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Emergency HVAC Contractors in Twin Lakes, WI (2026)

Top 50 of 350 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 Twin Lakes: Black Diamond Plumbing & Mechanical Inc., 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 Twin Lakes at a glance

Top emergency HVAC contractors in Twin Lakes at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Black Diamond Plumbing & Mechanical Inc.654.9★ (6,580)McHenry, 16 mi away24/7
2H. J. Faust, Inc. Heating and Air Conditioning644.9★ (1,340)Burlington, 9 mi away24/7
3Comfort Cavalry Heating & Air644.9★ (1,086)Antioch, 8 mi away24/7
4Command Service Center, INC645.0★ (745)Antioch, 9 mi away24/7
5Duane Blanton Plumbing, Sewer, Heating & Cooling634.7★ (2,290)Round Lake, 14 mi away24/7
6Thielmann Heating, Cooling & Plumbing625.0★ (458)Burlington, 10 mi away24/7
7Lake County Mechanical624.9★ (374)Antioch, 9 mi away24/7
8American Comfort Solution625.0★ (235)Antioch, 7 mi away24/7
9Master Services Inc.624.7★ (976)Lake Geneva, 14 mi away24/7
10Premier Comfort Heating & Cooling LLC624.9★ (371)Fox Lake, 11 mi away24/7

Call an emergency HVAC contractor in Twin Lakes 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 Twin Lakes, 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 350 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.

  9. #9 Master Services Inc.

    Based in Lake Geneva, 14 mi away

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.7★ from 976 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 976 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    N3481 Co Trunk H, Lake Geneva, WI 53147
    View profile for Master Services Inc.(262) 244-5650

  15. #15 The Thielmann Group

    Based in Waterford, 16 mi away

    61/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 448 Google reviews, listed on Google as “Heating contractor”.

    • 5.0★ from 448 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    107 N Milwaukee St, Waterford, WI 53185
    View profile for The Thielmann Group(262) 304-0009

  18. #18 GSHA Services, LTD

    Based in Woodstock, 19 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 747 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 747 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1257 Cobblestone Way Unit A, Woodstock, IL 60098
    View profile for GSHA Services, LTD(224) 220-3660

Top 50 of 350 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 Twin Lakes, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Althoff Home Services604.8★ (1,043)22 mi
27Comfort Air Heating & Cooling Inc604.7★ (185)11 mi
28First Call Heating & Cooling604.9★ (1,103)24 mi
29Kern Heating & Cooling Co.604.7★ (1,162)21 mi
30WeatherWise Heating & AC repair604.8★ (744)20 mi
31Rellaire Smart Home Systems604.9★ (472)19 mi
32The Pure Air Experts605.0★ (108)12 mi
33Broadway Heating and Cooling LLC605.0★ (33)5 mi
34Gleason Plumbing, Heating and Air604.8★ (420)18 mi
35Herchenbach Mechanical Inc.604.9★ (576)21 mi
36Allied Air Conditioning & Heating Corp.605.0★ (428)21 mi
37Legacy Home Services604.9★ (571)22 mi
38Edelman Heating, Cooling, Plumbing, Electric & Solar594.8★ (396)19 mi
39Absolute Comfort HVAC LLC595.0★ (201)18 mi
40Combined Services HVAC594.8★ (175)15 mi
41Alex’s Duct Cleaning595.0★ (269)20 mi
42Heating & Cooling Solutions594.9★ (322)20 mi
43South Shore Heating, Air Conditioning and Hydronic INC594.9★ (502)23 mi
44Duane Blanton Plumbing, Sewer, Heating & Cooling594.9★ (105)14 mi
45Four Seasons Heating, Air Conditioning, Plumbing, & Electric594.8★ (460)22 mi
46Active Heating & Cooling594.9★ (74)13 mi
47Air Systems, Inc.594.8★ (277)19 mi
48Legendary Service Inc.595.0★ (292)23 mi
49Triple Tech Services594.8★ (232)19 mi
50Genoa City Heating & Cooling Inc.595.0★ (13)4 mi

How we ranked emergency HVAC contractors in Twin Lakes

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 Twin Lakes: questions

Which HVAC contractors in Twin Lakes are open 24/7?

25 on this list post 24/7 hours, including Black Diamond Plumbing & Mechanical Inc., H. J. Faust, Inc. Heating and Air Conditioning, Comfort Cavalry Heating & Air, Command Service Center, INC and Duane Blanton Plumbing, Sewer, Heating & Cooling.

Who is ranked #1 for emergency heating and cooling in Twin Lakes, WI?

Black Diamond Plumbing & Mechanical Inc. is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Twin Lakes 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?

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

Update log for Twin Lakes

  1. October 2026: CR Scores recalculated for 350 hvac contractors serving Twin Lakes.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages