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Best HVAC Contractors in Beaver Dam, WI (2026)

26 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Beaver Dam: TRAG HVAC, LLC, CR Score 62/100; 5.0★ from 35 Google reviews; open 24/7.

  2. 9

    Best for emergencies (open 24/7): Affordable Services, posts 24/7 hours; ranked #9 of 26.

  3. 4

    Most-reviewed: Carew Heating & AC, Inc., 1,166 Google reviews at 4.9★, the most of 26 ranked; ranked #4.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

26 Beaver Dam HVAC contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 4 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 26 rated businesses.

Top 10 HVAC contractors in Beaver Dam at a glance

Top 10 HVAC contractors in Beaver Dam at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1TRAG HVAC, LLC625.0★ (35)Beaver Dam24/7Overall
2Sure-Fire, Inc.624.9★ (479)Beaver Dam——
3JB Mechanical, LLC614.9★ (285)Beaver Dam——
4Carew Heating & AC, Inc.584.9★ (1,166)Watertown, 20 mi away—Most reviews
5Air Care Inc574.8★ (54)Beaver Dam——
6All-Phase HVAC LLC575.0★ (156)Waupun, 12 mi away——
7HK Air Duct Cleaning565.0★ (21)Beaver Dam——
8Roets Home Heating & Air Conditioning565.0★ (31)Waupun, 13 mi away——
9Affordable Services565.0★ (10)Germantown, 16 mi away24/7Emergencies
10Sawejka Enterprises, Inc.554.7★ (15)Beaver Dam——

The 26 best HVAC contractors in Beaver Dam, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Beaver Dam

    #1 TRAG HVAC, LLC

    Based in Beaver Dam

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 35 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for TRAG HVAC, LLC(920) 249-7555

  2. #2 Sure-Fire, Inc.

    Based in Beaver Dam

    62/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 479 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 479 Google reviews
    Hours
    Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    617 Washington St, Horicon, WI 53032
    View profile for Sure-Fire, Inc.(920) 485-4883

  3. #3 JB Mechanical, LLC

    Based in Beaver Dam

    61/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 285 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 285 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    805 Park Ave Ste. A, Beaver Dam, WI 53916
    View profile for JB Mechanical, LLC(920) 210-8615

  4. #4 Carew Heating & AC, Inc.

    Based in Watertown, 20 mi away

    58/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.9★ from 1,166 Google reviews, the most in Beaver Dam.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 1,166 Google reviews
    Hours
    Mon–Thu 7 AM–4 PM · Fri 7 AM–3 PM · Sat–Sun closed
    Address
    1104 S 10th St, Watertown, WI 53094
    View profile for Carew Heating & AC, Inc.(920) 262-2288

  5. #5 Air Care Inc

    Based in Beaver Dam

    57/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 54 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    W8238 State Rd 33, Beaver Dam, WI 53916
    View profile for Air Care Inc(920) 356-8860

  6. #6 All-Phase HVAC LLC

    Based in Waupun, 12 mi away

    57/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 156 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 156 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    1804 Shaler Dr, Waupun, WI 53963
    View profile for All-Phase HVAC LLC(920) 763-2301

  7. #7 HK Air Duct Cleaning

    Based in Beaver Dam

    56/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 21 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    View profile for HK Air Duct Cleaning(920) 557-7117

  9. #9 Affordable Services

    Based in Germantown, 16 mi away

    56/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Affordable Services(262) 628-4384

  13. #13 White Plumbing & Heating

    Based in Beaver Dam

    53/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 49 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 49 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    105 Beltline Dr, Beaver Dam, WI 53916
    View profile for White Plumbing & Heating(920) 887-3454

  14. #14 Windsor Heating & Air Conditioning

    Based in Watertown, 17 mi away

    52/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 8 AM–9 PM · Sun 8 AM–8 PM
    Address
    W6616 Silver Creek Rd, Watertown, WI 53098
    View profile for Windsor Heating & Air Conditioning(920) 298-3462

  17. #17 Behm Heating & Cooling, LLC

    Based in Watertown, 20 mi away

    51/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1020 S 7th St, Watertown, WI 53094
    View profile for Behm Heating & Cooling, LLC(920) 261-9182

  18. #18 Stobb Plumbing & Heating, Inc.

    Based in Waupun, 13 mi away

    51/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.0★ from 17 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 17 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    932 W Main St, Waupun, WI 53963
    View profile for Stobb Plumbing & Heating, Inc.(920) 324-2281

  19. #19 TEMP-AIR, Inc.

    Based in Watertown, 17 mi away

    51/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 3 Google reviews
    Address
    N901 County Rd L, Watertown, WI 53098
    View profile for TEMP-AIR, Inc.(920) 261-3981

  21. #21 Altitude HVAC

    Based in Sun Prairie, 25 mi away

    50/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 10 Google reviews
    Address
    2920 Fern Dr, Sun Prairie, WI 53590
    View profile for Altitude HVAC(608) 516-6810

  22. #22 Dynamic HVAC

    Based in Watertown, 19 mi away

    50/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    N 598 Co Rd EM, Watertown, WI 53098
    View profile for Dynamic HVAC(920) 220-9117

  23. #23 Godfroy Heating

    Based in Watertown, 20 mi away

    50/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.7★ from 3 Google reviews
    Address
    1001 S 2nd St, Watertown, WI 53094
    View profile for Godfroy Heating(920) 261-5606

All 26 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile.

HVAC contractors in Beaver Dam, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26Walters Gas Service463.1★ (18)In Beaver Dam

Also serving Beaver Dam

11 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Beaver Dam
BusinessGoogle ratingDistance
Action Plumbing Heating AC & ElecIn Beaver Dam
All Hours Heating & Air Conditioning19 mi
Atomic Electric LLC5.0★ (12)In Beaver Dam
Beckers Heating and Air5.0★ (1)24 mi
DES Midwest Office19 mi
Designed Mechanical, Inc.5.0★ (1)10 mi
Heimerl Corporation5.0★ (28)In Beaver Dam
Roman Repairs18 mi
Sawejka EnterprisesIn Beaver Dam
Sure-Fire Inc5.0★ (2)In Beaver Dam
Total Comfort Insulation5.0★ (1)In Beaver Dam

How much do HVAC contractors cost in Beaver Dam?

National price ranges in USD, not adjusted for Beaver Dam. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Beaver Dam?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

When to hire an HVAC contractor in Wisconsin

In Wisconsin, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Beaver Dam HVAC contractors

We scored 26 Beaver Dam HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 23, 2026.

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 fromIn Beaver Dam data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Beaver Dam: frequently asked questions

Who is the best HVAC contractor in Beaver Dam?

By CR Score, the highest-ranked HVAC contractor in Beaver Dam, WI is TRAG HVAC, LLC with a CR Score of 62/100. It has 5.0★ from 35 Google reviews. It is open 24/7. Sure-Fire, Inc. (#2) and JB Mechanical, LLC (#3) follow. We ranked 26 HVAC contractors on ten factors, last updated October 23, 2026.

How many HVAC contractors are there in Beaver Dam?

ContractorsRanked ranks 26 HVAC contractors serving Beaver Dam, WI. 10 of them are based in Beaver Dam; the rest serve it from nearby towns. Another 11 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Beaver Dam are open 24/7?

4 ranked HVAC contractors in Beaver Dam post 24/7 hours. The highest-ranked are TRAG HVAC, LLC (#1), Affordable Services (#9) and A+ The Fix Refrigeration, Heating, and Air Conditioning (#12). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Beaver Dam work on weekends?

4 of 26 ranked HVAC contractors post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are TRAG HVAC, LLC (#1), Affordable Services (#9) and A+ The Fix Refrigeration, Heating, and Air Conditioning (#12). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Beaver Dam?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Beaver Dam. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Beaver Dam HVAC contractors have?

The median Google rating among 26 rated HVAC contractors in Beaver Dam is 4.9★, with a median of 21 reviews. Carew Heating & AC, Inc. has the most, 1,166 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Beaver Dam?

In Wisconsin, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Beaver Dam

  1. October 2026: CR Scores recalculated for 26 hvac contractors serving Beaver Dam.

More HVAC contractors and Beaver Dam pages

Other trades in Beaver Dam