Furnace Repair
Fast, reliable furnace repair across Wausau and Marathon County — 24/7 emergency response, all major brands.
Learn more →3.7 · 3 Google reviews
Trusted AC Repair in Wausau, WI
Need AC repair? We also handle furnace repair, heat pump service, and HVAC maintenance across Marathon County — with 24/7 emergency response.
- ✓ In Business Since 1999
- ✓ 24/7 Emergency Service
- ✓ Licensed & Insured
- ✓ Manufacturer Warranties
Heating · Cooling · Commercial
Licensed Contractor
WI #696255-HVACCONT
3.7★
Google rated (3 reviews)
25+
Years in business
15
Cities served
Licensed & Insured
WI #696255-HVACCONT
Heating & Cooling Services in Wausau, WI
Residential, commercial, and industrial HVAC — every job backed by manufacturer and labor warranties.
Furnace Installation
Professional furnace installation and replacement. High-efficiency systems sized for Wisconsin winters.
Learn more →AC Repair
Same-day AC repair across Wausau and Marathon County. Licensed techs, all brands, restored cool air fast.
Learn more →AC Installation
New central AC and ductless mini-split installation. Efficient, properly sized systems with full warranties.
Learn more →Heat Pump Services
Heat pump installation, repair, and maintenance. Cold-climate and dual-fuel systems for Wisconsin winters.
Learn more →HVAC Maintenance
Seasonal HVAC tune-ups to prevent breakdowns, extend equipment life, and keep your manufacturer warranty valid.
Learn more →Commercial HVAC
Commercial and industrial HVAC for area businesses — rooftop units, boilers, chillers, 24/7 service contracts.
Learn more →Emergency HVAC Service
24/7 emergency HVAC across Wausau and Marathon County. Real person on the phone, day or night.
Learn more →Wausau's Local HVAC Experts Since 1999
Owner Ron Borchardt founded the company in 1999. Today our team brings 40+ years of combined HVAC experience to every furnace repair, AC install, and emergency call — and we're still locally owned, not a national chain.
- ✓Licensed Wisconsin HVAC Contractor #696255-HVACCONT
- ✓24/7 emergency response — a real person answers
- ✓Manufacturer & labor warranties on every install
- ✓Credit cards accepted · transparent upfront pricing
- ✓Locally owned & operated in Wausau
Ron Borchardt, Owner
Founded 1999 · Wausau, WI
"We answer the phone — even at 2 a.m. in January. That's the promise."
Serving Wausau, Marathon County & Surrounding Areas
Click your city for local HVAC service information — AC repair, furnace service, heat pumps, and emergency response.
No Heat? No AC? We Answer 24/7
Emergency dispatch across Wausau and Marathon County — day, night, weekend, or holiday.
What Wausau Homeowners Say
"Called Borchardt's on a Sunday when our furnace quit. Ron was at the house within two hours and had us back up the same evening. Honest pricing and great people."
Sarah M.
Wausau, WI
"Replaced our 20-year-old AC with a new high-efficiency unit. Clean install, fair price, and our electric bill dropped noticeably. Highly recommend."
Dan K.
Rothschild, WI
"Used them for annual furnace maintenance for years. Always on time, always thorough. Family business that actually cares."
Lisa P.
Schofield, WI
See all reviews on Google →
Ready to Get Comfortable? Call Borchardt's
Call Borchardt's Heating & Cooling for fast, honest service across Wausau and Marathon County — 24/7 emergency response available.