F&S Master Air is a Rheem Pro Partner.
“Why Choose F&S Master Air?”

Simply put, HVAC is what we do! We’ve been keeping our customers’ heating and cooling systems running smoothly since 1986. As a Rheem Pro Partner Recognized Top Contractor, we guarantee your home and business comfort is our top priority.

Jason Frerking, President & CEO

F&S Master Air provides 24-hour emergency service, 7 days a week. Call (417) 862-7170 for immediate help.

24/7 Emergency Service!

We provide 24-hour emergency service, 7 days a week, including holidays. Our technicians are standing by to repair, service, or replace your HVAC system and components, for any brand on the market.

Our Services

Commercial HVAC Services

Own a business? From the small (single unit mom & pop) to the very large (multi-unit, multi-location), F&S can keep your HVAC systems running smoothly and cost-efficiently.
F&S Master Air - Commercial HVAC

Nothing is more frustrating as a home-owner than trying to turn on your AC or heat and having it not work. F&S came out very quickly and got the problem fixed before I was even done mowing my yard. My parents use F&S and recommended them to me, and I will do the same anytime someone asks me for a recommendation!

Rob M.

- Springfield, MO

The Latest from F&S Master Air

House Too Humid From All the Rain?

House Too Humid From All the Rain?

Are you dealing with excess humidity, from rainy weather or other sources? F&S Master Air explains why, and how, to fix the problem in this post.

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End of Winter Maintenance for Your HVAC: Preparing for Spring

End of Winter Maintenance for Your HVAC: Preparing for Spring

Learn how to prepare your HVAC system for spring as winter comes to a close. Now is a great time for maintenance from professionals like F&S Master Air!

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Covering Your Outside A/C Unit in Winter: Pros and Cons

Covering Your Outside A/C Unit in Winter: Pros and Cons

Learn the pros and cons of covering your A/C unit in the winter, if covering is called for, learn the right way to do so. Call F&S Master Air if help is needed!

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Serving the Springfield, MO area since 1986.

24 Hour Service