Reliable Heating, Plumbing, and Air Conditioning Services for Homeowners in Gainesville, Georgia

For more than thirty years, Georgia residents have turned to Casteel for their heating and air conditioning needs, plumbing maintenance, and repairs. Here at Casteel, we pride ourselves on providing Gainesville with customer service that goes above and beyond. Our customers choose us time and again because they know they can expect outstanding results every time.

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Air Conditioning

Anyone who lives in Georgia knows that air conditioning is essential in the summer months, and Casteel is ready to take care of all your AC needs. We cover everything from installation to system tune-ups to repairs. We’re always standing by so that you never have to face a hot day with no way to cool off.


If the time for a new heater has come, Casteel can assist with installation. We also offer heater repair and professional tune-up services to keep existing units running like the day of their installation.


Aside from heating and cooling, Casteel offers a wide range of plumbing services, from water heater/garbage disposal replacement to drain clearing, plumbing line services, and more. We also install water filtration systems so that only the best quality water comes from your faucets.


It’s best to leave electrical matters at home to the professionals. Our team is trained in all kinds of electrical repair, and we can take care of a wide range of issues. Casteel can help with things like inspections, lighting installation, wiring and rewiring, surge protection, and more.

Casteel Loves Gainesville

Casteel loves serving the homeowners, families, and customers of GA. We service all Gainesville zip codes, including 30501, 30503, 30504, 30506, 30507, and 30566. So whether you’re located near Brenau University, Don Carter State Park, or the Atlanta Botanical Garden, you can rest assured that there’s a Casteel technician close to you.