20 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sequim: Air Flo Heating Co. Inc, CR Score 86/100; 4.9★ from 979 Google reviews.
Best for emergencies (open 24/7): Clemco Heating & Cooling, posts 24/7 hours; ranked #2 of 20.
Most-reviewed: Frederickson Electric Inc, 768 Google reviews at 5.0★, the most of 20 ranked after Air Flo Heating Co. Inc; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Sequim HVAC contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 6 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.8★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Flo Heating Co. Inc | 86 | 4.9★ (979) | Sequim | — | Overall |
| 2 | Clemco Heating & Cooling | 83 | 2.0★ (8) | Sequim | 24/7 | Emergencies |
| 3 | Frederickson Electric Inc | 82 | 5.0★ (768) | Port Townsend, 14 mi away | — | Most reviews |
| 4 | Peninsula Heat | 82 | 4.8★ (223) | Sequim | — | — |
| 5 | Bill Mair Heating and Air, Inc | 78 | 4.7★ (30) | Sequim | — | — |
| 6 | Jet Plumbing & Heating LLC | 78 | 4.9★ (141) | Port Townsend, 16 mi away | Sat | — |
| 7 | Gary's Plumbing & Heating | 77 | 3.9★ (21) | Port Angeles, 12 mi away | 24/7 | — |
| 8 | Nice Guy Heating and Air | 77 | 5.0★ (15) | Port Angeles, 15 mi away | Sat | — |
| 9 | Knight Heating and Cooling | 77 | 4.7★ (37) | Sequim | — | — |
| 10 | Thorne's Refrigeration | 76 | 5.0★ (8) | Port Angeles, 14 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 review volume: 4.9★ from 979 Google reviews, the most Google reviews on this list (979).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sequim
Ranked #2 because of its Google rating and availability: 2.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Townsend, 14 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 768 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sequim
Ranked #4 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sequim
Ranked #5 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Townsend, 16 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 141 Google reviews, 141 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Angeles, 12 mi away
Ranked #7 because of its Google rating and availability: 3.9★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Angeles, 15 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sequim
Ranked #9 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Angeles, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sequim
Ranked #11 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oak Harbor, 22 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Angeles, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 60 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Townsend, 16 mi away
Ranked #14 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Port Angeles, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Angeles, 12 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Camano, 20 mi away
Ranked #17 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sequim
Ranked #18 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Port Townsend, 13 mi away
Ranked #19 because of its Google rating and trade focus: 3.4★ from 8 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Camano, 16 mi away
Ranked #20 because of its Google rating and review volume: 4.2★ from 58 Google reviews, 58 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
6 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 |
|---|---|---|
| Absolute Air Inc | 1.0★ (1) | 13 mi |
| Excel Plumbing & Heating | 5.0★ (1) | In Sequim |
| Hurricane Heat | 22 mi | |
| Marshalls Heating & AC | 3.0★ (2) | 24 mi |
| Northwest Ductless | 5.0★ (1) | 16 mi |
| SERVPRO of Clallam and Jefferson County | 4.3★ (46) | In Sequim |
National price ranges in USD, not adjusted for Sequim. 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 20 Sequim 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 Sequim 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 |