362 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Snohomish: CM Heating, CR Score 66/100; 4.9★ from 7,548 Google reviews; open 24/7.
Best for emergencies (open 24/7): Seatown Electric Plumbing Heating and Air, posts 24/7 hours; ranked #2 of 362.
Most-reviewed: Seatown Electric Plumbing Heating and Air, 6,184 Google reviews at 4.8★, the most of 362 ranked after CM Heating; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
362 Snohomish HVAC contractors are ranked here by CR Score, from ten published factors. 93 are open 24/7, 228 open Saturdays and 186 open Sundays, based on posted hours. The median Google rating is 4.9★ across 362 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CM Heating | 66 | 4.9★ (7,548) | Everett, 8 mi away | 24/7 | Overall |
| 2 | Seatown Electric Plumbing Heating and Air | 65 | 4.8★ (6,184) | Mukilteo, 9 mi away | 24/7 | Emergencies, Most reviews |
| 3 | All Heating | 65 | 4.9★ (680) | Snohomish | 24/7 | — |
| 4 | South West Plumbing, Heating, Air & Electric | 64 | 5.0★ (1,245) | Marysville, 11 mi away | 24/7 | — |
| 5 | Ballard Natural Gas Service | 63 | 4.9★ (1,457) | Lynnwood, 10 mi away | 24/7 | — |
| 6 | Day & Nite Plumbing & Heating, Inc. | 63 | 4.8★ (1,639) | Lynnwood, 8 mi away | 24/7 | — |
| 7 | HotWire Furnace, Air Conditioning & Appliance Repair Bothell | 63 | 4.9★ (1,238) | Bothell, 11 mi away | 24/7 | — |
| 8 | Harts Plumbers, Electricians, & HVAC Technicians | 63 | 4.9★ (823) | Lynnwood, 10 mi away | 24/7 | — |
| 9 | Prime Systems Heating and Air Conditioning | 63 | 5.0★ (113) | Snohomish | 24/7 | — |
| 10 | BelRed Heating, Cooling, Plumbing & Electrical | 62 | 4.8★ (5,444) | Woodinville, 11 mi away | — | — |
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 review volume: 4.9★ from 7,548 Google reviews, the most in Snohomish.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mukilteo, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 6,184 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish
Ranked #3 because of its Google rating and trade focus: 4.9★ from 680 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 11 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 1,245 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,457 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,639 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bothell, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,238 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 823 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish
Ranked #9 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodinville, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 5,444 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Seattle, 19 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 4,041 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 641 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 5 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 145 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 541 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 10 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 707 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mill Creek, 7 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynnwood, 10 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mukilteo, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Stevens, 4 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish
Ranked #20 because of its Google rating and trade focus: 4.9★ from 1,689 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Redmond, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 675 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Stevens, 5 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 176 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mountlake Terrace, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 365 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 8 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 204 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mountlake Terrace, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 2,082 Google reviews, listed on Google as “HVAC 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 362 ranked HVAC contractors here; the rest are on their profiles.
20 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 |
|---|---|---|
| A-Quality Heating and Air Conditioning LLC | 5.0★ (11) | 4 mi |
| Accurate Electric & Service | 4.2★ (5) | In Snohomish |
| Affordable WA Backflow Testing | 3.7★ (10) | In Snohomish |
| Altitude Heating and Cooling | 5.0★ (37) | 9 mi |
| BriKat Homes and Real Estate | 4.0★ (7) | In Snohomish |
| Duro Heating | 5.0★ (2) | In Snohomish |
| First Call Heating and Air Conditioning | 5.0★ (14) | 5 mi |
| Heattransfer HVAC | 3.0★ (2) | 10 mi |
| HVAC Local Systems | 5.0★ (2) | 7 mi |
| Kodiak Heating and Cooling | 4.9★ (73) | 11 mi |
| Lakeside Plumbing & Heating | 3.5★ (2) | 14 mi |
| PM Heating LLC | 5.0★ (2) | 9 mi |
| PSP MECHANICS INC | 5.0★ (9) | 4 mi |
| Sammamish Heating & Cooling | 5.0★ (1) | In Snohomish |
| Seattle Heating and Cooling | 5.0★ (21) | 9 mi |
| SERVPRO of Everett / Lake Stevens / Monroe | 4.6★ (100) | In Snohomish |
| Skyline Heating & Cooling | 4.9★ (55) | 12 mi |
| Sound Comfort Heating | 5.0★ (2) | 5 mi |
| The Best HVAC Inc | 5.0★ (2) | 4 mi |
| TSS HVAC Services | 4.5★ (2) | 9 mi |
National price ranges in USD, not adjusted for Snohomish. 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 362 Snohomish 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 Snohomish 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 |