10 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ashland: Katon Heating and More, CR Score 95/100; 4.9★ from 64 Google reviews; open 24/7.
Most-reviewed: Superior Plumbing & Mechanical, 38 Google reviews at 4.7★, the most of 10 ranked after Katon Heating and More; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Ashland HVAC contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.7★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Katon Heating and More | 95 | 4.9★ (64) | Ashland | 24/7 | Overall |
| 2 | A To Z Plumbing & Heating Inc | 86 | 4.2★ (19) | Ashland | — | — |
| 3 | KBK Service Inc | 82 | 5.0★ (4) | Ashland | — | — |
| 4 | Dugger Heating & Cooling Inc | 82 | 3.6★ (13) | Ashland | — | — |
| 5 | 4-Season Air | 82 | 4.6★ (10) | Ashland | — | — |
| 6 | Superior Plumbing & Mechanical | 82 | 4.7★ (38) | Ashland | — | Most reviews |
| 7 | Elza Heating Co, LLC | 81 | 4.7★ (29) | Ashland | — | — |
| 8 | Comfort Star Heating and Cooling | 79 | 4.7★ (13) | Brown Deer, 14 mi away | Sat | — |
| 9 | Brown Plumbing and HVAC | 74 | 3.7★ (3) | Ashland | — | — |
| 10 | Cady Plumbing and HVAC llc | 68 | 5.0★ (6) | Ashland | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 64 Google reviews, the most Google reviews on this list (64).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashland
Ranked #2 because of its Google rating and trade focus: 4.2★ from 19 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ashland
Ranked #3 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ashland
Ranked #4 because of its Google rating and trade focus: 3.6★ from 13 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ashland
Ranked #5 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ashland
Ranked #6 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashland
Ranked #7 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brown Deer, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashland
Ranked #9 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashland
Ranked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
2 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 |
|---|---|---|
| Five Star Electric | 5.0★ (1) | In Ashland |
| Katon Heating and More | 5.0★ (2) | In Ashland |
National price ranges in USD, not adjusted for Ashland. 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 10 Ashland HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Ashland data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |