38 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Onalaska: Bagniefski Heating and Air Conditioning, CR Score 62/100; 5.0★ from 1,240 Google reviews.
Best for emergencies (open 24/7): River City Heating & Air Conditioning, posts 24/7 hours; ranked #6 of 38.
Most-reviewed: Schneider Heating & Air Conditioning, Inc., 681 Google reviews at 4.8★, the most of 38 ranked after Bagniefski Heating and Air Conditioning; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
38 Onalaska HVAC contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 7 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 38 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bagniefski Heating and Air Conditioning | 62 | 5.0★ (1,240) | La Crosse, 6 mi away | — | Overall |
| 2 | Paul's Heating & Air Conditioning | 62 | 4.9★ (589) | Onalaska | — | — |
| 3 | Schneider Heating & Air Conditioning, Inc. | 61 | 4.8★ (681) | Onalaska | — | Most reviews |
| 4 | Heating & Air Conditioning | 60 | 5.0★ (24) | Onalaska | Sat · Sun · Evenings | — |
| 5 | Coulee Region Heating & Air Conditioning, LLC | 59 | 4.8★ (41) | Onalaska | — | — |
| 6 | River City Heating & Air Conditioning | 58 | 4.9★ (112) | Winona, 22 mi away | 24/7 | Emergencies |
| 7 | Ron Hammes Refrigeration | 58 | 4.9★ (210) | La Crosse, 7 mi away | — | — |
| 8 | Cary Heating & Air Conditioning Company, Inc | 56 | 4.8★ (53) | La Crosse, 3 mi away | — | — |
| 9 | Trane Building 7 | 56 | 3.9★ (50) | La Crosse, 7 mi away | Sat · Sun · Evenings | — |
| 10 | Niebuhr Plumbing & Heating | 56 | 4.6★ (132) | La Crosse, 6 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 5.0★ from 1,240 Google reviews, the most in Onalaska.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Onalaska
Ranked #2 because of its Google rating and trade focus: 4.9★ from 589 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Onalaska
Ranked #3 because of its Google rating and trade focus: 4.8★ from 681 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Onalaska
Ranked #4 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Onalaska
Ranked #5 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Winona, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 210 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 3 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 7 mi away
Ranked #9 because of its Google rating and trade focus: 3.9★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 3 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holmen, 6 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 58 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Salem, 8 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 3 mi away
Ranked #16 because of its Google rating and trade focus: 3.8★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Winona, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.1★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 6 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sparta, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holmen, 4 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sparta, 23 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 52 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 2 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Salem, 8 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Crosse, 2 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile. We publish the top 29 of 38 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Howe Construction | 52 | 5.0★ (19) | 4 mi |
| 27 | Scott Roble Plumbing & Heating | 51 | 4.3★ (6) | 4 mi |
| 28 | Harris Heating Air Conditioning | 49 | 5.0★ (5) | 25 mi |
| 29 | Winona Heating & Ventilating, Inc | 45 | 5.0★ (3) | 23 mi |
National price ranges in USD, not adjusted for Onalaska. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
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.
We scored 38 Onalaska 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 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Onalaska data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |