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Emergency HVAC Contractors in Denver, CO (2026)

Top 50 of 933 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 Denver: Absolute Plumbing, Electrical, Heating & Air, 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 Denver at a glance

Top emergency HVAC contractors in Denver at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Absolute Plumbing, Electrical, Heating & Air664.9★ (3,583)Denver24/7
2Golden West Plumbing, Heating, Air Conditioning, and Electrical664.8★ (3,635)Denver24/7
3Heart Heating, Cooling, Plumbing & Electric664.8★ (2,877)Denver24/7
4Allen Service664.8★ (2,301)Denver24/7
5Squeaks Services Plumbing Heating & Air - Denver654.8★ (1,846)Denver24/7
6Jim Needham Heating Cooling Plumbing and Drain654.9★ (5,597)Thornton, 8 mi away24/7
7Swan Plumbing, Heating & Air of Denver654.8★ (3,443)Commerce City, 6 mi away24/7
8Ultimate Heating, Cooling, Plumbing & Electric654.8★ (1,215)Denver24/7
9Plumbline Services644.9★ (1,917)Arvada, 6 mi away24/7
10Controlling Systems Heating, AC, and Electrical Repair644.9★ (565)Denver24/7

Call an emergency HVAC contractor in Denver 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 Denver, 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 933 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.

  4. #4 Allen Service

    Based in Denver

    66/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 2,301 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,301 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2101 S Platte River Dr unit b 2, Denver, CO 80223
    View profile for Allen Service(720) 806-2364

  9. #9 Plumbline Services

    Based in Arvada, 6 mi away

    64/100CR Score

    Ranked #9 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

  12. #12 Plumbline Services

    Based in Centennial, 13 mi away

    64/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 9,085 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 9,085 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7000 S Potomac St, Centennial, CO 80112
    View profile for Plumbline Services(720) 853-4555

  16. #16 Right Away Heating

    Based in Denver

    63/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 302 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 302 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    340 Santa Fe Dr, Denver, CO 80223
    View profile for Right Away Heating(720) 646-1962

  24. #24 Allen Service

    Based in Commerce City, 9 mi away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 1,589 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,589 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8661 Rosemary St, Commerce City, CO 80022
    View profile for Allen Service(303) 287-8000

Top 50 of 933 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 Denver, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mighty Plumbing Heating Air and Electric LLC.624.8★ (3,902)In Denver
27Priority Plumbing and Heating - Littleton624.8★ (963)8 mi
28All A/C & Heating Solutions, Inc625.0★ (377)5 mi
29ARS / Rescue Rooter624.5★ (3,114)10 mi
30Elkhorn Heating, Air Conditioning, Plumbing & Electrical624.9★ (1,799)13 mi
31Veteran Heating, Cooling, Plumbing & Electric624.9★ (153)In Denver
32Premier Heating and Air624.7★ (1,502)10 mi
33888 Heating & Air Conditioning624.9★ (1,310)12 mi
34Doctor Fix-It Plumbing, Heating, Cooling & Electric624.7★ (3,903)In Denver
35Lou’s Heating & Cooling625.0★ (296)6 mi
36Major Heating and Air Conditioning - Denver624.9★ (322)5 mi
37Tri Peaks Air624.9★ (467)8 mi
38Plumb Pros Inc624.6★ (678)6 mi
39Vectra Mechanical HVAC, Electrical and Plumbing624.9★ (309)6 mi
40AAA Service Plumbing, Heating & Electric624.8★ (12,904)10 mi
41Impact Heating & Cooling Inc.624.9★ (893)13 mi
42One Hour Heating & Air Conditioning® of Denver624.7★ (1,623)13 mi
43Tradewinds Heating and Cooling, Inc.624.9★ (346)7 mi
44Brown Brothers Plumbing & HVAC614.9★ (81)In Denver
45Unique Heating and Air Conditioning Inc.614.8★ (761)11 mi
46Wampa614.8★ (246)5 mi
47All Weather HVAC Denver614.6★ (134)In Denver
48ComfortFlow HVAC Service614.9★ (74)In Denver
49Precision Climate HVAC Service614.9★ (74)In Denver
50Brown Brothers Plumbing and HVAC614.9★ (72)In Denver

How we ranked emergency HVAC contractors in Denver

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 Denver: questions

Which HVAC contractors in Denver are open 24/7?

25 on this list post 24/7 hours, including Absolute Plumbing, Electrical, Heating & Air, Golden West Plumbing, Heating, Air Conditioning, and Electrical, Heart Heating, Cooling, Plumbing & Electric, Allen Service and Squeaks Services Plumbing Heating & Air - Denver.

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

Absolute Plumbing, Electrical, Heating & Air is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Denver 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 Denver

  1. October 2026: CR Scores recalculated for 933 hvac contractors serving Denver.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages