23 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hermiston: ACES Heating & Cooling, CR Score 67/100; 5.0★ from 344 Google reviews; open 24/7.
Best for emergencies (open 24/7): Greater Purpose Heating & Cooling, LLC, posts 24/7 hours; ranked #2 of 23.
Most-reviewed: Bruce Mechanical, Inc., 992 Google reviews at 4.9★, the most of 23 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
23 Hermiston HVAC contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 10 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 23 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ACES Heating & Cooling | 67 | 5.0★ (344) | Hermiston | 24/7 | Overall |
| 2 | Greater Purpose Heating & Cooling, LLC | 61 | 4.8★ (71) | Umatilla, 6 mi away | 24/7 | Emergencies |
| 3 | Eclipse Heating and Cooling | 61 | 4.2★ (133) | Hermiston | 24/7 | — |
| 4 | Eastern Oregon Heating and Air Conditioning LLC | 60 | 4.9★ (254) | Hermiston | — | — |
| 5 | Bruce Heating & Air Conditioning, Inc. | 60 | 4.8★ (291) | Hermiston | — | — |
| 6 | Aircare Heating and Air Conditioning | 59 | 5.0★ (165) | Richland, 25 mi away | 24/7 | — |
| 7 | All American Heating & Cooling LLC | 57 | 4.7★ (81) | Hermiston | — | — |
| 8 | Bruce Mechanical, Inc. | 57 | 4.9★ (992) | Kennewick, 23 mi away | — | Most reviews |
| 9 | Quality Heating & Cooling LLC | 56 | 4.8★ (32) | Hermiston | — | — |
| 10 | Hendon Construction | 55 | 4.7★ (3) | Hermiston | — | — |
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: 5.0★ from 344 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Umatilla, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 71 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #3 because of its Google rating and trade focus: 4.2★ from 133 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #4 because of its Google rating and trade focus: 4.9★ from 254 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #5 because of its Google rating and trade focus: 4.8★ from 291 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richland, 25 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #7 because of its Google rating and trade focus: 4.7★ from 81 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kennewick, 23 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 992 Google reviews, the most in Hermiston.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #9 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #10 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Umatilla, 5 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Umatilla, 6 mi away
Ranked #12 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kennewick, 23 mi away
Ranked #13 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 Hermiston
Ranked #14 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #15 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 Kennewick, 24 mi away
Ranked #16 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 Kennewick, 24 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #18 because of its Google rating and trade focus: 4.1★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermiston
Ranked #19 because of its Google rating and trade focus: 2.5★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pendleton, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pendleton, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 34 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Richland, 25 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kennewick, 25 mi away
Ranked #23 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
7 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 |
|---|---|---|
| 70 Degrees Heating and Cooling LLC | In Hermiston | |
| Eastern Oregon Mechanical | In Hermiston | |
| Lennox Air Conditioning | 1.0★ (1) | In Hermiston |
| Quality Heating & Cooling | In Hermiston | |
| Southland Industries | 5.0★ (1) | 25 mi |
| Three D Heating & Air | 5.0★ (2) | In Hermiston |
| Twin Rivers Heating and Cooling LLC | 5.0★ (1) | 15 mi |
National price ranges in USD, not adjusted for Hermiston. 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 23 Hermiston 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 Hermiston 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 |