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Emergency HVAC Contractors in Lone Tree, CO (2026)

Top 50 of 845 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 Lone Tree: Plumbline Services, 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 Lone Tree at a glance

Top emergency HVAC contractors in Lone Tree at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Plumbline Services934.7★ (9,085)Centennial, 4 mi away24/7
2888 Heating & Air Conditioning934.9★ (1,310)Centennial, 2 mi away24/7
3Nytech Heating, Cooling, and Plumbing925.0★ (2,828)Castle Rock, 12 mi away24/7
4Behold Heating and Cooling | Denver HVAC925.0★ (371)Englewood, 1 mi away24/7
5Elkhorn Heating, Air Conditioning, Plumbing & Electrical914.9★ (1,799)Littleton, 8 mi away24/7
61st Choice Pro Services914.9★ (969)Parker, 7 mi away24/7
7Aim High HVAC915.0★ (760)Littleton, 8 mi away24/7
8Premier Heating and Air914.7★ (1,502)Greenwood Village, 5 mi away24/7
9PS Cool Heat914.9★ (405)Littleton, 3 mi away24/7
10ROX Heating & Air914.9★ (732)Littleton, 7 mi away24/7

Call an emergency HVAC contractor in Lone Tree 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 Lone Tree, 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 845 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Lone Tree

    #1 Plumbline Services

    Based in Centennial, 4 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and availability: 4.7★ from 9,085 Google reviews, open 24/7.

    • 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

  7. #7 Aim High HVAC

    Based in Littleton, 8 mi away

    91/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 760 Google reviews, open 24/7.

    • 5.0★ from 760 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9933 Titan Park Cir, Littleton, CO 80125
    View profile for Aim High HVAC(720) 445-4497

  9. #9 PS Cool Heat

    Based in Littleton, 3 mi away

    91/100CR Score

    Ranked #9 because of its Google rating and availability: 4.9★ from 405 Google reviews, open 24/7.

    • 4.9★ from 405 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4466 E Hunterwood Dr, Littleton, CO 80130
    View profile for PS Cool Heat(720) 285-0145

  10. #10 ROX Heating & Air

    Based in Littleton, 7 mi away

    91/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 732 Google reviews, open 24/7.

    • 4.9★ from 732 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1745 Shea Center Dr 4th Floor, Littleton, CO 80129
    View profile for ROX Heating & Air(720) 468-0689

  11. #11 The Bee Heat & AC

    Based in Centennial, 4 mi away

    91/100CR Score

    Ranked #11 because of its Google rating and availability: 4.9★ from 466 Google reviews, open 24/7.

    • 4.9★ from 466 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14883 E Hinsdale Ave Unit 2, Centennial, CO 80112
    View profile for The Bee Heat & AC(720) 303-3441

  12. #12 Allen Service

    Based in Denver, 11 mi away

    91/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 2,301 Google reviews, open 24/7.

    • 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

  13. #13 HomeSmart

    Based in Centennial, 2 mi away

    90/100CR Score

    Ranked #13 because of its Google rating and availability: 4.6★ from 889 Google reviews, open 24/7.

    • 4.6★ from 889 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6675 South Kenton Street Suite 100, Centennial, CO 80111
    View profile for HomeSmart(855) 463-7526

  22. #22 Coyote HVAC

    Based in Centennial, 4 mi away

    90/100CR Score

    Ranked #22 because of its Google rating and availability: 4.7★ from 576 Google reviews, open 24/7.

    • 4.7★ from 576 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14251 E Fremont Ave, Centennial, CO 80112
    View profile for Coyote HVAC(720) 370-4254

Top 50 of 845 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 Lone Tree, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Squeaks Services Plumbing Heating & Air - Denver904.8★ (1,846)13 mi
27Supreme Home Services904.9★ (103)In Lone Tree
28Jim Needham Heating Cooling Plumbing and Drain894.9★ (5,597)22 mi
291st Choice Pro Services894.8★ (230)3 mi
30Steel T Home Services894.8★ (906)10 mi
31Swan Plumbing, Heating & Air of Denver894.8★ (3,443)17 mi
32Emporia Home Services895.0★ (535)13 mi
33BEST HEATING COOLING & AIR895.0★ (172)8 mi
34Better Built Heating and Cooling895.0★ (149)7 mi
35Budget Heating And Cooling / Furnace / HVAC / Boilers894.8★ (327)8 mi
36ARS / Rescue Rooter884.5★ (3,114)13 mi
37Plumbline Services884.9★ (1,917)20 mi
38Jim Needham Heating Cooling Plumbing and Drain884.9★ (212)8 mi
39B&B Heating & Air Conditioning, Inc.884.9★ (1,352)19 mi
40Top Shelf Electric, Heating, & Plumbing884.9★ (1,211)3 mi
41Unified Heating, Air & Electric884.8★ (57)In Lone Tree
42Dad’s Heating & AC885.0★ (190)10 mi
43L & L Heating & Air Conditioning884.8★ (642)13 mi
44Simply Mechanical, AC, Furnace & Boiler Repair884.9★ (388)13 mi
45Jetson Home - Colorado884.9★ (68)3 mi
46Lou’s Heating & Cooling885.0★ (296)13 mi
47Ultimate Heating, Cooling, Plumbing & Electric884.8★ (1,215)16 mi
48AllSeason Heating, Air & Electric884.8★ (58)1 mi
49Mountain Air Comfort Systems884.9★ (285)12 mi
50Nordic Home Services884.9★ (76)4 mi

How we ranked emergency HVAC contractors in Lone Tree

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Lone Tree: questions

Which HVAC contractors in Lone Tree are open 24/7?

25 on this list post 24/7 hours, including Plumbline Services, 888 Heating & Air Conditioning, Nytech Heating, Cooling, and Plumbing, Behold Heating and Cooling | Denver HVAC and Elkhorn Heating, Air Conditioning, Plumbing & Electrical.

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

Plumbline Services is #1, with a CR Score of 93 out of 100 on emergency weights.

How are emergency HVAC contractors in Lone Tree ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Lone Tree

  1. October 2026: CR Scores recalculated for 845 hvac contractors serving Lone Tree.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages