13 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Altamont: Metal Masters, Inc, CR Score 96/100; 4.9★ from 310 Google reviews; open 24/7.
Best for emergencies (open 24/7): Pacific Mechanical Heating & Cooling, posts 24/7 hours; ranked #2 of 13.
Most-reviewed: Bliss Heating and Air Conditioning, 326 Google reviews at 5.0★, the most of 13 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Altamont HVAC contractors are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 6 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.7★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Metal Masters, Inc | 96 | 4.9★ (310) | Klamath Falls, 2 mi away | 24/7 | Overall |
| 2 | Pacific Mechanical Heating & Cooling | 92 | 4.9★ (60) | Klamath Falls, 3 mi away | 24/7 | Emergencies |
| 3 | Cool Guyz Heating & Air Conditioning LLC | 88 | 4.6★ (29) | Altamont | 24/7 | — |
| 4 | Bob Hall's Heat & Air LLC | 88 | 4.2★ (25) | Klamath Falls, 1 mi away | 24/7 | — |
| 5 | Bliss Heating and Air Conditioning | 86 | 5.0★ (326) | Klamath Falls, 1 mi away | — | Most reviews |
| 6 | The Heat-N-Air Man | 85 | 4.5★ (33) | Klamath Falls, 3 mi away | Sat · Sun | — |
| 7 | Watt Heating & Air, LLC | 83 | 5.0★ (7) | Klamath Falls, 1 mi away | — | — |
| 8 | Klamath Falls Heating & Air Conditioning | 82 | 4.4★ (7) | Klamath Falls, 1 mi away | Sat · Sun · Evenings | — |
| 9 | United Mechanical Contractors, Inc. | 79 | 4.5★ (51) | Klamath Falls, 1 mi away | — | — |
| 10 | Seasons Change | 78 | 4.9★ (17) | Klamath Falls, 1 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 310 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 3 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 60 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Altamont
Ranked #3 because of its Google rating and availability: 4.6★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #4 because of its Google rating and availability: 4.2★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 326 Google reviews, the most Google reviews on this list (326).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #8 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Altamont
Ranked #11 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 1 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Klamath Falls, 2 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Altamont. 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 Oregon, Oregon Construction Contractors Board licenses Construction contractor license.
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
Oregon's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 13 Altamont HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Altamont data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |