When it comes to keeping your home comfortable year-round, Demers Heating and Cooling is your reliable local HVAC company in Chesterfield, MI. Whether you need a new furnace installed before winter, urgent AC repair during a heatwave, or professional duct cleaning to improve air quality, our licensed and insured technicians deliver prompt, thorough solutions customized to your needs. We handle everything from installing energy-efficient mini-split systems to diagnosing and repairing boilers, heat pumps, gas lines, and fireplaces.

Our team takes pride in honest service and clear communication. Expect a full assessment before we recommend repairs or replacements, and know that we never push unnecessary upgrades. We also specialize in thermostat installation and calibration, ensuring your HVAC system runs at peak performance and saves you on energy bills. For homeowners concerned about indoor air quality, we provide air purifier recommendations and proven strategies for allergy relief and cleaner living spaces.

Furnace & Heating Services

Stay warm and safe all winter long with Chesterfield’s preferred furnace services. From emergency repairs to efficient new installations and annual maintenance, Demers Heating and Cooling has the expertise to keep your system reliable. We repair all brands and styles of furnaces, boilers, and heat pumps, using genuine parts and industry-leading diagnostic tools for fast problem-solving.

Air Conditioning Services

Don’t let summer heat take over your comfort. Our AC experts provide full-service air conditioning installation and repair, including traditional central air, ductless mini-splits, and energy-saving upgrades. We offer seasonal tune-ups and troubleshooting for noisy, leaking, or underperforming equipment, ensuring your cooling system is ready when you need it most.

Duct Cleaning & Indoor Air Quality

Clean, well-maintained ductwork is essential for both efficient airflow and healthy indoor environments. Our comprehensive duct cleaning removes dust, allergens, and debris, improving your HVAC system’s performance and contributing to better air quality for your family. Ask about advanced filtration systems, humidifiers, and ventilation upgrades designed to keep your Chesterfield home’s air fresh and pure.

Boiler, Fireplace, and Gas Line Services

In addition to classic heating and cooling systems, Demers Heating and Cooling services boilers, gas fireplaces, and gas piping—delivering whole-home comfort solutions you can trust. Our team is fully trained to handle gas safety checks, leak detection, and code-compliant repairs for peace of mind and code compliance.

Choose Demers Heating and Cooling in Chesterfield, MI for honest estimates, flexible appointment times, and top-quality workmanship backed by years of local experience. Give us a call today and let us take care of your comfort—starting with a no-obligation quote!