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50 Years
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Emergency
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Trusted HVAC Solutions in Winneconne, WI
M C M Air is dedicated to providing quality comfort solutions for homes and businesses in the Fox Valley region. Established in 1976 as MCM Builders, the company transitioned to specialize in HVAC systems in 1990, becoming the only Carrier Factory Authorized Dealer in the Oshkosh/Neenah/Winneconne area. Our team of NATE-certified technicians combines decades of construction expertise with advanced HVAC technology to design tailored systems that ensure optimal comfort and energy efficiency.

We stand behind our work with a 100% Customer Satisfaction Guarantee and offer 24/7 emergency service, free furnace filter delivery, and upfront pricing. With over 45 years of experience and nine consecutive Carrier Presidents Awards, we prioritize uncompromising integrity, personalized service, and long-term customer relationships.
Services
HVAC Repair System Installation Preventative Maintenance Ductwork Fabrication Zoning Systems Boiler Services Air Quality Solutions Garage Heating Heat Pump Installation Thermostat Upgrades
Details
  • Year established: 1976
Highlights and features
  • Over 45 years of HVAC expertise since 1976
  • Only Carrier Factory Authorized Dealer in the region
  • NATE-certified technicians for industry-leading expertise
  • 24/7 emergency repair services available
  • Carrier credit card financing options for flexibility
Associations and certifications
  • Carrier Presidents Award
  • NATE Certified
What people say
Exceeded expectations Professional crew 24/7 emergency service Clean installations Knowledgeable technicians
Services
HVAC Repair
M C M Air provides comprehensive repair services for all furnace, boiler, and air conditioning systems. Our NATE-certified technicians diagnose issues quickly and perform precise repairs to restore comfort. With 24/7 emergency availability, we address urgent heating and cooling failures promptly, minimizing downtime during extreme weather conditions.
System Installation
We specialize in installing high-efficiency Carrier heating and cooling systems tailored to your home's specific needs. Our team handles complete system replacements, including ductwork modifications and zoning solutions. With free in-home estimates and financing options, we ensure seamless installations that improve energy efficiency and indoor comfort for long-term satisfaction.
Preventative Maintenance
Regular maintenance extends equipment lifespan and prevents unexpected breakdowns. Our technicians perform thorough inspections, clean components, and optimize system performance during seasonal tune-ups. This proactive approach reduces energy costs by up to 30% and maintains manufacturer warranty validity for Carrier systems we install.
Ductwork Fabrication
M C M Air's in-house sheet metal shop creates customized ductwork solutions for new constructions and renovations. We design efficient ventilation systems that minimize energy loss while ensuring proper airflow distribution. This specialized service eliminates the need for third-party contractors, maintaining quality control from fabrication to installation in residential and commercial projects.
Zoning Systems
Our zoning solutions allow independent temperature control for different areas of your home. Ideal for multi-story buildings or finished basements, these systems enhance comfort while reducing energy waste. We integrate advanced thermostats and dampers to create personalized climate zones that adapt to your lifestyle and improve overall HVAC efficiency.
People
Ryan Olson
Owner
Ryan Olson leads M C M Air with over 45 years of family legacy in the HVAC industry. Building on his father's 1976 foundation, he transitioned the company to specialize in Carrier systems while maintaining a customer-first approach. Ryan ensures every project reflects MCM's commitment to quality craftsmanship and innovative solutions.
Questions
What HVAC services does MCM Air offer?
We provide complete HVAC solutions including repair, installation, and maintenance for furnaces, air conditioners, boilers, heat pumps, and indoor air quality systems. Our services also include custom ductwork fabrication and zoning system installations.
Are emergency HVAC services available?
Yes, we offer 24/7 emergency repair services with dedicated after-hours contact numbers to address urgent heating and cooling issues promptly during critical weather conditions.
Do you offer financing options?
We provide Carrier credit card financing options for HVAC purchases, allowing customers to pay over time with special promotional offers and convenient monthly payment plans for approved applicants.
Why choose Carrier products?
Carrier systems offer superior energy efficiency, advanced technology like smart thermostats, and comprehensive warranties. As a Factory Authorized Dealer, we ensure proper installation and access to Carrier's industry-leading support and product guarantees.
How often should HVAC maintenance be performed?
We recommend seasonal maintenance twice yearly for optimal performance. Regular tune-ups prevent breakdowns, maintain energy efficiency, and preserve manufacturer warranties for both heating and cooling systems.
What areas do you service?
MCM Air serves Winneconne, Oshkosh, Neenah, and all Fox Valley communities in Wisconsin, providing both residential and commercial HVAC solutions with local expertise and quick response times.