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Best HVAC Contractors in Waupun, WI (2026)

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

The short answer

  1. 1

    Best overall in Waupun: Air Tech Heating, Inc., CR Score 62/100; 4.8★ from 604 Google reviews; open 24/7.

  2. 5

    Best for emergencies (open 24/7): Air Tech Heating, Inc., posts 24/7 hours; ranked #5 of 31.

  3. 2

    Most-reviewed: Brewer Heating, Inc., 1,570 Google reviews at 5.0★, the most of 31 ranked; ranked #2.

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

31 Waupun HVAC contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 5 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 31 rated businesses.

Top 10 HVAC contractors in Waupun at a glance

Top 10 HVAC contractors in Waupun at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Air Tech Heating, Inc.624.8★ (604)Fond du Lac, 16 mi away24/7Overall
2Brewer Heating, Inc.605.0★ (1,570)Ripon, 17 mi away—Most reviews
3All-Phase HVAC LLC595.0★ (156)Waupun——
4Roets Home Heating & Air Conditioning595.0★ (31)Waupun——
5Air Tech Heating, Inc.584.9★ (65)Ripon, 16 mi away24/7Emergencies
6Sure-Fire, Inc.584.9★ (479)Beaver Dam, 14 mi away——
7JB Mechanical, LLC574.9★ (285)Beaver Dam, 13 mi away——
8TRAG HVAC, LLC565.0★ (35)Beaver Dam, 21 mi away24/7—
9Condon Total Comfort Inc.554.8★ (207)Ripon, 16 mi away——
10Affordable Services555.0★ (10)Germantown, 18 mi away24/7—

The 31 best HVAC contractors in Waupun, ranked

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

  1. Ranked #1 in Waupun

    #1 Air Tech Heating, Inc.

    Based in Fond du Lac, 16 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 604 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 604 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    251 Griffith St, Fond du Lac, WI 54935
    View profile for Air Tech Heating, Inc.(920) 924-6742

  2. #2 Brewer Heating, Inc.

    Based in Ripon, 17 mi away

    60/100CR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 1,570 Google reviews, the most in Waupun.

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

    • 5.0★ from 1,570 Google reviews
    Hours
    Mon–Thu 7 AM–4:30 PM · Fri 7 AM–3 PM · Sat–Sun closed
    Address
    N 8804 Douglas St, Ripon, WI 54971
    View profile for Brewer Heating, Inc.(920) 748-6494

  3. #3 All-Phase HVAC LLC

    Based in Waupun

    59/100CR Score

    Ranked #3 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

  5. #5 Air Tech Heating, Inc.

    Based in Ripon, 16 mi away

    58/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 65 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    831 W Fond Du Lac St, Ripon, WI 54971
    View profile for Air Tech Heating, Inc.(920) 239-4307

  6. #6 Sure-Fire, Inc.

    Based in Beaver Dam, 14 mi away

    58/100CR Score

    Ranked #6 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

  7. #7 JB Mechanical, LLC

    Based in Beaver Dam, 13 mi away

    57/100CR Score

    Ranked #7 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

  8. #8 TRAG HVAC, LLC

    Based in Beaver Dam, 21 mi away

    56/100CR Score

    Ranked #8 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

  9. #9 Condon Total Comfort Inc.

    Based in Ripon, 16 mi away

    55/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 207 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 207 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    11 Blackburn St, Ripon, WI 54971
    View profile for Condon Total Comfort Inc.(920) 748-5050

  10. #10 Affordable Services

    Based in Germantown, 18 mi away

    55/100CR Score

    Ranked #10 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

  11. #11 Air Care Inc

    Based in Beaver Dam, 13 mi away

    54/100CR Score

    Ranked #11 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

  14. #14 HK Air Duct Cleaning

    Based in Beaver Dam, 13 mi away

    53/100CR Score

    Ranked #14 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

  15. #15 E. C. Merrill, Inc.

    Based in North Fond du Lac, 17 mi away

    51/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 23 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    809 Wisconsin Ave, North Fond Du Lac, WI 54937
    View profile for E. C. Merrill, Inc.(920) 921-4714

  16. #16 Hilbert's Refrigeration Heating

    Based in Fond du Lac, 14 mi away

    51/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.8★ from 12 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    N 6444 Fenner, Fond du Lac, WI 54937
    View profile for Hilbert's Refrigeration Heating(920) 517-2086

  17. #17 Fenner Plumbing & Heating Inc.

    Based in Fond du Lac, 16 mi away

    51/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Heating contractor”.

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

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    735 Sullivan Dr, Fond du Lac, WI 54935
    View profile for Fenner Plumbing & Heating Inc.(920) 922-0320

  18. #18 Sawejka Enterprises, Inc.

    Based in Beaver Dam, 15 mi away

    51/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    View profile for Sawejka Enterprises, Inc.(920) 885-3187

  19. #19 H.V.A.C., Inc.

    Based in Fond du Lac, 17 mi away

    50/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.1★ from 33 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.1★ from 33 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    135169 S Brooke St, Fond du Lac, WI 54935
    View profile for H.V.A.C., Inc.(920) 922-4770

  20. #20 Wesley Heating & Cooling

    Based in Fond du Lac, 17 mi away

    50/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.0★ from 24 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    160 S Brooke St, Fond du Lac, WI 54935
    View profile for Wesley Heating & Cooling(920) 923-2500

  21. #21 Anderson HVAC LLC

    Based in Oshkosh, 25 mi away

    50/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 31 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    4535 WI-91, Oshkosh, WI 54904
    View profile for Anderson HVAC LLC(920) 230-6963

  24. #24 White Plumbing & Heating

    Based in Beaver Dam, 15 mi away

    49/100CR Score

    Ranked #24 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

All 31 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile.

HVAC contractors in Waupun, ranks 26 to 31
RankBusinessCR ScoreGoogle ratingDistance
26R D Quinn Plumbing & Heating485.0★ (5)20 mi
27Beaver Plumbing & Heating Ltd484.3★ (40)11 mi
28Hansen Refrigeration Mach Co482.3★ (3)15 mi
29Caldera A/C & Heating LLC482.3★ (64)17 mi
30Earl's Plumbing & Heating Inc.443.1★ (44)14 mi
31Walters Gas Service423.1★ (18)17 mi

Also serving Waupun

12 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 Waupun
BusinessGoogle ratingDistance
Action Plumbing Heating AC & Elec13 mi
All Hours Heating & Air Conditioning21 mi
B&B Plumbing Services5.0★ (5)In Waupun
C. Braaksma Electric, Inc.4.7★ (18)In Waupun
Designed Mechanical, Inc.5.0★ (1)14 mi
E. C. Merrill, Inc.5.0★ (1)20 mi
HVAC Contractors16 mi
K. Brown Plumbing LLC4.6★ (20)In Waupun
Quality Control Services (Temperature Control Mechanical Systems Specialists)5.0★ (1)16 mi
Sawejka Enterprises13 mi
Sure-Fire Inc5.0★ (2)13 mi
Total Comfort Insulation5.0★ (1)19 mi

How much do HVAC contractors cost in Waupun?

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

How much do HVAC contractors cost in Waupun?
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 Waupun HVAC contractors

We scored 31 Waupun 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 Waupun 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 Waupun: frequently asked questions

Who is the best HVAC contractor in Waupun?

By CR Score, the highest-ranked HVAC contractor in Waupun, WI is Air Tech Heating, Inc. with a CR Score of 62/100. It has 4.8★ from 604 Google reviews. It is open 24/7. Brewer Heating, Inc. (#2) and All-Phase HVAC LLC (#3) follow. We ranked 31 HVAC contractors on ten factors, last updated October 23, 2026.

How many HVAC contractors are there in Waupun?

ContractorsRanked ranks 31 HVAC contractors serving Waupun, WI. 3 of them are based in Waupun; the rest serve it from nearby towns. Another 12 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Waupun are open 24/7?

4 ranked HVAC contractors in Waupun post 24/7 hours. The highest-ranked are Air Tech Heating, Inc. (#1), Air Tech Heating, Inc. (#5) and TRAG HVAC, LLC (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Waupun work on weekends?

5 of 31 ranked HVAC contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Air Tech Heating, Inc. (#1), Air Tech Heating, Inc. (#5) and TRAG HVAC, LLC (#8). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Waupun?

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 Waupun. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Waupun HVAC contractors have?

The median Google rating among 31 rated HVAC contractors in Waupun is 4.8★, with a median of 31 reviews. Brewer Heating, Inc. has the most, 1,570 reviews, and ranks #2. 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 Waupun?

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 Waupun

  1. October 2026: CR Scores recalculated for 31 hvac contractors serving Waupun.

More HVAC contractors and Waupun pages

Other trades in Waupun