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Emergency HVAC Contractors in Boulder, CO (2026)

Top 50 of 549 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 Boulder: Meyers Heating & Air Conditioning, 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 Boulder at a glance

Top emergency HVAC contractors in Boulder at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Meyers Heating & Air Conditioning644.8★ (607)Boulder24/7
2Mesa Plumbing, Heating and Cooling644.7★ (731)Boulder24/7
3Cooper Heating & Cooling634.8★ (4,647)Broomfield, 12 mi away24/7
4M and M Heating, Cooling, Plumbing and Electrical634.9★ (3,075)Longmont, 13 mi away24/7
5Canyon Plumbing & Heating, Inc634.8★ (268)Boulder24/7
6Jim Needham Heating Cooling Plumbing and Drain624.9★ (5,597)Thornton, 19 mi away24/7
7Welzig Heating, Air, Plumbing & Electric624.9★ (1,269)Longmont, 13 mi away24/7
8Fix-it 24/7 Plumbing, Heating, Air & Electric624.7★ (4,159)Golden, 17 mi away24/7
9Jones Brothers Plumbing & HVAC614.9★ (78)Boulder24/7
10PureComfort HVAC Repair614.9★ (74)Boulder24/7

Call an emergency HVAC contractor in Boulder 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 Boulder, 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 549 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.

  14. #14 Plumbline Services

    Based in Arvada, 18 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,917 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,917 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5980 W 59th Ave, Arvada, CO 80003
    View profile for Plumbline Services(303) 436-2525

  19. #19 Omni HVAC Repair

    Based in Boulder

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 55 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 55 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3970 Broadway, Boulder, CO 80304
    View profile for Omni HVAC Repair(720) 310-0890

Top 50 of 549 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 Boulder, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Tico HVAC LLC605.0★ (294)13 mi
27Apple Aire Heating & Cooling604.8★ (1,179)18 mi
28Swan Plumbing, Heating & Air of Denver604.8★ (3,443)24 mi
29D.N.I. Heating-Cooling-Refrigeration-Plumbing604.7★ (35)In Boulder
30Heart Heating, Cooling, Plumbing & Electric604.8★ (2,877)24 mi
31Unique Heating and Air Conditioning Inc.604.8★ (761)18 mi
32Daniel & Donna Plumbing Service, Inc - Broomfield, CO594.8★ (267)14 mi
33Mighty Pine Heating & Air594.9★ (550)19 mi
34Aire Serv of the Front Range595.0★ (244)16 mi
35Carbon Valley Heating and Air594.8★ (710)19 mi
36Tri Peaks Air594.9★ (467)18 mi
37Ace HVAC services inc.595.0★ (26)3 mi
38Ultimate Heating, Cooling, Plumbing & Electric594.8★ (1,215)22 mi
39Allen Service594.7★ (1,589)23 mi
40Controlling Systems Heating, AC, and Electrical Repair594.9★ (565)20 mi
41Colorado's Finest Heating and Air Conditioning594.9★ (205)15 mi
42DNI Heating, AC, Refrigeration, Plumbing & Electrical594.8★ (626)20 mi
43Nickel Mechanical595.0★ (12)In Boulder
44Tradewinds Heating and Cooling, Inc.594.9★ (346)18 mi
45Precise Total Air-Cleaning595.0★ (11)In Boulder
46AAA Service Plumbing, Heating & Electric594.8★ (12,904)21 mi
47Elemental Comfort Systems594.9★ (58)9 mi
48Timberline Mechanical System LLC593.8★ (46)In Boulder
49Ponderosa Heating, Air, Plumbing, Electrical595.0★ (328)20 mi
50Shepherd Heating and Air595.0★ (64)11 mi

How we ranked emergency HVAC contractors in Boulder

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 Boulder: questions

Which HVAC contractors in Boulder are open 24/7?

25 on this list post 24/7 hours, including Meyers Heating & Air Conditioning, Mesa Plumbing, Heating and Cooling, Cooper Heating & Cooling, M and M Heating, Cooling, Plumbing and Electrical and Canyon Plumbing & Heating, Inc.

Who is ranked #1 for emergency heating and cooling in Boulder, CO?

Meyers Heating & Air Conditioning is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Boulder 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 Boulder

  1. October 2026: CR Scores recalculated for 549 hvac contractors serving Boulder.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages