Duluth, Georgia, homeowners trust Casteel for all their home maintenance needs. Our experts deliver comprehensive heating and air conditioning, plumbing, and electrical service to families all around Duluth and neighboring communities.

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We focus on your home comfort and safety so that you can focus on other things. Whatever home maintenance project you are planning, call Casteel for expert help today.

Air Conditioning

Professional tune-ups help your air conditioning system run more efficiently—saving you money on energy costs. Other AC services with Casteel include ductless systems, air quality checks, and thermostat installation and programming.


Heater tune-ups are an essential part of Casteel service. We know how crucial heat is in winter, so we focus on preventative maintenance to keep your equipment operating correctly. Beyond heating systems, we offer gas furnace and heat pump repairs plus Nest Smart Home thermostat help.


Plumbers at Casteel handle every pipe problem from the leaky kitchen sink to the clogged bathroom drain. Emergency services, inspections, and re-piping are all within our realm of expertise. Water filtration is another offering that keeps you safe at home, while water heater help ensures you have a hot shower every day of the week.


Whether you install new heating and cooling equipment or have other electrical needs, Casteel can help. Our electricians perform inspections, manage rewiring, replace panels, install equipment, and more.

Casteel Loves Duluth

Duluth, GA, 30026, is home to many notable attractions. The Southeastern Railway Museum, Infinite Energy Center, and Gwinnett Center are highlights of the neighborhood.

Casteel loves Duluth and the customers we serve here. It is our pleasure to keep you and your family safe and comfortable no matter the weather. We hope to remain part of your community for years to come.

Reach out to our professionals at Casteel Heating, Cooling, Plumbing and Electrical for reliable plumbing, heating, cooling, and electrical services. Call 770-852-8504 to get started.