About Gilley's Heating & Air in Rockford, IL and surrounding areas

Built on Family Values and HVAC Excellence

When you need reliable heating and cooling service in Rockford, you want a team that understands how quickly our Illinois weather can shift—and how much depends on a system that works when you need it most. For more than 40 years, Gilley's Heating & Air has been Rockford's trusted name for honest, dependable home comfort service.



What started as a small, family-run heating business in 1985 has grown into one of northern Illinois' most respected HVAC and plumbing companies, built on craftsmanship, care, and a simple promise: We treat your home like our own.


We're guided by integrity, excellence, community, and respect—values that shape every decision we make, from the technicians we hire to the way we serve your family.


Discover why thousands of homeowners across Rockford trust Gilley's with their heating, cooling, and plumbing needs.

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Gilley's Heating & Air: Connected to the Rockford Community Since 1985

We're not a franchise or a corporate chain. Gilley's is family-owned, locally managed, and personally invested in every customer we serve. When you call us, you're working directly with a team that lives right here in the community—people who understand the unique challenges of freezing winters and humid Illinois summers because we experience them too.


From the historic brick homes lining East State Street to the newer developments in Cherry Valley and Loves Park, we've installed, repaired, and maintained thousands of heating, cooling, and plumbing systems across Rockford and the surrounding area. We know your neighborhood, your home's needs, and what it takes to keep you comfortable year-round.

We're proud to support homeowners and businesses across Rockford, Belvidere, Machesney Park, and nearby communities, helping our neighbors thrive with reliable service they can count on.


See how our local expertise makes a difference in your home. Call (815) 962-1927 to schedule an appointment today.

Where Craftsmanship Meets Complete Home Comfort Service

Our experienced team knows Rockford homes inside and out, and we treat each project as if it were our own. Every Gilley's technician is professionally trained, background-checked, and certified to ensure your home systems are handled safely and correctly—the first time.


  • Serving Rockford families since 1985 with proven experience and dependable results
  • Licensed, insured, and certified technicians who put safety and quality first
  • Honest, upfront pricing with no hidden fees or pushy sales tactics
  • Same-day service and emergency repairs when you need us most
  • Complete HVAC and plumbing solutions under one roof—from furnace and AC installation to water heater replacement and drain cleaning


When your furnace stops or your plumbing leaks, time matters. Contact Gilley's Heating & Air today for fast, reliable service backed by four decades of trust and a commitment to doing the job right. We're here to keep your Rockford home comfortable and safe, one system at a time.