62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 107 Google reviews, the most in Willmar.
- 4.7★ from 107 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
- Address
- 1950 Trott Ave SW, Willmar, MN 56201
Best HVAC Contractors in Willmar, MN (2026)
8 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Willmar: Chappell Central Inc, CR Score 62/100; 4.7★ from 107 Google reviews.
- 3
Best for emergencies (open 24/7): Heating & Cooling By Sam, posts 24/7 hours; ranked #3 of 8.
- 2
Most-reviewed: Magnuson Sheet Metal Inc, 64 Google reviews at 4.8★, the most of 8 ranked after Chappell Central Inc; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Willmar HVAC contractors are ranked here by CR Score, from ten 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 8 rated businesses.
Top 8 HVAC contractors in Willmar at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Chappell Central Inc | 62 | 4.7★ (107) | Willmar | — | Overall |
| 2 | Magnuson Sheet Metal Inc | 60 | 4.8★ (64) | Willmar | — | Most reviews |
| 3 | Heating & Cooling By Sam | 60 | 4.6★ (9) | Willmar | 24/7 | Emergencies |
| 4 | Bullet Proof Mechanical | 58 | 4.8★ (13) | Willmar | Sat | — |
| 5 | Johnson's Plumbing Heating | 54 | 3.6★ (12) | Willmar | — | — |
| 6 | BK Plumbing & Heating | 52 | 3.7★ (31) | Willmar | — | — |
| 7 | Plumbing & Heating of Willmar, Inc. | 52 | 4.0★ (22) | Willmar | — | — |
| 8 | Rev's Mechanical | 52 | 5.0★ (17) | Groveland, 20 mi away | — | — |
The 8 best HVAC contractors in Willmar, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Willmar
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Heating contractor”.
- 4.8★ from 64 Google reviews
- Hours
- Mon–Thu 7 AM–5 PM · Fri 7 AM–12 PM · Sat–Sun closed
- Address
- 132 25th St SE, Willmar, MN 56201
Based in Willmar
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Heating contractor”.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 609 Becker Ave SE, Willmar, MN 56201
Based in Willmar
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 13 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–6 PM · Sun closed
- Address
- 321 Ferring St SE, Willmar, MN 56201
Based in Willmar
54/100CR ScoreRanked #5 because of its Google rating and trade focus: 3.6★ from 12 Google reviews, listed on Google as “Air conditioning contractor”.
- 3.6★ from 12 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 11270 54th St NE, Spicer, MN 56288
Based in Willmar
52/100CR ScoreRanked #6 because of its Google rating and review volume: 3.7★ from 31 Google reviews.
- 3.7★ from 31 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in Willmar
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “Plumber”.
- 4.0★ from 22 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2101 US-12, Willmar, MN 56201
Based in Groveland, 20 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
How much do HVAC contractors cost in Willmar?
National price ranges in USD, not adjusted for Willmar. 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 |
When to hire an HVAC contractor in Minnesota
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.
How we ranked Willmar HVAC contractors
We scored 8 Willmar 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 Willmar 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 |
HVAC contractors in Willmar: frequently asked questions
Who is the best HVAC contractor in Willmar?
By CR Score, the highest-ranked HVAC contractor in Willmar, MN is Chappell Central Inc with a CR Score of 62/100. It has 4.7★ from 107 Google reviews. Magnuson Sheet Metal Inc (#2) and Heating & Cooling By Sam (#3) follow. We ranked 8 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Willmar?
ContractorsRanked ranks 8 HVAC contractors serving Willmar, MN. 7 of them are based in Willmar; the rest serve it from nearby towns. Counts are as of October 2026.
Which HVAC contractors in Willmar are open 24/7?
1 ranked HVAC contractor in Willmar posts 24/7 hours. The highest-ranked is Heating & Cooling By Sam (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Willmar work on weekends?
2 of 8 ranked HVAC contractors post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Heating & Cooling By Sam (#3) and Bullet Proof Mechanical (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Willmar?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Willmar. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Willmar HVAC contractors have?
The median Google rating among 8 rated HVAC contractors in Willmar is 4.7★, with a median of 20 reviews. Chappell Central Inc has the most, 107 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Willmar?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Willmar
- October 2026: CR Scores recalculated for 8 hvac contractors serving Willmar.
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