79 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oshkosh: Black-Haak Heating, CR Score 62/100; 4.9★ from 7,227 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): HomeTown Heating & Cooling, posts 24/7 hours; ranked #2 of 79.
Most-reviewed: Bob's Quality Heating & Air Conditioning, 1,871 Google reviews at 4.9★, the most of 79 ranked after Black-Haak Heating; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
79 Oshkosh HVAC contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 29 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.8★ across 79 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Black-Haak Heating | 62 | 4.9★ (7,227) | Appleton, 17 mi away | Sat · Sun | Overall |
| 2 | HomeTown Heating & Cooling | 60 | 5.0★ (22) | Oshkosh | 24/7 | Emergencies |
| 3 | Air Tech Heating, Inc. | 59 | 4.8★ (604) | Fond du Lac, 19 mi away | 24/7 | — |
| 4 | A&BE Heating and Cooling, LLC | 59 | 4.8★ (75) | Oshkosh | — | — |
| 5 | Merten Plumbing & Heating Inc. | 58 | 4.6★ (9) | Oshkosh | 24/7 | — |
| 6 | 3rd Gospel Heating and Cooling | 58 | 5.0★ (73) | Appleton, 18 mi away | 24/7 | — |
| 7 | Drucks Plumbing & Heating | 57 | 4.3★ (209) | Neenah, 11 mi away | 24/7 | — |
| 8 | Star Heating & Air Conditioning LLC | 57 | 5.0★ (69) | Appleton, 18 mi away | 24/7 | — |
| 9 | Modern Sheet Metal Heating & Cooling | 57 | 5.0★ (928) | Neenah, 15 mi away | — | — |
| 10 | Brewer Heating, Inc. | 57 | 5.0★ (1,570) | Ripon, 18 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: 4.9★ from 7,227 Google reviews, the most in Oshkosh.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #2 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fond du Lac, 19 mi away
Ranked #3 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.
Based in Oshkosh
Ranked #4 because of its Google rating and trade focus: 4.8★ from 75 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oshkosh
Ranked #5 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Neenah, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.3★ from 209 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 18 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Neenah, 15 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 928 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ripon, 18 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 1,570 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #11 because of its Google rating and trade focus: 4.8★ from 141 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 17 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ripon, 20 mi away
Ranked #13 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.
Based in Oshkosh
Ranked #14 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menasha, 15 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kimberly, 20 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 1,871 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 17 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #19 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #20 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaukauna, 20 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 65 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #22 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 570 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Neenah, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh
Ranked #25 because of its Google rating and trade focus: 4.5★ from 55 Google reviews, listed on Google as “Air conditioning 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 #50, in CR Score order; each links to its profile. We publish the top 50 of 79 ranked HVAC contractors here; the rest are on their profiles.
20 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.
| Business | Google rating | Distance |
|---|---|---|
| Aquire Restoration, Inc. | 4.8★ (150) | In Oshkosh |
| Automated Comfort Controls | 5.0★ (2) | 17 mi |
| Badger State Mechanical | 16 mi | |
| Best Mechanical | In Oshkosh | |
| C.H. Koch Plumbing & Heating Inc | 5.0★ (1) | In Oshkosh |
| Condon Total Comfort Inc | In Oshkosh | |
| D & S Plumbing | 5.0★ (11) | In Oshkosh |
| Duitman Plumbing & Heating Inc | 2.0★ (5) | 17 mi |
| E. C. Merrill, Inc. | 5.0★ (1) | In Oshkosh |
| E. C. Merrill, Inc. | 4.8★ (23) | 15 mi |
| HVAC Armor | In Oshkosh | |
| HVAC Armor Oshkosh | 3.0★ (1) | In Oshkosh |
| HVAC Contractors | 19 mi | |
| Johnson Controls Appleton Branch Office | 5.0★ (1) | 17 mi |
| Masters Building Solutions | 5.0★ (1) | 21 mi |
| Northern Comfort Industries | 5.0★ (1) | 20 mi |
| Reliable Air Conditioning & Heating Appleton | 3.0★ (1) | 17 mi |
| Samsa Mechanical Service | 5.0★ (4) | 19 mi |
| Trio, Inc. | 4.8★ (17) | 11 mi |
| Witzke Electric Inc | 4.3★ (44) | In Oshkosh |
National price ranges in USD, not adjusted for Oshkosh. 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 79 Oshkosh 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.
| Factor | Weight | Computed from | In Oshkosh 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 |