11 Vetted Furnace Repair Companies in Janesville, WI (2026)

Why Janesville, Wisconsin Winters Make Timely "Furnace Repair" Critical

Prolonged subfreezing stretches and older furnace stock make prompt furnace repair critical for Janesville homeowners. When pipes freeze and heating loads spike, finding reliable technicians matters; searches for the best furnace repair companies in janesville wi rise during deep cold. Plan service before sustained cold arrives.

Quick Picks

Best Manufacturer-Authorized RepairJ. C. Heating and Cooling, Inc.
Daikin Authorized Dealer
Highest Vouched ScoreRock Valley Services, Inc.
Vouched Score: 84
Best for Gas Valve & Combustion RepairLloyd's Plumbing & Heating Corp
Gas valve, combustion & burner repair
Best for Furnace Tune-Up & MaintenanceRight Choice Rooter & Plumbing
Heating precision tune-ups

Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.

Compare top Furnace Repair providers in Janesville

#ProviderScoreGoogleYearsBest for
1Rock Valley Services, Inc.844.9 (455+)
★ Highest Vouched Score

Editorial: Rock Valley Services, Inc. lists furnace repair as a core residential service. The company shows strong local visibility on Google Maps. Janesville winters bring deep cold, so reliable heating response matters locally. Reviewer mentions indicate same-day heat restoration outcomes on many jobs.

Strengths:
  • High Google rating (4.9★ across 456 reviews)
2J. C. Heating and Cooling, Inc.835.0 (445+)29+
Manufacturer-Authorized Repair

Editorial: J. C. Heating and Cooling emphasizes furnace repair and diagnostics with concrete service focus. The company lists Daikin Authorized Dealer status for manufacturer-backed parts and service. The business reports 25+ years serving Janesville and Rock County homeowners. The team notes 24/7 emergency response and same-day service availability. Reviews and local awards point to punctual arrivals and responsive dispatching.

Strengths:
  • High Google rating (5.0★ across 446 reviews)
  • Long-established (29+ years in business)
  • Authorized Daikin Authorized Dealer
Reviewers praise:
  • punctuality
  • clear estimates
  • responsive dispatch
  • thorough diagnostics
When to choose them
  • You need no-heat / emergency furnace repair
  • You need furnace tune-up & maintenance
  • You need same-day or after-hours service
  • You want manufacturer-warranty installation work
  • You need to finance the work
3Right Choice Rooter & Plumbing814.9 (295+)
Furnace Tune-Up & Maintenance

Editorial: Right Choice Rooter lists furnace repair and emergency no-heat response among its services. The company notes same-day service and around-the-clock emergency response. Right Choice Rooter states it is family-owned and operates video inspections for diagnostics. Janesville winters favor prompt no-heat repairs, and the team advertises emergency coverage for cold snaps.

Strengths:
  • High Google rating (4.9★ across 295 reviews)
  • Emergency response: 24/7
When to choose them
  • You need no-heat / emergency furnace repair
  • You need furnace tune-up & maintenance
  • You need same-day or after-hours service
  • You prefer a family-owned operation
4Air Control Heating & Cooling LLC665.0 (10+)28+

Editorial: Air Control Heating & Cooling lists furnace repair and diagnostics as a core service. Air Control Heating & Cooling reports 25+ years serving southern Wisconsin. Air Control Heating & Cooling advertises emergency response available 24/7. Air Control Heating & Cooling notes a 10-year parts and labor warranty with services.

Strengths:
  • Long-established (28+ years in business)
  • Emergency response: 24/7
  • 10-Year labor warranty
Reviewers praise:
  • fast emergency response
  • thorough diagnostics
Reviewers flag:
  • Smaller review history (12 Google reviews)
When to choose them
  • You need same-day or after-hours service
  • You value a long-tenured local operator (28+ years in business)
5Robert’s Plumbing & Heating635.0 (7)23+

Editorial: Emergency response states a 1-2 hour technician arrival window for no-heat calls. Robert’s Plumbing & Heating notes family-owned operations since 2003. The company lists preventative maintenance programs and seasonal furnace tune-ups. Janesville winters can drop below zero; their stocked trucks aim for fast on-site fixes. Recent reviews praise same-day repairs and clear explanations of the diagnosis.

Strengths:
  • Long-established (23+ years in business)
  • Emergency response: 1-2 hours
  • Financing available
Reviewers praise:
  • punctuality
  • quick diagnosis
  • tidy workspaces
  • clear explanations
Reviewers flag:
  • Smaller review history (7 Google reviews)
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation
  • You value a long-tenured local operator (23+ years in business)
6Al Beyers Indoor Comfort Systems604.1 (70+)71+

Editorial: Emergency service is advertised as 24/7 for no-heat calls. Al Beyers notes heating repairs for forced-air furnaces and boilers. The company traces back over 70+ years in Wisconsin service. Janesville winters mean quick heat restoration is critical; their site emphasizes winter emergency availability.

Strengths:
  • Long-established (71+ years in business)
  • Emergency response: 24/7
  • Free estimates
Reviewers flag:
  • Mixed customer sentiment (score 60/100)
When to choose them
  • You need same-day or after-hours service
  • You value a long-tenured local operator (71+ years in business)
7Lloyd's Plumbing & Heating Corp574.1 (140+)
Gas Valve & Combustion Repair

Editorial: Lloyd's Plumbing & Heating Corp lists furnace repair and diagnostics among its core services. Lloyd's reports same-day emergency response for no-heat calls. Lloyd's advertises Wells Fargo financing options for larger repairs and installations. Janesville winters often drop below freezing, making prompt no-heat response more important than delayed scheduling.

Strengths:
  • Emergency response: same-day
  • Financing available
Reviewers flag:
  • Mixed customer sentiment (score 55/100)
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
8Butters-Fetting Co. - Janesville Branch544.8 (4)

Editorial: Butters-Fetting advertises commercial HVAC and boiler services for institutional and industrial clients. The Janesville branch lists scheduled maintenance and facility support services. The company website lists gas piping and boiler services at the Janesville address. Janesville winters demand reliable commercial heating service and skilled gas piping work.

Reviewers flag:
  • Smaller review history (4 Google reviews)
When to choose them
  • You have a commercial property
9Janesville Heating & Air3.4 (5)

Editorial: Janesville Heating & Air lists furnace and heating services under its business name. The company operates from 4727 N Colt Dr in Janesville. Janesville winters bring prolonged cold, increasing demand for fast heating repairs. Five Google reviews provide a small sample of recent customer experiences.

Reviewers flag:
  • No public website listed
  • Smaller review history (5 Google reviews)
  • Mixed customer sentiment (score 30/100)
10Janesville Heating & Air Conditioning Inc.3.2 (20+)

Editorial: Janesville Heating & Air Conditioning Inc. lists furnace repair among its core services. The business operates from 1260 Milton Ave in Janesville. Janesville winters bring regular subzero nights and rapid no-heat needs. The company maintains a visible Google Maps listing for local searches.

Reviewers flag:
  • No public website listed
  • Smaller review history (24 Google reviews)
  • Mixed customer sentiment (score 28/100)
11Sears Heating and Air Conditioning3.4 (10+)

Editorial: Sears Heating and Air Conditioning lists HVAC repair and replacement services online. The company shows a Jersey City service address at 50 Mall Dr W. Jersey City summers are humid, increasing dehumidification and sizing importance. Their public site lists an online booking and service request form.

Reviewers flag:
  • Smaller review history (10 Google reviews)
  • Mixed customer sentiment (score 50/100)

Score column blends public-record signals, customer reviews, and editorial assessment. Best for picks reflect our editorial weighting of those same signals against each category. See full methodology →

Typical Furnace Repair costs in Janesville, WI (2026)

Last updated

Estimated ranges for Janesville, WI. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
Furnace service call / diagnostic fee$70–$195
Flame sensor cleaning / replacement$75–$240
Hot surface igniter replacement (installed)$145–$435
Furnace gas valve replacement (installed)$290–$725
Draft inducer motor replacement (installed)$290–$775
Furnace control board replacement (installed)$385–$870
Heat exchanger replacement (repair-vs-replace inflection)$965–$3,400
Emergency / after-hours no-heat service premium$145–$485

How were these Janesville "Furnace Repair" providers evaluated?

This guide evaluated 11 Janesville furnace repair providers on Google review data, emergency-response claims, manufacturer-dealer status, warranty terms, and advertised pricing signals such as free estimates and financing options. Scores combine Google Maps ratings with extracted provider-declared signals for a transparent comparison.

  • J. C. Heating and Cooling, Inc. lists Daikin dealer status, free estimates, financing, and 24/7 emergency service per their site.
  • Right Choice Rooter & Plumbing states 24/7 emergency response and high review counts in Google Maps data.
  • Air Control Heating & Cooling LLC advertises a 10-year labor warranty and 24/7 emergency availability per the provider listing.
  • Robert’s Plumbing & Heating reports a 1–2 hour emergency response window and offers financing and maintenance plans.
  • Al Beyers Indoor Comfort Systems notes 70+ years in business and advertises free estimates and 24/7 emergency service.
  • Rock Valley Services, Inc. posts very high Google review sentiment scores, influencing its aggregated rating.
  • Lloyd's Plumbing & Heating Corp lists same-day emergency response and offers financing, per the extracted provider signals.
  • Butters-Fetting Co. - Janesville Branch and several smaller shops show moderate review sentiment and commercial maintenance focus.
  • Lower-scoring providers such as Janesville Heating & Air Conditioning Inc. and Sears Heating and Air Conditioning have weaker review sentiment on Google Maps.

Ratings and review counts are from Google Maps data; advertised warranties, dealer status, and service windows are taken from provider-declared signals and public listings.

How do I choose a Furnace Repair Company in Janesville?

  1. Verify license and insurance with the Wisconsin licensing board and local records.
  2. Compare Google Maps ratings and review counts for recent customer trends.
  3. Confirm emergency service terms and stated response windows directly with the provider.
  4. Request written warranty and financing terms before scheduling repairs.
  5. Check manufacturer-dealer status if equipment replacement or warranty transfer matters.

5 Furnace Failures Janesville Homes See First When Temperatures Drop

The most common furnace repair problems in Janesville are caused by prolonged subfreezing stretches that strain older furnaces and freeze external or condensate components. Cold snaps combined with aged equipment and heavy winter runtime increase failures such as ignition faults, frozen lines, heat-exchanger stress, and short cycling in Janesville homes.

  • Ignition and pilot failures. Prolonged subfreezing stretches in Janesville make older ignition modules and pilots fail after extended cold starts, causing no-heat calls.
  • Frozen condensate or drain lines. High runtime during Janesville cold snaps freezes condensate lines on high-efficiency furnaces, blocking drainage and forcing shutdowns.
  • Short cycling from thermal stress. Continuous heavy use during Janesville winters causes short cycling in older furnaces, which increases wear and raises the chance of control-board faults.
  • Cracked or stressed heat exchangers. Repeated freeze-thaw cycles and extended high-load operation in Janesville raise heat-exchanger stress, risking cracks that require urgent inspection.
  • Blocked vents and intake obstructions. Snow and drifting during Janesville winter storms can block outdoor air intakes or exhaust vents, causing pressure switch trips and unsafe venting conditions.
Warning: cracked heat exchangers and blocked vents can raise carbon monoxide risk. Have a licensed technician inspect systems after heavy cold spells.

Why Janesville’s population size and winter seasonality shape local "Furnace Repair" availability

Long, subfreezing winters in Janesville drive heavy furnace runtime and rapid wear on older systems, increasing demand for emergency repairs and certified inspections. This seasonal pressure concentrates calls during cold snaps and makes around-the-clock service and heat-exchanger expertise especially valuable for homeowners.

Janesville's prolonged cold spells increase furnace runtime and accelerate component fatigue.

That fatigue raises ignition failures, short cycling, and heat-exchanger stress during winter peaks.

Evaluated providers reflect these needs. Many advertise emergency service availability to answer cold-snap call volumes.

Look for contractors who list emergency service availability and high review counts. Those signals show winter responsiveness.

Also prefer providers with heat-exchanger inspection processes and condensate-line thawing experience. These skills address freeze-related failures directly.

Stat: Several evaluated Janesville furnace repair providers advertise emergency service.

What should Janesville homeowners ask before hiring a "Furnace Repair" contractor?

How do I get a quote from these furnace repair companies?
Submit one request on this page and we send it to the vetted furnace repair pros in Janesville, WI listed here. They send quotes back — no obligation.
Typical furnace repair pricing in Janesville, WI: what should I budget?
Furnace service call / diagnostic fee typically runs $70–$195, and hot surface igniter replacement runs $145–$435 in Janesville, Wisconsin. See the Furnace Repair pricing table on this page for the full per-service breakdown.
Do Janesville furnace repair businesses need a city-issued business license and bonding?
Yes. Janesville requires a business license and bonding for contractors performing furnace repair; verify with Janesville city records before hiring. Ask to see the business license and proof of bonding before hiring. Request documentation and verify that the bond is current with city records when possible.
Is insurance and workers' compensation required for furnace repair contractors in Janesville, WI?
Yes. Contractors must carry insurance and workers' compensation for employees. Confirm insurance policy limits and ask for a certificate of insurance that names the homeowner as additionally insured if the job or property owner requires it.
What should I ask if my gas furnace stops producing heat during a Janesville cold snap?
Ask whether the contractor offers emergency service availability and estimated same-day response options. Also confirm the technician's experience with gas-combustion systems and emergency safety checks for combustion and venting before work begins.
How do I find a technician qualified to inspect or replace a furnace heat exchanger in Janesville?
Look for technicians who list heat-exchanger inspection in writing and who perform leak testing and combustion analysis. Ask about experience with heat-exchanger crack diagnosis and whether inspection is included before replacement decisions.
What questions should I ask about igniter or flame-sensor repair for my Janesville furnace?
Ask whether the technician will test both igniter and flame-sensor circuits and check control-board diagnostics. Confirm parts warranty (advertised) and whether the service includes a post-repair safety start-up and visible combustion inspection.
How can I tell if a furnace blower or inducer motor needs repair versus replacement?
Request a diagnostics-first approach where the technician measures amp draw and bearings condition. Technicians should explain repair options, lifespan expectations, and whether a replacement motor matches furnace specifications and efficiency requirements.
What should a Janesville furnace tune-up include to reduce winter failures?
A proper tune-up should include filter checks, burner and ignition inspection, safety control tests, and condensate or vent inspection. Ask specifically about cleaning burners, checking heat-exchanger condition, and verifying thermostat calibration during the visit.
Do Janesville contractors service oil-fired furnaces, and what should owners ask them?
Many contractors service oil furnaces; confirm explicit oil-furnace experience. Ask about combustion-efficiency testing, nozzle and electrode checks, and whether the technician carries common oil-fired replacement parts for faster repairs.

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