Heating
Reliable heating services to keep you warm all winter long.
Explore heating →Heating · Cooling · Air Quality
Heating & Cooling Installation and Service Provider
Your comfort, our priority — year-round. Trusted, family-owned HVAC service across the Fox Valley and Northeast Wisconsin.
Our Services
From installs to emergencies, we keep homes and businesses comfortable in every season.
Air Conditioning
Stay cool with expert AC installation, repair, and maintenance.
Explore cooling →Air Quality
Cleaner, healthier air with expert indoor air-quality solutions.
Explore air quality →24/7 Emergency Service
Around-the-clock response for immediate indoor comfort when you need it most.
Emergency service →Commercial HVAC
Reliable indoor comfort with expert commercial HVAC solutions.
Talk to us →Why Choose Us?
We serve Northeast Wisconsin with the care of a neighbor and the skill of seasoned pros.
Local & Family-Owned
As a family-owned business, we take pride in serving our community with a personal touch, ensuring each project gets the attention it deserves.
Fast & Reliable Service
We understand the importance of time, which is why our team is committed to delivering quick and dependable solutions that meet your needs.
Serving the Fox Valley
Proudly serving the Fox Valley and beyond, our team brings extensive local knowledge to every job and a strong commitment to our neighbors.
Affordable, Top-Quality Care
We offer competitive pricing without compromising on quality, delivering exceptional service that fits your budget.
Best of The Valley — Readers’ Choice Award
Randerson Heating & Cooling is proud to have won the prestigious Readers’ Choice Award for Best of The Valley. This recognition reflects our unwavering commitment to providing exceptional heating, cooling, and air-quality services to our community — and to exceeding expectations with every service we provide.
What People Are Saying
Real comfort, from real neighbors across Northeast Wisconsin.
“I’m so glad I called Randerson for air conditioner maintenance before the heat wave hit! The technician was thorough, friendly, and made sure everything was running perfectly. Thanks to them, my home stayed cool and comfortable, even during the hottest days.”
Cindy · Clintonville, WI
“Randerson handled the furnace and air conditioning installation for our new upstairs office space, and we couldn’t be more pleased. They were attentive to our needs and kept disruption to our business minimal. Our team now enjoys a comfortable workspace year-round.”
Michael · De Pere, WI
“I recently had both a new furnace and air conditioning system installed by Randerson, and I couldn’t be more impressed. The technicians were professional, efficient, and took the time to answer all my questions, making the whole experience stress-free.”
Amy · Kimberly, WI
Don’t hesitate — ask us about our work!
Request a quote or schedule service and we’ll get right back to you.