51 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oak Harbor: CM Heating, CR Score 63/100; 5.0★ from 1,208 Google reviews; open 24/7.
Best for emergencies (open 24/7): Foss Heating & Cooling, posts 24/7 hours; ranked #2 of 51.
Most-reviewed: CPI Plumbing & Heating, 2,955 Google reviews at 4.8★, the most of 51 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Oak Harbor HVAC contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 25 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.7★ across 51 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CM Heating | 63 | 5.0★ (1,208) | Mount Vernon, 18 mi away | 24/7 | Overall |
| 2 | Foss Heating & Cooling | 62 | 4.9★ (914) | Mount Vernon, 16 mi away | 24/7 | Emergencies |
| 3 | CPI Plumbing, Heating & Cooling | 62 | 4.9★ (784) | Oak Harbor | 24/7 | — |
| 4 | Ronk Brothers Heating, Cooling, and Electrical | 60 | 4.9★ (841) | Sedro-Woolley, 24 mi away | 24/7 | — |
| 5 | CPI Plumbing & Heating | 60 | 4.8★ (2,955) | Mount Vernon, 16 mi away | 24/7 | Most reviews |
| 6 | Dapper Plumbing, Heating, and Electrical | 60 | 4.8★ (625) | Marysville, 22 mi away | 24/7 | — |
| 7 | Ronk Brothers Heating, Cooling, and Electrical | 59 | 5.0★ (99) | Anacortes, 15 mi away | 24/7 | — |
| 8 | LaVergne's Plumbing & Heating | 59 | 4.6★ (264) | Anacortes, 15 mi away | 24/7 | — |
| 9 | Barron Heating AC Electrical & Plumbing | 58 | 4.9★ (186) | Arlington, 21 mi away | 24/7 | — |
| 10 | Island Heating & A/C Inc. | 58 | 4.7★ (310) | Oak Harbor | — | — |
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 1,208 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 914 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #3 because of its Google rating and review volume: 4.9★ from 784 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sedro-Woolley, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 841 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 16 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 2,955 Google reviews, the most in Oak Harbor.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 625 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anacortes, 15 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anacortes, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 264 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 186 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #10 because of its Google rating and trade focus: 4.7★ from 310 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 117 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 25 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 226 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 198 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Townsend, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 768 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #15 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camano, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #17 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Burlington, 18 mi away
Ranked #18 because of its Google rating and trade focus: 4.3★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #19 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Burlington, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 64 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 24 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 364 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Harbor
Ranked #23 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Fireplace store”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Townsend, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 5 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 #50, in CR Score order; each links to its profile. We publish the top 50 of 51 ranked HVAC contractors here; the rest are on their profiles.
18 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 |
|---|---|---|
| Anytime Service | In Oak Harbor | |
| Apex Radiant Heating | 5.0★ (2) | 17 mi |
| Cascade Climate | 24 mi | |
| Emerald City Furnace Replacement | 9 mi | |
| Evergreen Ductless Solutions, LLC | 10 mi | |
| Home Comfort Alliance - Mt. Vernon | 5.0★ (2) | 17 mi |
| Jones Plumbing & Heating | 1.0★ (1) | 24 mi |
| Kayn's Heating and Cooling | 5.0★ (2) | 24 mi |
| Marshalls Heating & AC | 3.0★ (2) | 12 mi |
| Meyer Heating | 16 mi | |
| Pacific Northwest Refrigeration & Heating | 20 mi | |
| Pathfinder HVAC | 24 mi | |
| Ronk Brothers Heating | 14 mi | |
| South Whidbey Services LLC | 5.0★ (2) | 20 mi |
| Thomas Mechanical | 5.0★ (2) | 24 mi |
| Twin City Plumbing & Radiant Heat Inc. | 3.0★ (2) | 14 mi |
| Valley Stove Works | 5.0★ (1) | 16 mi |
| Washington Air Conditioning Systems | 5.0★ (1) | 14 mi |
National price ranges in USD, not adjusted for Oak Harbor. 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 |
Washington'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 51 Oak Harbor 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 23, 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 Oak Harbor 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 |