41 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Merrill: Frasier's Plumbing, Heating, & Cooling, CR Score 92/100; 4.9★ from 1,174 Google reviews; open 24/7.
Best for emergencies (open 24/7): PGA Inc., posts 24/7 hours; ranked #2 of 41.
Most-reviewed: PGA Inc., 1,312 Google reviews at 4.9★, the most of 41 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
41 Merrill HVAC contractors are ranked here by CR Score, from 8 published factors. 11 are open 24/7, 15 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 41 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Frasier's Plumbing, Heating, & Cooling | 92 | 4.9★ (1,174) | Wausau, 16 mi away | 24/7 | Overall |
| 2 | PGA Inc. | 91 | 4.9★ (1,312) | Weston, 22 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Southport Home Services | 88 | 4.7★ (314) | Wausau, 17 mi away | 24/7 | — |
| 4 | ANG Heating and Cooling | 87 | 5.0★ (42) | Wausau, 13 mi away | 24/7 | — |
| 5 | Comfort Touch Heating & Cooling | 86 | 4.9★ (59) | Kronenwetter, 18 mi away | 24/7 | — |
| 6 | Merrill Sheet Metal Works Inc. | 82 | 4.7★ (76) | Merrill | Sat | — |
| 7 | Valheat, Inc. | 82 | 4.9★ (14) | Appleton, 20 mi away | 24/7 | — |
| 8 | Royal Heating & Cooling, LLC | 81 | 3.8★ (29) | Wausau, 16 mi away | 24/7 | — |
| 9 | Aires Heating & Cooling | 80 | 5.0★ (3) | Wausau, 18 mi away | 24/7 | — |
| 10 | Brandenburg Plumbing & Heating, Inc. | 80 | 4.1★ (9) | Wausau, 20 mi away | 24/7 | — |
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 availability: 4.9★ from 1,174 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Weston, 22 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,312 Google reviews, the most Google reviews on this list (1,312).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 17 mi away
Ranked #3 because of its Google rating and availability: 4.7★ from 314 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 13 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 42 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kronenwetter, 18 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 59 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Merrill
Ranked #6 because of its Google rating and trade focus: 4.7★ from 76 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Appleton, 20 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 16 mi away
Ranked #8 because of its Google rating and availability: 3.8★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 18 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 20 mi away
Ranked #10 because of its Google rating and availability: 4.1★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Merrill
Ranked #11 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Kronenwetter, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Weston, 21 mi away
Ranked #13 because of its Google rating and availability: 4.7★ from 48 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brookfield, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Fitchburg, 20 mi away
Ranked #16 because of its Google rating and availability: 4.2★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 165 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kronenwetter, 21 mi away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Wausau, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 14 mi away
Ranked #20 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Antigo, 14 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 15 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wausau, 15 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile. We publish the top 27 of 41 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Fore-Front Mechanical Inc. | 73 | 4.8★ (8) | 11 mi |
| 27 | Affordable Refrigeration, LLC | 73 | 4.9★ (34) | 21 mi |
National price ranges in USD, not adjusted for Merrill. 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 41 Merrill 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 Merrill 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 |