Skip to content
ContractorsRanked

Emergency HVAC Contractors in Millbrae, CA (2026)

Top 50 of 409 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 Millbrae: Heise's Plumbing, 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 Millbrae at a glance

Top emergency HVAC contractors in Millbrae at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Heise's Plumbing644.9★ (1,454)San Francisco, 9 mi away24/7
2Sugar Bear Home Services644.9★ (369)South San Francisco, 3 mi away24/7
3Cabrillo Plumbing, Heating & Air644.9★ (966)San Francisco, 10 mi away24/7
4Albert Nahman Plumbing, Heating, and Cooling634.7★ (3,311)Berkeley, 18 mi away24/7
5Fuse Service624.9★ (264)San Mateo, 7 mi away24/7
6Arch Plumbing Inc.624.9★ (286)San Francisco, 10 mi away24/7
7Bell Brothers Plumbing Heating & Air - Hayward614.7★ (863)Hayward, 15 mi away24/7
8Fuse service615.0★ (444)Palo Alto, 16 mi away24/7
9Service Hero Plumbing & Air614.5★ (1,252)Hayward, 15 mi away24/7
10Cabrillo Plumbing, Heating & Air615.0★ (208)Menlo Park, 13 mi away24/7

Call an emergency HVAC contractor in Millbrae 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 Millbrae, 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 409 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 Millbrae

    #1 Heise's Plumbing

    Based in San Francisco, 9 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,454 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    260 Ocean Ave, San Francisco, CA 94112
    View profile for Heise's Plumbing(415) 333-0704

  5. #5 Fuse Service

    Based in San Mateo, 7 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 264 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 264 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3 37th Ave, San Mateo, CA 94403
    View profile for Fuse Service(408) 702-2554

  6. #6 Arch Plumbing Inc.

    Based in San Francisco, 10 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 286 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    121 Quint St STE 5E, San Francisco, CA 94124
    View profile for Arch Plumbing Inc.(415) 325-2547

  8. #8 Fuse service

    Based in Palo Alto, 16 mi away

    61/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 444 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 444 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    349 Everett Ave, Palo Alto, CA 94301
    View profile for Fuse service(408) 412-9334

  15. #15 Belmont HVAC Pro

    Based in Belmont, 7 mi away

    60/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.7★ from 75 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 75 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2820 Hallmark Dr, Belmont, CA 94002
    View profile for Belmont HVAC Pro(650) 226-7222

  18. #18 Villquin Air Services

    Based in Hayward, 16 mi away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 172 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    27343 Industrial Blvd Suite H, Hayward, CA 94545
    View profile for Villquin Air Services(510) 405-1580

  20. #20 Local Plumbing

    Based in Sausalito, 19 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 211 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    323 Pine St Ste. F, Sausalito, CA 94965
    View profile for Local Plumbing(415) 636-9210

  22. #22 Electric Air

    Based in Redwood City, 13 mi away

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 72 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2684 Middlefield Rd Unit D, Redwood City, CA 94063
    View profile for Electric Air(650) 670-4860

Top 50 of 409 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 Millbrae, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26TRIO Heating, Air & Plumbing594.9★ (145)18 mi
27San Francisco Expert Heating and Air584.9★ (69)14 mi
28Fuse HVAC, Refrigeration, Electrical & Plumbing584.9★ (216)22 mi
29Alaska Refrigeration Air Conditioning & Heating Co584.9★ (130)20 mi
30Finest Heating & air584.9★ (87)18 mi
31California HVAC584.9★ (59)15 mi
32Glover & Son Heating & Air Conditioning [Recommended] Bay Area AC Repair584.8★ (122)20 mi
33Inner Sunset Top Heating and Air575.0★ (30)13 mi
34HVAC Redwood City575.0★ (33)13 mi
351st Heating And Cooling East Palo Alto575.0★ (46)16 mi
36Afterglow574.9★ (47)15 mi
37Eco Air Cooling and Heating575.0★ (28)13 mi
38Galaxy Heating & Air Conditioning574.7★ (25)11 mi
39Rooter Hero Plumbing & Air of San Leandro574.8★ (36)14 mi
40Fuse Service574.9★ (94)22 mi
41Alameda Island Heating & Air Conditioning LLC575.0★ (32)15 mi
42Trusted AC Repair Palo Alto575.0★ (36)16 mi
431-888-Heat-Pumps575.0★ (45)19 mi
44Sam's Refrigeration & AC INC575.0★ (5)5 mi
45Temescal AC Repair575.0★ (62)21 mi
46Excellent Repair574.8★ (43)17 mi
47Roofsky Air Duct Cleaning Service575.0★ (17)12 mi
48Eco Systems Heating & Air Conditioning564.8★ (138)25 mi
49The Clean Sky HVAC and Appliance Repair565.0★ (37)18 mi
50Green Mechanics Heating & AC Repair Specialists564.9★ (74)23 mi

How we ranked emergency HVAC contractors in Millbrae

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 Millbrae: questions

Which HVAC contractors in Millbrae are open 24/7?

25 on this list post 24/7 hours, including Heise's Plumbing, Sugar Bear Home Services, Cabrillo Plumbing, Heating & Air, Albert Nahman Plumbing, Heating, and Cooling and Fuse Service.

Who is ranked #1 for emergency heating and cooling in Millbrae, CA?

Heise's Plumbing is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Millbrae 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 Millbrae

  1. October 2026: CR Scores recalculated for 409 hvac contractors serving Millbrae.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages