Janesville, WI - heating & cooling since 1997

Heating & cooling done right.

When your furnace stops on a cold Wisconsin morning or your air conditioner quits in the middle of July, you need a company you can trust - one that answers the phone, shows up on time, and tells you the truth about what needs to be done. That's been J.C. Heating and Cooling since 1997.

Call (608) 752-2472 Explore Services

Mon-Fri 8am-4pm - Call or text (608) 752-2472

What we do

What we do, done right

From seasonal AC tune-ups and furnace maintenance to full system installations and commercial HVAC projects, we handle it all - all major brands, specializing in Daikin.

Heating

Furnace repair, installation and replacement - honest diagnosis, no upsells, no scare tactics.

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New Daikin air conditioner installed beside a brick wall

Cooling

AC repair, replacement and installation for Janesville summers - most repairs done in one visit.

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Two JC technicians giving a thumbs up beside a new unit

Heat Pumps & Mini Splits

Efficient heating and cooling in one system - including Wisconsin rebate guidance and ductless options.

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Commercial HVAC

Rooftop units, commercial refrigeration and maintenance agreements for Rock County businesses.

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The J.C. Heating and Cooling office in Janesville

Our home base - 300 South River St., Janesville

Why choose JC

Not a call center - a family.

When you call JC Heating and Cooling, you're not reaching a call center. You're reaching a family that has been servicing Janesville homes and businesses since 1997 - Jason, Dawn, McCauley, and Keeley Cox, backed by a dedicated team that includes U.S. Army, Air Force, and Marine Corps veterans.

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Locally family-owned since 1997We live here, work here, and built our reputation on what our customers say about us.
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Veteran-owned businessFounded by Army veteran Jason Cox; veterans serve across our team.
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Licensed & insuredCertified technicians with ongoing training on the latest equipment.
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Authorized Daikin Comfort Pro DealerA designation earned on installation quality, customer satisfaction and technical expertise.
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Best of the Best winner - 2025 & 2026Voted by the Janesville community we serve.

Happy customers

What your neighbors are saying

“

Quick and easy process to schedule our A/C check. Friendly technician arrived on time, checked our unit, offered some options for making it work better for us. Completed the repairs quickly at a fair price. Very happy with the service we received!

Laura H.

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Always on time, careful and thorough job every time we call them, polite and respectful in person and of customers property. Jason is so knowledgeable and we trust him every time we need his services. We will always call J.C. Heating and Cooling for all our needs!

Kari L.

“

So impressed with the whole crew! Fast reliable service and a pleasure to work with! Very happy I chose this company to help when my furnace stopped working. Highly recommend!

Camille F.

Where we work

Serving Rock County

From our downtown Janesville home base, we serve homeowners and businesses throughout Rock County and beyond.

JanesvilleBeloitMiltonEdgertonEvansvilleWhitewaterElkhornFort Atkinson

Free estimates available

Comfort, handled honestly.

Call or text (608) 752-2472, Monday through Friday, 8am to 4pm - or email us and we'll respond within one business day.

(608) 752-2472 Contact Us