Chicago National LLC

About

Locally owned and operated, Chicago National LLC is your trusted source for professional HVAC installation, repair, and maintenance in Chicago and the greater Illinois region. With over 58 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.

Services

• Duct Cleaning
• Geothermal Systems
• Ductless Mini-Split
• Radiant Heating

Brands We Work With

Credentials

• License: LIC-85691-US Verified(Illinois IDFPR)
• Insurance: Verified
• Background check: Passed
• BBB: AAccredited(2 complaints)BBB Profile
• Employees: 11-25
• Service radius: 72 km

Reviews (2)

• ★★★★★
  Great service!

  Chicago National LLC diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.

• ★★★★☆
  Friendly and efficient

  Called Chicago National LLC for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.