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40+ years of Serving The Orlando Area


Emergency Service 7 days a week

40+ years of Serving The Orlando Area


Emergency Service 7 days a week


Casselberry, FL Air Conditioning, Heating, and Indoor Air Quality

Gary Munson Heating & Air Conditioning is an insured and licensed residential and commercial contractor serving Casselberry, FL. But we have much more to recommend us—such as our more than 40 years of history seeing customers receive only the highest quality work. Many of our technicians have been with us for more than a decade, and we’re like a family. We treat our customers like family as well and strive on each job to deliver the finest work on time. Look over the range of services we offer, and you’ll agree we’re the HVAC company to call.

Trust to the Central Florida family HVAC contractor.

Air Conditioning Installation and Replacement

You want choices from the best brands when you’re looking for an air conditioning system installation or replacement. We provide the top brands, like Daikin, Mitsubishi, and Trane, and thanks to our partnership with Daikin, we offer extended equipment warranties. If you’re looking for alternatives to central air conditioning, we can help you choose a ductless mini split or a heat pump that also works as an efficient heating system. Let us keep you cool in Casselberry, FL, no matter the heat!

Air Conditioning Repair and Maintenance

You’ll always be left in comfort when you trust in Gary Munson Heating & Air Conditioning to fix your malfunctioning air conditioner. Our fleet responds lightning fast to customer repair needs, any time of the day or night. No job is too big or too small for us to tackle. We know how important it is to get your AC working once again! We also recommend you join our Gary Munson MVP Plan to take care of your air conditioning system year after year.

Heating Installation and Replacement

Do you think often about warming up your house in Casselberry, FL? Maybe not often, but we’re sure it’s something you’ve had to deal with a few times. You can entrust any heating installation for your home to our technicians. We handle oil-to-gas conversions, and gas furnace-to-heat pump conversions. If you aren’t sure about the best way forward for heating your home, we’re always glad to help you with the choice. We value honesty and trust in our employees.

Heating Repair and Maintenance

No matter how often you use on your furnace or heat pump during cooler weather, when it breaks down you must rely on a licensed professional for the repair work. Any other option is potentially dangerous! Gary Munson Heating & Air Conditioning has the licensing to work on all types of gas and electric heating systems, and our team and their vans are ready around the clock to get your heater working. If you’re a member of the Gary Munson MVP Plan, your heating maintenance needs are also covered.

Indoor Air Quality

Cough, sneeze, snort! Are these sounds too common in your home in Casselberry, FL during the allergy season? We want to help you beat allergies and other indoor air quality troubles. Our IAQ specialists install many types of air quality systems from top manufacturers, such as Reme Halo. From basic filters to powerful UV air purifiers to wipe out mold spores and germs, we know how to give you a healthy household. Schedule IAQ and duct repair service with us.

Commercial Services

Gary Munson Heating & Air Conditioning takes pride in serving the greater community, and that means helping with the HVAC and refrigeration needs of local businesses. We handle installation and replacement of heating, air conditioning, and indoor air quality systems for commercial spaces, as well as top-flight repairs and extensive maintenance. You’ll have a hard time finding a contractor who offers as many commercial refrigeration jobs—from building cooling boxes for florists to installing full ice cream and draft beer systems, we handle it all.