135 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Beloit: 24HR Home Comfort Services, CR Score 91/100; 4.9★ from 2,863 Google reviews; open 24/7.
Best for emergencies (open 24/7): Rock Valley Services, Inc., posts 24/7 hours; ranked #2 of 135.
Most-reviewed: Appliance Repair Experts, 1,444 Google reviews at 4.8★, the most of 135 ranked after 24HR Home Comfort Services; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Beloit HVAC contractors are ranked here by CR Score, from 8 published factors. 54 are open 24/7, 81 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 4.7★ across 135 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 24HR Home Comfort Services | 91 | 4.9★ (2,863) | Milton, 19 mi away | 24/7 | Overall |
| 2 | Rock Valley Services, Inc. | 90 | 4.9★ (443) | Janesville, 11 mi away | 24/7 | Emergencies |
| 3 | Perfect Temp Heating & Cooling | 90 | 4.8★ (719) | Loves Park, 13 mi away | 24/7 | — |
| 4 | Bear Necessities Home Services | 88 | 5.0★ (174) | Machesney Park, 15 mi away | 24/7 | — |
| 5 | Appliance Repair Experts | 87 | 4.8★ (1,444) | Janesville, 10 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Taylor's Heating/Cooling & Electrical | 87 | 5.0★ (102) | Machesney Park, 17 mi away | 24/7 | — |
| 7 | Absolute Value Heating & Cooling - Rockford | 86 | 4.9★ (85) | Rockford, 15 mi away | 24/7 | — |
| 8 | MP Heating & Air Conditioning | 86 | 4.7★ (54) | Machesney Park, 9 mi away | 24/7 | — |
| 9 | O'Connor Heating, Cooling & Electrical | 85 | 4.6★ (60) | Machesney Park, 10 mi away | 24/7 | — |
| 10 | Air Systems, Inc. | 85 | 4.8★ (277) | Elkhorn, 25 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 review volume: 4.9★ from 2,863 Google reviews, the most Google reviews on this list (2,863).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Janesville, 11 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 443 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loves Park, 13 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 719 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 15 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 174 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Janesville, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,444 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 17 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 102 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 15 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 85 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 9 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 54 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 10 mi away
Ranked #9 because of its Google rating and availability: 4.6★ from 60 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhorn, 25 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 277 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 20 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 93 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 18 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 65 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 15 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 17 mi away
Ranked #14 because of its Google rating and availability: 4.7★ from 75 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 6 mi away
Ranked #15 because of its Google rating and availability: 4.3★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 18 mi away
Ranked #16 because of its Google rating and availability: 4.6★ from 126 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Beloit, 3 mi away
Ranked #17 because of its Google rating and availability: 4.0★ from 20 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 17 mi away
Ranked #18 because of its Google rating and availability: 4.6★ from 78 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loves Park, 14 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 17 mi away
Ranked #20 because of its Google rating and availability: 4.3★ from 259 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 17 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockford, 15 mi away
Ranked #22 because of its Google rating and availability: 4.5★ from 39 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loves Park, 19 mi away
Ranked #23 because of its Google rating and availability: 4.8★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Machesney Park, 14 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in South Beloit, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC 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 #50, in CR Score order; each links to its profile. We publish the top 50 of 135 ranked HVAC contractors here; the rest are on their profiles.
20 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 |
|---|---|---|
| 24/7 Home Comfort Services | 3.8★ (4) | 12 mi |
| 5 Start Plumbing Heating & Cooling | 3.0★ (2) | 3 mi |
| A-SNAP HEATING COOLING ELECTRIC | 5.0★ (1) | 12 mi |
| AC's Best Heating and Cooling | 1.0★ (1) | 14 mi |
| Air Management Services Inc | 4.0★ (2) | 22 mi |
| B Homes Heating & Air Conditioning | 4.2★ (5) | 18 mi |
| Berg Refridgeration LLC | 4.0★ (4) | 6 mi |
| Calyx Contracting | 5.0★ (1) | 12 mi |
| Dad And Son LLC | 5.0★ (2) | 17 mi |
| EB Mechanical LLC. | 5.0★ (1) | In Beloit |
| Gene Nelson and Sons | 5.0★ (1) | 12 mi |
| GH Heating & Air, L.L.C. | 4.1★ (17) | 23 mi |
| Heating & Cooling | 5.0★ (2) | 18 mi |
| Leachman HVAC and Maintenance, LLC | 5.0★ (2) | 20 mi |
| Liberty Mechanical, Inc. | 5.0★ (8) | 23 mi |
| MANA Interiors & Constructions.Inc | 5.0★ (17) | In Beloit |
| Ron Swanson Plumbing & Heating | 5.0★ (2) | 14 mi |
| Saint Electric | 4.4★ (47) | In Beloit |
| TOTAL Mechanical, LLC Janesville | 5.0★ (1) | 8 mi |
| yellow air duct cleaning | 5.0★ (1) | 4 mi |
National price ranges in USD, not adjusted for Beloit. 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 135 Beloit 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 Beloit 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 |