31 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Flagstaff: Confident Comfort Heating & Cooling, CR Score 68/100; 4.9★ from 624 Google reviews; open 24/7.
Best for emergencies (open 24/7): ACE Home Services, posts 24/7 hours; ranked #2 of 31.
Most-reviewed: Assurance Plumbing and Heating, 780 Google reviews at 4.9★, the most of 31 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Flagstaff HVAC contractors are ranked here by CR Score, from ten published factors. 9 are open 24/7, 13 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Confident Comfort Heating & Cooling | 68 | 4.9★ (624) | Flagstaff | 24/7 | Overall |
| 2 | ACE Home Services | 66 | 4.9★ (295) | Flagstaff | 24/7 | Emergencies |
| 3 | Fiscor Plumbing and Air | 64 | 4.8★ (119) | Flagstaff | 24/7 | — |
| 4 | Assurance Plumbing and Heating | 62 | 4.9★ (780) | Flagstaff | — | Most reviews |
| 5 | Mountain High Plumbing Inc | 61 | 4.1★ (97) | Flagstaff | 24/7 | — |
| 6 | MountainAir Flagstaff HVAC Repair | 60 | 5.0★ (16) | Flagstaff | 24/7 | — |
| 7 | Your Plumber, Heating & Air | 60 | 4.9★ (151) | Flagstaff | — | — |
| 8 | Papa Charlie's Heating-Cooling | 60 | 4.9★ (42) | Flagstaff | — | — |
| 9 | Campbell's A/C | 59 | 4.8★ (159) | Flagstaff | — | — |
| 10 | Inferno Heating Refrigeration & HVAC Flagstaff | 59 | 5.0★ (9) | Flagstaff | 24/7 | — |
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 trade focus: 4.9★ from 624 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #2 because of its Google rating and trade focus: 4.9★ from 295 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #3 because of its Google rating and trade focus: 4.8★ from 119 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #4 because of its Google rating and review volume: 4.9★ from 780 Google reviews, the most in Flagstaff.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #5 because of its Google rating and trade focus: 4.1★ from 97 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #6 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #7 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #8 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #9 because of its Google rating and trade focus: 4.8★ from 159 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #10 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #11 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #12 because of its Google rating and trade focus: 3.6★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #13 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Verde Village, 25 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #16 because of its Google rating and trade focus: 4.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #17 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #20 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #21 because of its Google rating and trade focus: 4.4★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #22 because of its Google rating and trade focus: 4.1★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #23 because of its Google rating and trade focus: 4.2★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #24 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sedona, 25 mi away
Ranked #25 because of its Google rating and review volume: 4.7★ from 694 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Roger's Custom Heating & Cooling | 54 | 4.6★ (10) | In Flagstaff |
| 27 | CozyHome | 53 | 5.0★ (91) | In Flagstaff |
| 28 | Hercules Industries Inc. | 52 | 3.7★ (3) | In Flagstaff |
| 29 | Shiloh Heating & Cooling LLC | 50 | 4.6★ (10) | 14 mi |
| 30 | Roof Dancers | 48 | 3.6★ (57) | In Flagstaff |
| 31 | Appliance Service Today | 47 | 3.5★ (91) | In Flagstaff |
15 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 |
|---|---|---|
| Ace Air Duct Services | 5.0★ (1) | In Flagstaff |
| Campbell's A/C | In Flagstaff | |
| Connolly Heating & Cooling | 5.0★ (2) | 24 mi |
| Endivo Plumbing | 4.8★ (28) | In Flagstaff |
| Evergreen Heating and Cooling | 16 mi | |
| Highlander Air | 5.0★ (2) | In Flagstaff |
| Lifelong Electric, Heating & Cooling LLC | In Flagstaff | |
| Master Mechanical Refrigeration Heating | 2.0★ (1) | In Flagstaff |
| Northern Arizona Mechanical Contracting, PLLC | In Flagstaff | |
| Ontime Air Duct Services | 5.0★ (1) | In Flagstaff |
| Plumbing & Electrical Concepts | 4.3★ (15) | In Flagstaff |
| Pueblo Mechanical & Controls | 5.0★ (1) | In Flagstaff |
| Q Bro's Construction | 5.0★ (1) | In Flagstaff |
| RKS Plumbing & Mechanical Inc. | 5.0★ (1) | In Flagstaff |
| Supreme HVAC/Duct Serives | 5.0★ (1) | 25 mi |
National price ranges in USD, not adjusted for Flagstaff. 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 Arizona, Arizona Registrar of Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
In Arizona, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 31 Flagstaff 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 Flagstaff 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 |