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Emergency HVAC Contractors in Mountlake Terrace, WA (2026)

Top 50 of 464 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Mountlake Terrace: CM Heating, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Mountlake Terrace at a glance

Top emergency HVAC contractors in Mountlake Terrace at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1CM Heating664.9★ (7,548)Everett, 11 mi away24/7
2Gene Johnson Plumbing664.8★ (4,041)Seattle, 6 mi away24/7
3Ballard Natural Gas Service654.9★ (1,457)Lynnwood, 3 mi away24/7
4Seatown Electric Plumbing Heating and Air654.8★ (6,184)Mukilteo, 10 mi away24/7
5HotWire Furnace, Air Conditioning & Appliance Repair Bothell654.9★ (1,238)Bothell, 3 mi away24/7
6Blue Flame Heating & Air Conditioning654.4★ (2,082)Mountlake Terrace24/7
7Day & Nite Plumbing & Heating, Inc.654.8★ (1,639)Lynnwood, 5 mi away24/7
8Harts Plumbers, Electricians, & HVAC Technicians654.9★ (823)Lynnwood, 3 mi away24/7
9Kings Heating, Air & Electric644.9★ (641)Lynnwood, 3 mi away24/7
10CM Heating644.9★ (541)Lynnwood, 2 mi away24/7

Call an emergency HVAC contractor in Mountlake Terrace now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Mountlake Terrace, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 464 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Mountlake Terrace

    #1 CM Heating

    Based in Everett, 11 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 7,548 Google reviews.

    • 4.9★ from 7,548 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1500 Industry St #200, Everett, WA 98203
    View profile for CM Heating(425) 287-5065

  2. #2 Gene Johnson Plumbing

    Based in Seattle, 6 mi away

    66/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 4,041 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 4,041 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10011 Greenwood Ave N, Seattle, WA 98133
    View profile for Gene Johnson Plumbing(360) 218-7611

  10. #10 CM Heating

    Based in Lynnwood, 2 mi away

    64/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 541 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 541 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5017 196th St SW Suite 208, Lynnwood, WA 98036
    View profile for CM Heating(425) 600-7767

  25. #25 All Heating

    Based in Snohomish, 14 mi away

    61/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 680 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 680 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8425 Fobes Rd, Snohomish, WA 98290
    View profile for All Heating(425) 743-5000

Top 50 of 464 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Mountlake Terrace, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26South West Plumbing, Heating, Air & Electric615.0★ (1,245)20 mi
27Cascadia Comfort615.0★ (123)7 mi
28Prime Systems Heating and Air Conditioning615.0★ (96)6 mi
29Sound Comfort Heating and Air Conditioning615.0★ (145)9 mi
30Greenwood Heating and Home Services614.7★ (204)8 mi
31South West Plumbing, Heating, Air, & Electric614.6★ (5,204)24 mi
32Prime Systems Heating and Air Conditioning615.0★ (113)8 mi
33Product Air Heating, Cooling, and Electric615.0★ (707)19 mi
34Dynamic Utility Services, Inc.615.0★ (43)3 mi
35Even Flo Heating And Air Conditioning, Inc.614.7★ (69)3 mi
36Titan Heating and Air605.0★ (29)1 mi
37Precision HVAC Lynnwood605.0★ (44)4 mi
38Adam&Sam brothers repair - Appliance & Refrigeration605.0★ (23)In Mountlake Terrace
39Fox Plumbing, Heating & Cooling (now a Gene Johnson company)604.8★ (2,264)25 mi
40AAA HVAC Solution Lynnwood605.0★ (41)4 mi
41ARANYA HOME SOLUTIONS605.0★ (25)2 mi
42Skyline Heating & Cooling604.9★ (55)6 mi
43Randall Air Conditioning & Heating605.0★ (29)4 mi
44Seattle Heating & Cooling604.9★ (77)9 mi
45Harts Plumbers, Electricians, & HVAC Technicians594.8★ (1,009)23 mi
46Prime HVAC Lynnwood Experts595.0★ (31)5 mi
47Advanced Heating & Cooling, Inc.594.8★ (435)20 mi
48OutToday | Heating, Plumbing, Electrical, & Air594.7★ (255)16 mi
49Ben’s Plumbing & Drain Cleaning594.9★ (134)16 mi
50Innovation HVAC LLC594.9★ (39)9 mi

How we ranked emergency HVAC contractors in Mountlake Terrace

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Mountlake Terrace: questions

Which HVAC contractors in Mountlake Terrace are open 24/7?

25 on this list post 24/7 hours, including CM Heating, Gene Johnson Plumbing, Ballard Natural Gas Service, Seatown Electric Plumbing Heating and Air and HotWire Furnace, Air Conditioning & Appliance Repair Bothell.

Who is ranked #1 for emergency heating and cooling in Mountlake Terrace, WA?

CM Heating is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Mountlake Terrace ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Mountlake Terrace

  1. October 2026: CR Scores recalculated for 464 hvac contractors serving Mountlake Terrace.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages