Best HVAC companies in South Milwaukee, WI

The highest-scoring HVAC company in and near South Milwaukee is Thielmann Heating, Cooling & Plumbing (score 89, 4.9 stars from 2,033 Google reviews). 39 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    Thielmann Heating, Cooling & Plumbing

    4.9 · 2,033 Google reviewsNew Berlin, WI97 years in business

    Thielmann Heating, Cooling & Plumbing serves New Berlin and communities across southeastern Wisconsin with heating, air conditioning, indoor air quality, and plumbing work. The company has operated since 1929 and prov…

    Financing availableEmergency service
    89SCORE
  2. 2

    Roman Home Services

    4.9 · 5,689 Google reviewsWest Allis, WI
    83SCORE
  3. 3

    Third Coast HVAC, AC & Furnace Repair

    5.0 · 543 Google reviewsBrookfield, WI

    Third Coast HVAC, AC & Furnace Repair provides heating, cooling, and indoor air quality services across Waukesha County and the Milwaukee metro area. The locally owned and operated company handles AC installation, mai…

    Financing availableEmergency service
    82SCORE
  4. 4

    Heinrichs Home Comfort

    5.0 · 412 Google reviewsNew Berlin, WI
    81SCORE
  5. 5

    1st Choice Heating & Cooling

    4.9 · 1,166 Google reviewsMuskego, WI
    80SCORE
  6. 6

    Nimmer Heating & Air Conditioning, Inc.

    4.9 · 1,052 Google reviewsMilwaukee, WI
    80SCORE
  7. 7

    Pro Serv Plumbing, Heating, and Cooling

    5.0 · 312 Google reviewsWauwatosa, WI
    79SCORE
  8. 8

    West Allis Heating, Cooling, Plumbing, and Electrical

    4.8 · 2,768 Google reviewsMilwaukee, WI
    78SCORE
  9. 9

    E & R Heating and Cooling

    5.0 · 242 Google reviewsWest Allis, WI
    78SCORE
  10. 10

    Mr. Holland's Home Services

    4.8 · 2,112 Google reviewsNew Berlin, WI
    77SCORE
  11. 11

    Misurelli Sorensen Heating & Air Conditioning New Berlin

    4.9 · 528 Google reviewsNew Berlin, WI
    77SCORE
  12. 12

    New Berlin Heating & Air Conditioning

    4.8 · 1,321 Google reviewsNew Berlin, WI
    76SCORE
  13. 13

    A-1 Milwaukee Heating and Cooling

    4.9 · 441 Google reviewsSouth Milwaukee, WI
    74SCORE
  14. 14

    D & M Heating and Air Conditioning

    4.8 · 639 Google reviewsMilwaukee, WI
    73SCORE
  15. 15

    ABC Plumbing, Sewer, Heating, Cooling & Electric

    4.8 · 570 Google reviewsWest Allis, WI
    73SCORE
  16. 16

    Burant Heating & Air Conditioning LLC

    4.8 · 317 Google reviewsFranklin, WI
    71SCORE
  17. 17
    71SCORE
  18. 18

    Stramowski Heating Inc

    4.7 · 774 Google reviewsOak Creek, WI
    70SCORE
  19. 19

    Devix Heating and Cooling

    4.9 · 207 Google reviewsWest Allis, WI
    70SCORE
  20. 20

    Donovan & Jorgenson

    4.8 · 378 Google reviewsNew Berlin, WI
    69SCORE
  21. 21

    Lowe's Air Duct Cleaning

    4.9 · 268 Google reviewsMilwaukee, WI
    69SCORE
  22. 22

    Heating and Cooling Drs of Brookfield and Wauwatosa LLC

    5.0 · 232 Google reviewsWauwatosa, WI
    69SCORE
  23. 23

    Oak Creek Heating & Cooling LLC

    4.9 · 95 Google reviewsOak Creek, WI
    69SCORE
  24. 24

    Blau Sudden Service

    4.6 · 1,745 Google reviews
    68SCORE
  25. 25

    Nordic Air Heating & Cooling

    5.0 · 79 Google reviews
    68SCORE
  26. 26

    Tony's Heating & Air

    5.0 · 75 Google reviewsGreenfield, WI
    68SCORE
  27. 27

    Nash Mechanical LLC

    5.0 · 39 Google reviewsMilwaukee, WI
    66SCORE
  28. 28

    Wil-Surge Home Services

    4.9 · 32 Google reviews
    66SCORE
  29. 29

    Affordable Heating and Air Conditioning, Inc.

    4.8 · 304 Google reviewsCudahy, WI
    65SCORE
  30. 30

    Healthy Living Air Duct Cleaning, LLC

    5.0 · 49 Google reviewsWest Allis, WI
    64SCORE

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near South Milwaukee qualify, they'll appear here automatically.

Compare the top 10

Top HVAC companies in South Milwaukee by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Thielmann Heating, Cooling & Plumbing894.92,03397New Berlin
2Roman Home Services834.95,689–West Allis
3Third Coast HVAC, AC & Furnace Repair825.0543–Brookfield
4Heinrichs Home Comfort815.0412–New Berlin
51st Choice Heating & Cooling804.91,166–Muskego
6Nimmer Heating & Air Conditioning, Inc.804.91,052–Milwaukee
7Pro Serv Plumbing, Heating, and Cooling795.0312–Wauwatosa
8West Allis Heating, Cooling, Plumbing, and Electrical784.82,768–Milwaukee
9E & R Heating and Cooling785.0242–West Allis
10Mr. Holland's Home Services774.82,112–New Berlin

HVAC companies in South Milwaukee: quick answers

Who is the highest-rated HVAC company in South Milwaukee, WI?

Thielmann Heating, Cooling & Plumbing has the highest 5 Star Score among HVAC companies in and near South Milwaukee: 89 out of 100, with a 4.9 star Google rating from 2,033 reviews.

How many 5 Star HVAC companies serve South Milwaukee?

39 HVAC companies meet our standard within about 16 miles of South Milwaukee: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 24,658 Google reviews between them, averaging 4.89 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

HVAC companies near South Milwaukee

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.