Residential Heating and Air-Conditioning Services

Service for All Brands of Home Heating and AC Systems

Since 1930, H.R. Stewart Inc. has provided expert furnace repair, sales, and service to keep families comfortably warm in their homes all winter long.

We're an authorized Carrier® dealer. Our trained professionals are available for 24/7 emergency service. Call now for your free estimate.

Need Furnace Repair Services?

At H. R. Stewart, we service and repair all makes and models of heating systems. Our factory-trained technicians will expertly diagnose, repair, and service your furnace or HVAC unit to restore maximum efficiency and comfort.

We offer 24-hour service seven days a week. We repair all brands and models of furnaces including electric furnaces, oil furnaces, gas furnaces, heat pumps, and boilers for residential and commercial customers. We offer priority emergency service for our maintenance agreement members.

H. R. Stewart Heating Services

• Residential and Commercial Heating
• New Construction
• Heating Installation
• Furnace Repair
• Heating Repair All Brands and Models
• Heating and Furnace Maintenance
• Boiler Installation and Service
• Radiant Floor Heating
• Mini Splits
• Whole-House Humidifier Systems
• Thermostats
• Wi-Fi Thermostats
• Programmable Thermostats
• Ductwork Replacement and Repair
• New Furnace Installation
• UV Germicidal Lamps

Learn More About Our AC & Furnace Systems

Never Pay for Overtime With a Service Agreement!

When is the last time you changed the filter or humidifier pad? If you can't remember, let us keep track. At H. R. Stewart, we go the extra mile to ensure each of our clients understands our commitment to their safety and satisfaction. Our family-owned and -operated business has solved furnace problems in Cary for three generations. We treat each of our clients like family.

Our maintenance agreements help you save on repairs, and you never pay for overtime when you're enrolled.

Whether you need furnace or AC maintenance, installation, or repair, count on us to deliver dependable heating in Cary, IL. Our team has the experience to understand your needs, the training to determine the best solution, and the tools to succeed. Contact us to request a service call today.