Professional Heating Services in Rockford, IL and surrounding areas

Stay Warm All Winter with Expert Furnace and Boiler Care

Rockford winters demand heating systems that start reliably on the coldest mornings and run efficiently through months of subzero wind chills and heavy snow. Gilley's Heating & Air provides comprehensive HVAC heating repairs, maintenance, replacements, and installation services for furnaces, boilers, and electric, gas, or oil systems, ensuring your home stays warm and your energy bills stay manageable.


Every technician carries Illinois HVAC contractor licensing, EPA 608 certification, factory training credentials, and $2M liability insurance.


As certified American Standard representatives, we back all installations with a 10-year manufacturer warranty and offer access to the latest high-efficiency technology from top brands including Carrier, Trane, Lennox, Bryant, Rheem, and Goodman.


Call (815) 962-1927 today to schedule heating services in Rockford.

Furnace and water heater in a basement with ductwork and a red vacuum.
American Standard furnace ad. Text:

Why Choose Professional Heating Services in Rockford, IL and surrounding areas

Our factory-certified dealer status means direct manufacturer support, extended warranties, and access to the newest technology that smaller contractors can't offer.

Proper heating system performance begins with accurate sizing. Oversized or undersized equipment leads to wasted energy and uneven comfort.


Complete installation includes inspections, ductwork modifications, electrical upgrades, and final testing. Gilley's Heating & Air handles every detail, so you get turnkey service from one trusted contractor who stands behind the work long after the job is done.


Whether you need a minor repair on a 15-year-old furnace or a complete system replacement in a century-old Rockford home, we bring the tools, training, and transparency to get it right the first time.


Reach out today for professional heating services.

What Should Rockford, IL and surrounding areas Residents Expect

You can count on licensed professionals who understand local building codes, seasonal heating demands, and the specific challenges of Illinois climate conditions.


  • What's included in the service? Comprehensive repairs, maintenance, replacements, and installations for all furnace and boiler types, with upfront pricing and no hidden fees.
  • How do we handle complex installations? We perform all inspections, modify ductwork, upgrade electrical systems, and complete final testing to ensure peak efficiency and safety.
  • What makes our approach different? As certified American Standard representatives with factory training, we offer direct support and 10-year manufacturer warranties on all installations.
  • Why is local expertise important? We know Rockford's harsh winters, older housing stock, and unique heating challenges, so we recommend systems built to handle deep freezes and long heating seasons.
  • What guarantee do we provide? Every installation includes a 10-year manufacturer warranty, full insurance coverage, and the backing of licensed, EPA-certified technicians with decades of experience.


You deserve warmth and reliability when temperatures drop. We serve Rockford, Loves Park, Machesney Park, Belvidere, Cherry Valley, and surrounding Illinois communities. Contact us today to schedule heating services in Rockford.