100% Satisfaction Guarantee

Uncompromising integrity!

For the sixth year in a row, MCM Air is proud to announce that we have earned Carrier’s highest customer service award.


The Carrier President’s Award!
We’ll exceed your expectations or we’ll come back until we do. The simple truth is that you want the best products for your budget and you want quality in a name brand that adds value to your home or office.


That’s why we’re a Carrier Factory Authorized Dealer.

Serving Oshkosh, Winneconne and all Fox Valley communities with quality Carrier products, for heating and air conditioning system repair and service, new construction and remodeling.

MCM Air is interviewing HVAC technicians for part-time or full-time seasonal work.


MCM Air is an equal opportunity employer.


Proudly serving the Oshkosh/Winneconne area since 1990.

MCM Air, Inc. is dedicated to providing quality comfort solutions for your home or business. You can count on our trained, professional staff to present you with a superior solution tailored to your unique HVAC system needs.

  • No Extra Charge for Filter Drop Off to Our Valued Customers Homes
  • Residential Heating & Cooling Solutions
  • Light Commercial – Including Ventilation
  • System Design & Installation – New Construction
  • System Retrofit & Replacements

Schedule An Appointment Now

Click Here to Apply for Financing
with Approved Credit

(Subject to credit approval.  Ask for details.)


Click Here to Learn About Our Star Service Plan

How can we help you?

Email Us or  Call Us
With any questions or concerns regarding your heating and cooling system.

Repair My Furnace Or Air Conditioner

MCM Air services all makes and models. Contact us and we’ll send a technician to your home as quickly as possible. For urgent repair or emergency service please call 920-582-4402

Prolong The Life Of My Existing Hvac System

Keeping your system properly maintained will lower energy and repair costs, prevent breakdowns and prolong the life of your equipment. Neglecting necessary maintenance ensures a steady decline in air conditioning performance while energy use steadily increases.

Maintain, Check And Calibrate My Furnace/Air Conditioner

Seasonal maintenance of your furnace and air conditioner will help lower your energy costs and minimize the chance you’ll need emergency service.  Contact MCM Air to schedule your furnace and air conditioner clean and check.  Without warranty coverage, a breakdown can mean significant expense in parts, labor, or both. However, with one of our service agreements, you avoid that unexpected significant expense. While no warranty can guard against every possible problem, we can explain the broad range of protection our service agreements afford.

Replace My Furnace Or Air Conditioner

How do I determine what system is the best fit for my home comfort needs?

MCM technicians are trained to diagnose your home comfort needs and make recommendations on the best Carrier heating and cooling system for your home and your budget.


From Greg and Debbie: To MCM Air, I really appreciated you working around my crazy schedule…