102 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harrison: Black-Haak Heating, CR Score 91/100; 4.9★ from 7,227 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Star Heating & Air Conditioning LLC, posts 24/7 hours; ranked #2 of 102.
Most-reviewed: Bob's Quality Heating & Air Conditioning, 1,871 Google reviews at 4.9★, the most of 102 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
102 Harrison HVAC contractors are ranked here by CR Score, from 8 published factors. 27 are open 24/7, 38 open Saturdays and 35 open Sundays, based on posted hours. The median Google rating is 4.8★ across 102 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Black-Haak Heating | 91 | 4.9★ (7,227) | Appleton, 9 mi away | Sat · Sun | Overall |
| 2 | Star Heating & Air Conditioning LLC | 89 | 5.0★ (69) | Appleton, 3 mi away | 24/7 | Emergencies |
| 3 | Van's Heating and Cooling | 89 | 4.9★ (1,622) | De Pere, 20 mi away | 24/7 | — |
| 4 | Hockers Home Services | 88 | 4.8★ (1,765) | De Pere, 18 mi away | 24/7 | — |
| 5 | 3rd Gospel Heating and Cooling | 88 | 5.0★ (73) | Appleton, 6 mi away | 24/7 | — |
| 6 | Apex Heating and Air Conditioning | 88 | 5.0★ (705) | Green Bay, 21 mi away | 24/7 | — |
| 7 | Berken Heating & Cooling Inc | 87 | 4.6★ (65) | Kaukauna, 3 mi away | 24/7 | — |
| 8 | KP Heating and Cooling LLC | 86 | 4.8★ (63) | Appleton, 8 mi away | 24/7 | — |
| 9 | N.E.W. Mechanical | 86 | 5.0★ (21) | Appleton, 5 mi away | 24/7 | — |
| 10 | Richard's Heating & Cooling Inc. | 86 | 4.9★ (187) | De Pere, 18 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 7,227 Google reviews, the most Google reviews on this list (7,227).
Based in Appleton, 3 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 69 Google reviews, open 24/7.
Based in De Pere, 20 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 1,622 Google reviews, open 24/7.
Based in De Pere, 18 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 1,765 Google reviews, open 24/7.
Based in Appleton, 6 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 73 Google reviews, open 24/7.
Based in Green Bay, 21 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 705 Google reviews, open 24/7.
Based in Kaukauna, 3 mi away
Ranked #7 because of its Google rating and availability: 4.6★ from 65 Google reviews, open 24/7.
Based in Appleton, 8 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 63 Google reviews, open 24/7.
Based in Appleton, 5 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based in De Pere, 18 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 187 Google reviews, open 24/7.
Based in Menasha, 5 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 45 Google reviews, open 24/7.
Based in Neenah, 8 mi away
Ranked #12 because of its Google rating and availability: 4.3★ from 209 Google reviews, open 24/7.
Based in Neenah, 7 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Green Bay, 21 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 56 Google reviews, open 24/7.
Based in Appleton, 6 mi away
Ranked #15 because of its Google rating and availability: 4.4★ from 14 Google reviews, open 24/7.
Based in Kimberly, 3 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 in Appleton, 9 mi away
Ranked #17 because of its Google rating and availability: 4.6★ from 5 Google reviews, open 24/7.
Based in New London, 21 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
Based in Oshkosh, 21 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
Based in Hobart, 20 mi away
Ranked #20 because of its Google rating and availability: 4.8★ from 25 Google reviews, open 24/7.
Based in Bellevue, 24 mi away
Ranked #21 because of its Google rating and availability: 4.7★ from 81 Google reviews, open 24/7.
Based in Oshkosh, 15 mi away
Ranked #22 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based in Kaukauna, 7 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based in Neenah, 7 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 928 Google reviews, listed on Google as “HVAC contractor”.
Based in Appleton, 7 mi away
Ranked #25 because of its Google rating and availability: 1.8★ from 5 Google reviews, open 24/7.
#1 to #25 are shown in full above. Here are #29 to #30, in CR Score order; each links to its profile. We publish the top 30 of 102 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 29 | Integrity Heating & A/C LLC | 81 | 3.7★ (3) | 9 mi |
| 30 | Heise Heating & Air Conditioning LLC | 80 | 4.5★ (28) | 23 mi |
1 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 |
|---|---|---|
| Engebos Heating & Cooling, LLC | 4.3★ (18) | 18 mi |
National price ranges in USD, not adjusted for Harrison. 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 102 Harrison 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 Harrison 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 |