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Stay Warm this season — Trusted Heating from Your Local Experts
Keeping What's Important Comfortable since 1947™
For over 75 years, Wisconsin families have trusted us to keep their homes cozy, safe, and efficient.
+350 Google Reviews
- Locally Owned & Operated.
- Licensed & Insured Technicians Same-Day
- Same day Appointments Available
No Heat? No Problem. Call Your Local Furnace Experts
Request a service call or quote, and our team will follow up shortly
Stay Warm, Worry-Free, and Winter-Ready — Starting Today
When the temperatures drop, you don’t just need heat — you need peace of mind. That’s why we show up on time, prep your furnace the right way, and offer clear, honest pricing you can trust. No pushy sales. No surprise bills. Just a local team that treats your home like their own — so you can stay cozy, save energy, and enjoy a worry-free winter.
Locally Owned & Operated
We’re your neighbors — not a national chain. Our reputation in this community is built on keeping homes warm and safe through Wisconsin winters.
Expert Heating Technicians, Not Salespeople
Our furnace pros are highly trained and certified to diagnose and repair heating systems, recommending only what’s truly best for your home.
Full-Service Heating Solutions
From emergency furnace repairs to complete heating system replacements, we handle it all with care and precision to keep your family cozy all season.
Real People. Real Service
You’ll talk to a local heating expert, not a call center. And when a cold snap hits, we’re here after hours to make sure your heat stays on.
Straightforward, Honest Pricing
No gimmicks. No hidden fees. We believe in clear, upfront pricing for every repair and installation — so you can plan with confidence.
Need Furnace or Heating Service?
Fill out the form and our local team will be in touch.
All Your Heating Needs, Handled by Local Pros
- Furnace Repair – Quick diagnostics, honest quotes, and fast fixes to get the heat back on.
- Furnace Installation & Replacement – Energy-efficient options to keep your home warm and your bills lower.
- Seasonal Heating Maintenance – Prevent breakdowns, extend system life, and save money on energy costs.
- Emergency Heating Service – We’re here when you need us most, even on the coldest nights.
Bonus:
Ask about our heating maintenance plan and save money while keeping your system running at peak performance!
Special financing offers to keep your home warm
Give us a call to know more.
Wisconsin Homeowners Trust Sure-Fire, Inc.
Our team members live where you live, shop where you shop, and send their kids to the same schools. When you call Sure-Fire Heating & Air Conditioning, you’re not just getting great service — you’re supporting a local business built on Midwest values.
Don’t Get Stuck in the Cold!
Heating Service Slots Are Going Fast
Frequently Asked Questions
About Our Services
How quickly can you come and fix my furnace?
We offer same-day or next-day service in most cases. Our local team is ready to help when you need us—especially during the coldest winter days.
Do you charge for estimates?
Never. Our heating estimates are 100% free with no obligation. We believe in helping you make an informed, pressure-free decision—so you can stay warm with confidence.
What brands do you service or install?
We work on all major makes and models, and we proudly install Lennox systems — a brand known for quality and efficiency.
Is your work guaranteed?
Absolutely. A satisfaction guarantee and industry-leading warranties back all our furnace repairs and installations.
