Janesville, WI
HVAC Pros in Janesville, WI
14 HVAC providers currently list service in Janesville, WI. Focus on Energy (Statewide) rebates up to $2,500 available.
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Quick facts
- AreaJanesville
- StateWI
- Providers14
- Climate zone5A-Cool-Humid
- Heating degree days6,200
- Recommended systemdual fuel
Why HVAC matters in Janesville
Janesville sits in IECC climate zone 5A-Cool-Humid with average January temperatures of 24°F and July highs around 74°F. With 6,200 heating degree days, a reliable heating system is essential for comfort and safety.
WI (Rock County) falls in IECC 5A-Cool-Humid. HDD 6200 / CDD 900 per NOAA 1991–2020 state averages drive a dual fuel HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
Dual-fuel system recommended for Janesville
A dual-fuel system pairs a heat pump with a gas furnace backup — the heat pump runs efficiently on mild days while the furnace handles deep cold.
With 6,200 heating degree days and winter lows reaching 24°F, standard heat pumps lose efficiency. The dual-fuel approach gives you heat pump savings on 80% of winter days plus reliable gas heat when temperatures drop below 15-20°F.
About Janesville HVAC
14 HVAC providers list active service in Janesville — a small but workable shortlist. Getting three quotes is realistic if you plan a week out. Rock County pricing tends to track the regional median, with premium brands and efficiency tiers driving the range.
Janesville's winter design temps (January averages near 24°F) sit at the edge of standard heat-pump efficiency, which is why dual-fuel setups — heat pump plus gas furnace backup — have become the contractor-preferred configuration here. Homeowners in Janesville should expect seasonal pricing swings — spring and fall are the value windows for installs. Focus on Energy (Statewide)'s Focus on Energy Heat Pump Rebate currently offers up to $2,500 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →- J. C. Heating and Cooling, Inc.Top rated
What customers say “Amazing customer service and excellent quality of work. I was given a quote by another company to repair our furnace…”
- Rock Valley Services, Inc.Top rated
What customers say “Can't say enough about the excellent customer service this company provided me. Joshua was very polite and…”
- R&W Heating & Cooling IncTop rated
What customers say “We just bought an old home here in Janesville, and of course—right when we needed it—the AC stopped cooling. We reached…”
- Dohner Heating & Cooling LLCTop rated
What customers say “I can’t say enough good things about this heating and cooling company. From the start, the service was prompt,…”
What customers say “My A/C unit kept freezing up on the inside and would stop working. I called up Don Martin and scheduled a time for a…”
- Footville Heating & Cooling Inc.Top rated
What customers say “Our AC went out at the time most things go out....overnight, on a weekend, after business hours. I woke up and noticed…”
- AE Heating and Air Conditioning LLCTop rated
What customers say “Ethical, honest, fair priced. Have had AE do routine maint on already placed HVAC, as well as the install of a brand…”
- installationrepairemergency
What customers say “Very satisfied with the urgent service I needed this morning. I woke up to no heat, and between the woman answering…”
- installationrepairemergency
What customers say “Donnie had a crew out as soon as the furnace and A/C units came in and they installed it without any delay. Naturally…”
What customers say “When we woke up our furnace was only warming to a certain temperature and our high today is 3°. I called Al Beyers and…”
What customers say “Had a wonderful experience with Todd! We initially had a different company come out who reported to our home waranty…”
What customers say “Absolutely amazing company and employees. Had an emergency with our water heater that we had no idea what to do about.…”
What customers say “Brian is knowledgeable, professional, and hard working. My heater change out was an example of the way it's supposed…”
What Janesville homeowners say
“When we woke up our furnace was only warming to a certain temperature and our high today is 3°. I called Al Beyers and in this case, after hanging up the phone the tech was on site and diagnosed the issue all in under an hour! He was done with the re…”
“Very satisfied with the urgent service I needed this morning. I woke up to no heat, and between the woman answering phones and the techs they solved my problem before noon. THANK YOU! At first it was the first open appointment was tomorrow afternoon.…”
“Absolutely amazing company and employees. Had an emergency with our water heater that we had no idea what to do about. They came out and had the problem fixed within two hours. Matt explained exactly what happened, why it happened and how he was goin…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Dual-fuel systems (heat pump + gas backup) are recommended for this area's cold winters.
Available rebates in Janesville
- Focus on Energy (Statewide): Focus on Energy Heat Pump Rebate — $500–$2,500 for heat pump
- Focus on Energy (Statewide): Focus on Energy Smart Thermostat Rebate — $50–$100 for thermostat
- Alliant Energy Wisconsin (WPL): Alliant Energy WI Heat Pump Rebate (via Focus on Energy) — $500–$2,500 for heat pump
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
Wisconsin hub →Explore more Wisconsin markets from the state hub.
Popular comparisons in Janesville
- J. C. Heating and Cooling, Inc. vs Rock Valley Services, Inc.5.0★ vs 4.9★
- J. C. Heating and Cooling, Inc. vs R&W Heating & Cooling Inc5.0★ vs 5.0★
- Rock Valley Services, Inc. vs R&W Heating & Cooling Inc4.9★ vs 5.0★
- Rock Valley Services, Inc. vs Dohner Heating & Cooling LLC4.9★ vs 4.9★
- R&W Heating & Cooling Inc vs Dohner Heating & Cooling LLC5.0★ vs 4.9★
- R&W Heating & Cooling Inc vs Don-Martin Heating, Cooling & Geothermal Inc.5.0★ vs 5.0★
Related research
Frequently Asked Questions
What's the best heating system for Janesville?
Janesville has cold winters (avg January: 24°F) with 6,200 heating degree days. A dual-fuel system (heat pump + gas furnace backup) is recommended — the heat pump handles mild days efficiently while the furnace takes over during deep cold snaps below 15-20°F.
How important is air conditioning in Janesville?
Very. With 900 cooling degree days and summer highs regularly exceeding 74°F, AC is essential in Janesville. Central AC or a heat pump (which provides both heating and cooling) is strongly recommended. Budget $3,500-$7,000 for a quality cooling system installation.
What HVAC rebates are available in Janesville?
Janesville homeowners can stack multiple incentives: Focus on Energy (Statewide) offers up to $2,500 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $4,500+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Janesville?
In Janesville, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in Wisconsin?
Wisconsin does not issue a dedicated statewide HVAC contractor license — any contractor doing residential work over $1,000 must hold a Dwelling Contractor certification (business) plus a Dwelling Contractor Qualifier (individual) credential from the Department of Safety and Professional Services (DSPS). Gas-fired equipment also requires the installer to hold an HVAC Qualifier and, for plumbing/gas, a Master Plumber or Plumbing-Restricted Service credential. Milwaukee, Madison, and Green Bay each require local mechanical licensing as well. Verify at licensesearch.wi.gov.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Wisconsin Department of Safety and Professional Services (DSPS) — Dwelling Contractor certification (plus municipal HVAC licensing) · Company data: verified business records + Google Business profile
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