CN
About
Welcome to Chicago National Group, where comfort meets expertise. Established in 1969, we have grown to become one of Chicago's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the Illinois area.
Services
- AC Repair
- Commercial HVAC
- Energy Audits
- Thermostat Installation
- Ventilation
Brands We Work With
LX
Lennox
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Credentials
- License: LIC-99657-US (Illinois IDFPR)
- Insurance: Not verified
- Background check: —
- Employees: 51-100
- Service radius: 38 km
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