5 Star Home Service Pros
Claim your profileOwner LoginList my Business

Best HVAC companies in Hartford, WI

The highest-scoring HVAC company in and near Hartford is Austin Plumbing, Heating, Air & Electric (score 87, 4.9 stars from 1,237 Google reviews). 3 companies meet the 5 Star standard within about 16 miles.

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

    Austin Plumbing, Heating, Air & Electric

    4.9 · 1,237 Google reviewsGermantown, WI87 years in business

    Austin Plumbing, Heating, Air & Electric provides plumbing, heating, air conditioning, electrical, well pump, and water conditioning services in Southeastern Wisconsin. Serving the area since 1939, the family-owned an…

    Financing availableEmergency service
    87SCORE
    (262) 400-3767 WebsiteFull profile
  2. 2

    Jon Debelak Plumbing & Heating Inc

    4.8 · 213 Google reviewsSussex, WI
    67SCORE
    (262) 370-4005 WebsiteFull profile
  3. 3

    GCS Heating and Cooling LTD

    5.0 · 23 Google reviews
    60SCORE
    (262) 202-4666 WebsiteFull profile

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

Compare the top 3

Top HVAC companies in Hartford by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Austin Plumbing, Heating, Air & Electric874.91,23787Germantown
2Jon Debelak Plumbing & Heating Inc674.8213–Sussex
3GCS Heating and Cooling LTD605.023–

HVAC companies in Hartford: quick answers

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

Austin Plumbing, Heating, Air & Electric has the highest 5 Star Score among HVAC companies in and near Hartford: 87 out of 100, with a 4.9 star Google rating from 1,237 reviews.

How many 5 Star HVAC companies serve Hartford?

3 HVAC companies meet our standard within about 16 miles of Hartford: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 3 have 1,473 Google reviews between them, averaging 4.90 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 Hartford

Other pros in Hartford

Search another area

Try a zip code, a nearby city, or a state.

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.