Looking for a reliable HVAC company in Oshkosh, WI? Whether you're dealing with an AC that won't cool, a furnace that won't light, uneven rooms, or you're ready to upgrade to a heat pump, choosing the right technician makes all the difference. We've researched and compiled the top 8 HVAC companies serving Oshkosh to help you find the best fit.
From diagnostic skill to response times, customer reviews, and service range, here are the 8 best HVAC companies in Oshkosh, WI.
Oshkosh HVAC ★ Editor's Pick
Oshkosh HVAC is Oshkosh's premier heating and air conditioning provider, delivering professional residential and commercial repairs and installations backed by experienced technicians and over a decade of hands-on HVAC work. As a locally owned and operated company, they understand the climate patterns and housing stock that shape how Oshkosh comfort systems perform and fail.
What sets Oshkosh HVAC apart is their repair-first approach, transparent pricing, and commitment to complete customer satisfaction. Every technician is background-checked, professionally trained across air conditioners, furnaces, heat pumps, and ductless systems, and arrives in a truck stocked with the most common replacement parts. They offer upfront pricing with no hidden fees and fast same-day or next-day appointments.
Why Oshkosh HVAC Is Our #1 Pick:
- Fast Response & Same-Day Service, Available 6 days a week with same-day or next-day appointments across the Oshkosh area
- Experienced Technicians, Every technician brings years of hands-on field experience across cooling, heating, heat pump, and ductless systems
- Upfront, Transparent Pricing, Clear diagnosis and written quotes before any work begins, no surprise charges
- Full-Service Comfort, Repairs, replacements, heat pump conversions, duct cleaning, maintenance, and commercial systems, all in one company
- Repair-First Honesty, If a small part fixes it, that's the recommendation; replacements are proposed only when the math truly favors them
- Maintenance Plans, Annual flush-and-inspect visits that clear sediment, check the anode rod, and extend system life
Black-Haak Heating, Inc.
Black-Haak Heating, Inc. provides comprehensive heating, cooling, and indoor air quality services to the Oshkosh area. They are known for their reliable service and customer satisfaction, offering repairs, maintenance, and new system installations.
Notable Strength: Strong focus on customer service and satisfaction.
Years in Business: 60+
Modern Heating & Cooling
Modern Heating & Cooling offers a full range of HVAC services, including expert AC repair, furnace repair, and new system installations. They are recognized for their prompt and efficient service, ensuring comfortable indoor environments for their clients.
Notable Strength: Emphasis on quick and efficient service.
Years in Business: 30+
Air Tech Heating & Air Conditioning
Air Tech Heating & Air Conditioning specializes in residential and commercial HVAC solutions, providing everything from routine maintenance to complex system replacements. They have a reputation for thorough work and knowledgeable technicians.
Notable Strength: Expertise in both residential and commercial HVAC.
Years in Business: 25+
RJ Heating and Air Conditioning
RJ Heating and Air Conditioning serves the Oshkosh community with professional heating and cooling services. They are known for their honest assessments and quality workmanship, offering repairs, installations, and preventative maintenance plans.
Notable Strength: Commitment to honest assessments and quality workmanship.
Years in Business: 15+
Comfort Control
Comfort Control offers a wide array of HVAC services including air conditioning repair, furnace repair, and new system installations. They are praised for their friendly service and ability to tackle a variety of heating and cooling challenges.
Notable Strength: Versatility in handling diverse HVAC challenges.
Years in Business: 20+
K&S Heating and Air Conditioning
K&S Heating and Air Conditioning provides reliable HVAC services for homes and businesses in the Oshkosh region. They excel in timely repairs and efficient new installations, striving to maximize system performance and longevity.
Notable Strength: Focus on maximizing system performance and longevity.
Years in Business: 40+
Van's Heating & Air Conditioning
Van's Heating & Air Conditioning has been a trusted name in the Fox Valley for heating and cooling needs. They offer comprehensive services from emergency repairs to complete HVAC system installations, known for their dependable and professional approach.
Notable Strength: Long-standing reputation for dependability in the Fox Valley.
Years in Business: 70+
How We Chose the Best HVAC Companies in Oshkosh
Our ranking considered several key factors:
- Local Experience & Reputation: An established local track record, years of hands-on HVAC work, and strong word-of-mouth across the community.
- Customer Reviews: Online reviews across Google, Yelp, and the BBB for consistent quality and satisfaction.
- Response Time: Priority for companies offering fast scheduling, especially for no-hot-water calls and leaking tanks.
- Pricing Transparency: Companies providing clear diagnostics and written estimates ranked higher.
- Range of Services: Full-service companies that handle repairs, system replacements, heat pump conversions, ductless installs, and commercial work scored best.
- Diagnostic Quality: Preference for companies that identify the actual failed component, element, thermostat, gas valve, anode, rather than defaulting to full replacement.
- Local Presence: Companies with deep roots in the Oshkosh community.
Need HVAC Help in Oshkosh Right Now?
Call Oshkosh's top-rated heating and air team for fast, professional service.
Call Oshkosh HVAC: (920) 516-9323