376 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Monroe: CM Heating, CR Score 93/100; 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 376.
Most-reviewed: Seatown Electric Plumbing Heating and Air, 6,184 Google reviews at 4.8★, the most of 376 ranked after CM Heating; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
376 Monroe HVAC contractors are ranked here by CR Score, from 8 published factors. 99 are open 24/7, 236 open Saturdays and 192 open Sundays, based on posted hours. The median Google rating is 4.9★ across 376 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CM Heating | 93 | 4.9★ (7,548) | Everett, 14 mi away | 24/7 | Overall |
| 2 | Seatown Electric Plumbing Heating and Air | 91 | 4.8★ (6,184) | Mukilteo, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | All Heating | 90 | 4.9★ (680) | Snohomish, 9 mi away | 24/7 | — |
| 4 | Ballard Natural Gas Service | 90 | 4.9★ (1,457) | Lynnwood, 14 mi away | 24/7 | — |
| 5 | HotWire Furnace, Air Conditioning & Appliance Repair Bothell | 90 | 4.9★ (1,238) | Bothell, 14 mi away | 24/7 | — |
| 6 | South West Plumbing, Heating, Air & Electric | 90 | 5.0★ (1,245) | Marysville, 17 mi away | 24/7 | — |
| 7 | Day & Nite Plumbing & Heating, Inc. | 90 | 4.8★ (1,639) | Lynnwood, 13 mi away | 24/7 | — |
| 8 | BelRed Heating, Cooling, Plumbing & Electrical | 89 | 4.8★ (5,444) | Woodinville, 11 mi away | — | — |
| 9 | Harts Plumbers, Electricians, & HVAC Technicians | 89 | 4.9★ (823) | Lynnwood, 14 mi away | 24/7 | — |
| 10 | Gene Johnson Plumbing | 89 | 4.8★ (4,041) | Seattle, 21 mi away | 24/7 | — |
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 7,548 Google reviews, the most Google reviews on this list (7,548).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mukilteo, 16 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 6,184 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Snohomish, 9 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 680 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynnwood, 14 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 1,457 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bothell, 14 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 1,238 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Marysville, 17 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 1,245 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynnwood, 13 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 1,639 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodinville, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 5,444 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lynnwood, 14 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 823 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 21 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 4,041 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Monroe
Ranked #11 because of its Google rating and availability: 4.8★ from 67 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynnwood, 16 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 641 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Snohomish, 8 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 113 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Everett, 10 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 145 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynnwood, 16 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 541 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Redmond, 14 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 675 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynnwood, 13 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 268 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mill Creek, 12 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 123 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 25 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 895 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kirkland, 13 mi away
Ranked #20 because of its Google rating and availability: 4.7★ from 454 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lake Stevens, 10 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 104 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mountlake Terrace, 17 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 153 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mukilteo, 16 mi away
Ranked #23 because of its Google rating and availability: 4.7★ from 601 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mountlake Terrace, 17 mi away
Ranked #24 because of its Google rating and availability: 4.8★ from 365 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 19 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 183 Google reviews, open 24/7.
Based on 6 of 8 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 376 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 |
|---|---|---|
| 5 Star Heating and Air | 5.0★ (2) | 11 mi |
| Adaptive HVAC LLC | 5.0★ (2) | 16 mi |
| Altitude Heating and Cooling | 5.0★ (37) | 12 mi |
| Bothell HVAC Services | 3.0★ (2) | 11 mi |
| Creative Plumbing Solutions | 4.8★ (25) | In Monroe |
| Epic Air Heating & Cooling, LLC | 5.0★ (2) | 12 mi |
| Green House Plumbing and Heating | 4.8★ (416) | 15 mi |
| Heattransfer HVAC | 3.0★ (2) | 10 mi |
| Home Comfort Solutions, LLC. | 5.0★ (2) | 8 mi |
| HVAC Local Systems | 5.0★ (2) | 13 mi |
| Kayn's Heating and Cooling | 5.0★ (2) | 24 mi |
| Kodiak Heating and Cooling | 4.9★ (73) | 17 mi |
| Lakeside Plumbing & Heating | 3.5★ (2) | 17 mi |
| Northwood Heating & Air Inc | 3.5★ (2) | 10 mi |
| PM Heating LLC | 5.0★ (2) | 12 mi |
| Sapphire Heating and Air | 5.0★ (2) | 16 mi |
| Sound Comfort Heating | 5.0★ (2) | 10 mi |
| The Best HVAC Inc | 5.0★ (2) | 9 mi |
| TSS HVAC Services | 4.5★ (2) | 16 mi |
| Zeppelin Enterprises, LLC. | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Monroe. 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 376 Monroe 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 Monroe 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 |