A LEGACY OF QUALITY
25 Years of AC Repair & HVAC Excellence
From our first ac fix in 1999 to becoming Hillside's most trusted heating and cooling contractors, our journey is defined by precision and hvac maintenance expertise.
- Years Experience
- 25+
- Installations
- 5k+
- Emergency Service
- 24/7
-
NATE Certified
HVAC Technician
-
5-Star Rated
AC Fix Expert
-
Licensed
Heating Contractor
Our HVAC Journey & Milestones
Twenty-five years in the heating ventilating and air conditioning industry is a testament to our adaptability. From boiler repair to modern ac installation, we've mastered it all.
HVAC Company Founded
SquareHVAC opens its doors in Hillside, IL, as a dedicated heating contractor for the community.
Smart HVAC Solutions
Adopted high-efficiency air conditioner installation tech and advanced air purification.
Installation Milestone
Celebrated our 1,000th successful hvac system repair and installation in Chicago.
25 Years of HVAC Service
Recognized as a leading provider of 24/7 ac repair and furnace repair.
100%
Satisfaction Rate
24/7
Emergency Support
Most Trusted HVAC Contractors · Hillside IL
Top‑Rated HVAC Contractors &
Heating and Cooling Specialists in Hillside IL
Need expert AC repair in Hillside IL, air conditioner installation, or furnace repair? SquareHVAC is your local heating contractor providing 24/7 HVAC repair across Hillside IL 60162 and surrounding suburbs.
Serving Hillside IL and the greater Chicago area with precision air conditioner repair, boiler repair, and HVAC system repair. Trusted HVAC contractors near me for over 25 years.
- NATE‑Certified HVAC Technicians
- Licensed HVAC Contractor in Hillside IL
- Same‑Day AC Repair in Hillside IL