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Cheap HVAC Companies in Janesville, WI — Best Prices
Compare hvac companies prices in Janesville to find the best deal. All businesses are reviewed — cheap doesn't mean low quality.
As of July 2026, RatingsNearMe ranks 20 hvac companies in Janesville, WI by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is 24HR Home Comfort Services with a 4.9-star rating from 2,899 Google reviews and an RNM Score of 87/100. Also in the top tier: Complete Mechanical Solutions and Perfect Temp Heating & Cooling. The average rating across all listed hvac companies in Janesville is 4.8 stars from 391 reviews per business on average.
HVAC service in Janesville: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated July 4, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
20
Businesses listed
4.8★
Avg rating
391
Avg reviews
Jul 4, 2026
Last updated
Top Rated HVAC Companies
Trusted by thousands with a near-perfect 4.9-star rating across 2,899 reviews.
310 Sunnyside Dr, Milton, WI 53563, USA4.6 stars from 47 reviews, a strong reputation for reliable HVAC service.
11047 Raleigh Ct, Machesney Park, IL 61115, USATop-rated HVAC company in Rockford with 4.8 stars from 732 reviews.
6813 Elm Ave, Loves Park, IL 61111, USAHVAC Companies Rankings in Janesville, WI
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | 24HR Home Comfort Services310 Sunnyside Dr, Milton, WI 53563, USA | 4.9★ | 2,899 |
| #2 | Complete Mechanical Solutions11047 Raleigh Ct, Machesney Park, IL 61115, USA | 4.6★ | 47 |
| #3 | Perfect Temp Heating & Cooling6813 Elm Ave, Loves Park, IL 61111, USA | 4.8★ | 732 |
| #4 | Gilley's Heating & Air Conditioning2707 Huffman Blvd, Rockford, IL 61103, USA | 4.6★ | 45 |
| #5 | Leading Edge Heating & Air Conditioning2364 Co Rd MM, Fitchburg, WI 53575, USA | 5.0★ | 47 |
| #6 | Breeze Heating and AC LLC1947 N Lyford Rd, Rockford, IL 61107, USA | 5.0★ | 33 |
| #7 | Absolute Value Heating & Cooling - Rockford1643 N Alpine Rd #104, Rockford, IL 61107, USA | 4.9★ | 85 |
| #8 | Aire Serv of Madison4719 Ivywood Trail, McFarland, WI 53558, USA | 4.9★ | 514 |
| #9 | Brothers HVAC, LLC1331 County Rd D, Oregon, WI 53575, USA | 5.0★ | 248 |
| #10 | Allen Heating & Cooling122 N 2nd St, Rockford, IL 61107, USA | 4.2★ | 263 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated July 2026
All HVAC Companies in Janesville
A trusted Rockford HVAC company with 4.6 stars from 45 customer reviews.
2707 Huffman Blvd, Rockford, IL 61103, USA
Exceptional 5.0-star rating from 47 Google reviews in Madison.
2364 Co Rd MM, Fitchburg, WI 53575, USA
Trusted by locals, this HVAC company holds a perfect 5.0-star rating from 33 reviews.
1947 N Lyford Rd, Rockford, IL 61107, USA
Rockford's top-rated HVAC company with a flawless 4.9-star average from 85 reviews.
1643 N Alpine Rd #104, Rockford, IL 61107, USA
Hundreds of reviews average 4.9 stars for this top-rated Madison HVAC company.
4719 Ivywood Trail, McFarland, WI 53558, USA
Madison's top-rated HVAC company with a perfect 5.0★ score from 248 reviews.
1331 County Rd D, Oregon, WI 53575, USA
Trusted by hundreds of local customers, earning a solid 4.2-star average rating.
122 N 2nd St, Rockford, IL 61107, USA
Boasting a strong 4.7-star rating from 82 Google reviews, this HVAC company is highly trusted.
103 Hall St, Rockford, IL 61107, USA
Exceptional 4.9-star rating from nearly 200 Google reviews in Madison.
3304 Dairy Dr, Madison, WI 53718, USA
Rockford's trusted HVAC choice with a strong 4.6-star rating from 78 reviews.
322 7th St, Rockford, IL 61104, USA
Exceptional 4.8-star rating from dozens of Google reviews in Rockford.
318 Vincent Ave, Rockford, IL 61102, USA
Trusted by hundreds of customers with a near-perfect 4.9-star rating.
2395 E Cottage Grove Rd, Cottage Grove, WI 53527, USA
Exceptional 4.9-star rating from 65 reviews for HVAC service in Rockford.
1203 22nd St, Rockford, IL 61108, USA
Trusted by dozens of local customers, achieving a stellar 4.8-star rating.
2517 Advance Rd Unit E, Madison, WI 53718, USA
Trusted by hundreds of local customers, this Rockford HVAC company holds a strong 4.6-star rating.
1618 Magnolia St, Rockford, IL 61104, USA
4.9 stars from over 1,800 reviews, reflecting trusted HVAC service in Madison.
87 Nob Hill Rd, Madison, WI 53713, USA
Trusted by dozens of local customers with a perfect 5.0-star rating.
3762 N Farwell Bridge Rd, Rock City, IL 61070, USA
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HVAC Companies in Janesville, WI — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | 24HR Home Comfort Services | 87/100 | 4.9 ★ | 2,899 |
| 2 | Complete Mechanical Solutions | 73/100 | 4.6 ★ | 47 |
| 3 | Perfect Temp Heating & Cooling | 85/100 | 4.8 ★ | 732 |
| 4 | Gilley's Heating & Air Conditioning | 72/100 | 4.6 ★ | 45 |
| 5 | Leading Edge Heating & Air Conditioning | 79/100 | 5.0 ★ | 47 |
| 6 | Breeze Heating and AC LLC | 77/100 | 5.0 ★ | 33 |
| 7 | Absolute Value Heating & Cooling - Rockford | 81/100 | 4.9 ★ | 85 |
| 8 | Aire Serv of Madison | 87/100 | 4.9 ★ | 514 |
| 9 | Brothers HVAC, LLC | 88/100 | 5.0 ★ | 248 |
| 10 | Allen Heating & Cooling | 75/100 | 4.2 ★ | 263 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · July 2026
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Frequently Asked Questions — HVAC Companies in Janesville
How do I find the best hvac companies in Janesville?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Janesville on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Janesville licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, WI requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Janesville, WI?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Janesville?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
HVAC Companies in Nearby Cities
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: July 4, 2026.
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