47 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kasson: K & S Heating, Air Conditioning, Plumbing & Electrical, CR Score 65/100; 4.8★ from 4,071 Google reviews; open 24/7.
Best for emergencies (open 24/7): Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning, posts 24/7 hours; ranked #2 of 47.
Most-reviewed: Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning, 3,341 Google reviews at 4.9★, the most of 47 ranked after K & S Heating, Air Conditioning, Plumbing & Electrical; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
47 Kasson HVAC contractors are ranked here by CR Score, from ten published factors. 14 are open 24/7, 17 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 47 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | K & S Heating, Air Conditioning, Plumbing & Electrical | 65 | 4.8★ (4,071) | Rochester, 11 mi away | 24/7 | Overall |
| 2 | Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning | 65 | 4.9★ (3,341) | Rochester, 13 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Blue Ox Heating & Air | 63 | 4.9★ (690) | Rochester, 11 mi away | 24/7 | — |
| 4 | Haley Comfort - Heating, Air Conditioning & Fireplaces - 24/7 Service | 61 | 4.9★ (1,245) | Rochester, 15 mi away | Sat · Evenings · Emergency | — |
| 5 | Hawk's Services | 60 | 4.8★ (427) | Rochester, 15 mi away | 24/7 | — |
| 6 | Hawk's Services | 60 | 4.9★ (205) | Rochester, 14 mi away | 24/7 | — |
| 7 | Warners' Stellian Appliance | 60 | 4.7★ (942) | Rochester, 13 mi away | Sat · Sun · Evenings | — |
| 8 | Unitedly Service Group aquired by Hawk's Service | 60 | 4.9★ (174) | Rochester, 14 mi away | 24/7 | — |
| 9 | North Country Heating and Cooling | 59 | 5.0★ (64) | Rochester, 13 mi away | 24/7 | — |
| 10 | Hero: Plumbing, Heating, Cooling, Drains, Ducts & Electrical | 59 | 4.8★ (144) | Rochester, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Kasson
Based in Rochester, 11 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 4,071 Google reviews, the most in Kasson.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 13 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 3,341 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 690 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,245 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 427 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 14 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 205 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 942 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 174 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 144 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.3★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Owatonna, 24 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 185 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Byron, 7 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 14 mi away
Ranked #15 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 Kasson
Ranked #16 because of its Google rating and trade focus: 4.2★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stewartville, 17 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Owatonna, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 122 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 22 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 34 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rochester, 13 mi away
Ranked #20 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rochester, 18 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 45 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stewartville, 18 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 12 mi away
Ranked #23 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rochester, 15 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Owatonna, 24 mi away
Ranked #25 because of its Google rating and trade focus: 4.2★ from 61 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 #47, in CR Score order; each links to its profile.
13 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 |
|---|---|---|
| Air-Tech Mechanical | 5 mi | |
| Cassidy Mechanical, Inc | 5.0★ (2) | 16 mi |
| Clean Air Dynamics LLC | 17 mi | |
| Custom Climate Control | 5.0★ (2) | 25 mi |
| Earth Energy Heating & Cooling Inc | 17 mi | |
| Hvac Sealers LLC | 7 mi | |
| Johnson Controls Rochester Office | 1.0★ (1) | 12 mi |
| Lightly Services | 23 mi | |
| Metro HVA/C Service | 5.0★ (1) | 23 mi |
| Pro Comfort - The Comfort Squad | In Kasson | |
| Proper Plumbing & Heating | 17 mi | |
| TCC Mechanical | 5.0★ (25) | In Kasson |
| TMS Johnson | 12 mi |
National price ranges in USD, not adjusted for Kasson. 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 Minnesota, 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 47 Kasson 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 Kasson 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 |