Skip to content
ContractorsRanked

Emergency HVAC Contractors in Lake Mills, WI (2026)

Top 50 of 89 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 Lake Mills: Cardinal Heating, Cooling, Plumbing & Electric, 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 Lake Mills at a glance

Top emergency HVAC contractors in Lake Mills at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cardinal Heating, Cooling, Plumbing & Electric924.9★ (4,888)Sun Prairie, 19 mi away24/7
2All Comfort Services904.8★ (3,441)Madison, 19 mi away24/7
324HR Home Comfort Services904.9★ (2,863)Milton, 21 mi away24/7
4Pat's Heating & Air Conditioning905.0★ (1,747)Oconomowoc, 22 mi away24/7
5Harker Heating & Cooling894.9★ (1,721)Madison, 23 mi away24/7
6High Tech Heating & A/C, Inc.894.9★ (362)Cottage Grove, 14 mi away24/7
7Action Plumbing, Heating, Air Conditioning and Electric, Inc.894.7★ (1,128)Sun Prairie, 17 mi away24/7
8Aire Serv of Madison884.9★ (497)McFarland, 20 mi away24/7
9TradeWinds Heating & Air Conditioning Inc.875.0★ (223)Madison, 21 mi away24/7
10Aire Serv of Oconomowoc874.9★ (291)Oconomowoc, 21 mi away24/7

Call an emergency HVAC contractor in Lake Mills 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 Lake Mills, 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 89 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.

Top 50 of 89 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 Lake Mills, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26A+ The Fix Refrigeration, Heating, and Air Conditioning805.0★ (4)22 mi
27Stritzel Heating, Inc.794.3★ (6)20 mi
28Robert's Plumbing & Heating INC784.5★ (32)20 mi
29Madison Refrigeration & Heating783.2★ (13)20 mi
30RuAh Heating & Cooling, LLC774.3★ (6)6 mi
31Andy's Heating & Cooling Inc744.9★ (37)21 mi
32Altitude HVAC735.0★ (10)19 mi
33TEMP-AIR, Inc.735.0★ (3)13 mi
34Godfroy Heating724.7★ (3)12 mi
35McCormick Refrigeration715.0★ (9)21 mi
36Germundson Heating & Cooling705.0★ (5)20 mi
37Four Seasons Comfort Systems693.8★ (4)19 mi
38Capitol Air Systems Inc693.3★ (4)19 mi
39Carew Heating & AC, Inc.654.9★ (1,166)12 mi
40Jensen Plumbing, Heating & Air, Inc.634.9★ (646)In Lake Mills
41Pratt Bros.604.7★ (36)7 mi
42Grenz Service Company LLC605.0★ (307)25 mi
43Lake Country Heating & Cooling604.8★ (136)16 mi
44Armstrong Heating & Cooling594.8★ (53)12 mi
45Latitude.43 HVAC (Heating & Cooling)594.9★ (158)20 mi
46Dave Jones - Plumbing, HVAC, Fire Protection, Electrical584.9★ (1,684)22 mi
47Klecker's Heating & Air Conditioning Inc584.6★ (33)11 mi
48Seasonal Survival HVAC584.7★ (89)18 mi
49Brown Heating & A/C Inc584.4★ (18)9 mi
50Richter Heating & Air Conditioning, Inc.584.7★ (112)20 mi

How we ranked emergency HVAC contractors in Lake Mills

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 Lake Mills: questions

Which HVAC contractors in Lake Mills are open 24/7?

25 on this list post 24/7 hours, including Cardinal Heating, Cooling, Plumbing & Electric, All Comfort Services, 24HR Home Comfort Services, Pat's Heating & Air Conditioning and Harker Heating & Cooling.

Who is ranked #1 for emergency heating and cooling in Lake Mills, WI?

Cardinal Heating, Cooling, Plumbing & Electric is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency HVAC contractors in Lake Mills 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 Lake Mills

  1. October 2026: CR Scores recalculated for 89 hvac contractors serving Lake Mills.

More emergency and heating and cooling pages