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Find heating, cooling, indoor air quality, water heater, maintenance, financing, and other home comfort resources from Sun Services Heating & Air Conditioning. We proudly serve homeowners throughout Southwest Michigan and the Michiana area.

Heating & Cooling

Air Conditioners
Professional air conditioner installation and replacement options for your home.

Air Handlers
Explore American Standard air handlers and indoor HVAC equipment.

Gas Furnaces
Explore American Standard gas furnaces and professional furnace installation.

Heat Pumps
Heating and cooling options designed to provide year-round home comfort.

Boilers
Professional boiler installation, replacement, and service.

Radiant Heating
Explore radiant heating solutions for comfortable, even heat throughout your home.

Garage Heaters
Professional garage heater installation for comfortable heated workspaces and garages.

HVAC Service & Maintenance

Preventative Maintenance
Explore Sun Services preventative maintenance options for heating and cooling equipment.

Repair or Replace
Learn what to consider when deciding whether to repair or replace your HVAC system.

DIY HVAC Troubleshooting
Simple homeowner checks for common furnace, air conditioner, heat pump, boiler, and thermostat problems.

Services & Past Projects
Explore Sun Services HVAC services and examples of projects completed throughout the communities we serve.

Indoor Air Quality & Comfort

Air Cleaners
Explore whole-home air filtration and air-cleaning options.

Whole-Home Humidifiers
Explore whole-home humidification options for improved indoor comfort.

Whole-Home Ventilators
Learn about whole-home ventilation, Energy Recovery Ventilators, and fresh-air solutions.

Thermostats
Explore smart, programmable, and traditional thermostat options.

Water Heaters

Tank Water Heaters
Explore A. O. Smith gas and electric tank water heater options.

Tankless Water Heaters
Explore A. O. Smith tankless water heaters and professional installation options.

Financing, Warranties & Special Offers

Financing Options
Learn about financing options available for qualifying home comfort projects.

Extended Warranties
Explore extended warranty options for qualifying HVAC equipment and water heaters.

Special Offers & Coupons
View current Sun Services heating, cooling, water heater, and home comfort offers.

About Sun Services

Our Story
Learn how Sun Services began and how we've served Southwest Michigan and Michiana since 1998.

Contact Sun Services
Contact our team with questions about heating, cooling, indoor air quality, water heaters, or other home comfort services.

Schedule HVAC Service

Need heating or cooling service, preventative maintenance, new equipment, indoor air quality solutions, or water heater service?

Schedule Service

Call or Text: 269-684-3898

Sun Services Heating & Air Conditioning
2001 Weiser Road
Niles, MI 49120

Serving Niles, Buchanan, Cassopolis, Dowagiac, Edwardsburg, South Bend, Mishawaka, Granger, and surrounding Southwest Michigan and Michiana communities. Your homepage currently identifies these as your primary service communities.