AVAILABLE 24/7 FOR EMERGENCY CALLS
Call for a free Installation quote
Welcome to K&J
Trusted HVAC Services
Across Chicago’s
Western Suburbs
For over 25 years, K&J Heating & Cooling has proudly served homeowners across Chicago’s western suburbs.
Whether you need a furnace repair, air conditioner installation, or indoor air quality solution, our licensed technicians are nearby and ready to help. We combine big-brand reliability with small-town care — keeping your home comfortable in every season.
Areas We Proudly Serve
We provide expert HVAC service throughout the
western suburbs of Chicago, including:
- Wheaton
- Glen Ellyn
- Downers Grove
- Oak Brook
- Naperville
- Lombard
- Carol Stream
- Lisle
- Woodridge
- Elmhurst
- Villa Park
- Addison
If you’re unsure whether we service your area, give us
a quick call — chances are, we do!
Our SERVICES
Comprehensive HVAC Services Near You
Heating, Cooling & Air Quality — All Under One Roof
From emergency repairs to complete system installations, our team delivers dependable comfort backed by decades of experience.
We're HERE TO HELP
Local Experts.
Local Care.
We’re more than just an HVAC company — we’re your neighbors. Our family-owned business is built on integrity, transparency, and craftsmanship. That’s why homeowners across the western suburbs trust us year after year.
Family-owned and locally trusted since 1998
Licensed, insured, and certified technicians
Transparent pricing no hidden fees
Fast scheduling and dependable service
Let’s talk about better indoor air
Contact Us
© 2026 K&J Heating & Cooling. All rights reserved. Site design by EMSC.