviews at 4.8★, the most of 44 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
44 Belgrade HVAC contractors are ranked here by CR Score, from ten published factors. 17 are open 24/7, 20 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.9★ across 44 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Monarch Heating & Cooling | 68 | 4.9★ (772) | Belgrade | 24/7 | Overall |
| 2 | Premier Systems | 66 | 4.9★ (688) | Bozeman, 7 mi away | 24/7 | Emergencies |
| 3 | Ambient Air Solutions | 66 | 4.9★ (518) | Bozeman, 6 mi away | 24/7 | — |
| 4 | Mountain Heating and Cooling | 65 | 4.9★ (534) | Bozeman, 8 mi away | 24/7 | — |
| 5 | Summit Air Heating and Cooling | 65 | 5.0★ (109) | Belgrade | 24/7 | — |
| 6 | Williams Plumbing & Heating | 64 | 4.8★ (911) | Belgrade | 24/7 | Most reviews |
| 7 | Rocky Mountain Heating & Cooling | 63 | 4.9★ (377) | Belgrade | 24/7 | — |
| 8 | A Quality Air | 63 | 5.0★ (42) | Belgrade | 24/7 | — |
| 9 | Polar Aire | 62 | 5.0★ (26) | Belgrade | 24/7 | — |
| 10 | Hometown Heating & Cooling | 62 | 5.0★ (328) | Belgrade | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
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: 4.9★ from 772 Google reviews, listed on Google as “Furnace repair service”.
Based in Bozeman, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 688 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 518 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 534 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #5 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #6 because of its Google rating and review volume: 4.8★ from 911 Google reviews, the most in Belgrade.
Based in Belgrade
Ranked #7 because of its Google rating and trade focus: 4.9★ from 377 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #8 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #9 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #10 because of its Google rating and trade focus: 5.0★ from 328 Google reviews, listed on Google as “Furnace repair service”.
Based in Belgrade
Ranked #11 because of its Google rating and trade focus: 4.9★ from 393 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #12 because of its Google rating and trade focus: 4.5★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 7 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #14 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 8 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #16 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Heating contractor”.
Based in Belgrade
Ranked #17 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.4★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #19 because of its Google rating and trade focus: 4.8★ from 201 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #20 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #21 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based in Bozeman, 8 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based in Belgrade
Ranked #23 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Heating contractor”.
Based in Belgrade
Ranked #24 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Heating contractor”.
Based in Belgrade
Ranked #25 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #44, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Echelon Heating | 55 | 5.0★ (4) | 8 mi |
| 27 | Gallatin River Heating And Cooling | 55 | 4.6★ (10) | In Belgrade |
| 28 | Ace-Kelly Hall Plumbing & Heating | 55 | 4.8★ (23) | In Belgrade |
| 29 | Temp Right Service | 54 | 5.0★ (20) | 9 mi |
| 30 | Mays Heating & Cooling | 53 | 5.0★ (3) | In Belgrade |
| 31 | Harvey's | 52 | 4.0★ (13) | 7 mi |
| 32 | Bell Plumbing & Heating Inc | 52 | 5.0★ (10) | 10 mi |
| 33 | Mr. Master Plumbing and Heating | 51 | 5.0★ (10) | In Belgrade |
| 34 | 3 Brothers Plumbing & Heating | 51 | 4.4★ (20) | In Belgrade |
| 35 | Independent Power | 51 | 4.9★ (114) | 8 mi |
| 36 | McLees Incorporated | 51 | 4.9★ (38) | In Belgrade |
| 37 | BC Plumbing & Heating, Inc | 51 | 5.0★ (9) | In Belgrade |
| 38 | Redline Plumbing and Heating | 50 | 4.5★ (30) | 7 mi |
| 39 | Big Sky Radiant | 49 | 5.0★ (8) | 20 mi |
| 40 | Ridgeline Plumbing and Heating | 49 | 4.0★ (4) | In Belgrade |
| 41 | Central Plumbing & Heating | 49 | 3.8★ (4) | In Belgrade |
| 42 | Don's Plumbing Heating & Super Rtr | 48 | 2.3★ (6) | In Belgrade |
| 43 | Dave's Electric | 48 | 4.7★ (18) | 5 mi |
| 44 | Mcguffey's Hot Water & Plumbing | 47 | 5.0★ (3) | In Belgrade |
13 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 |
|---|---|---|
| 2nd Nature Plumbing and Heating LLC | In Belgrade | |
| Absolute HVAC Mechanical | In Belgrade | |
| atlas | 6 mi | |
| Bobcat Plumbing & Heating | 5.0★ (1) | In Belgrade |
| Bozeman Mechanical, LLC | 5.0★ (2) | 9 mi |
| Excel Plumbing & Heating LLC | 15 mi | |
| Independent HVAC | 10 mi | |
| Johnson Controls Bozeman Branch Office | 5.0★ (1) | 8 mi |
| Montana Climate Control | 3.0★ (2) | In Belgrade |
| Powerhouse LLC | 5.0★ (2) | 9 mi |
| Powers Heating Llc | 5.0★ (2) | In Belgrade |
| Summit Air Heating & Cooling | In Belgrade | |
| The HVAC Experts | In Belgrade |
National price ranges in USD, not adjusted for Belgrade. 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 Montana, 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 44 Belgrade 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 Belgrade 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 |