JG
About
Welcome to John Green ThermalTech, where comfort meets expertise. Established in 1986, 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 Installation
- Commercial HVAC
- Duct Cleaning
- Indoor Air Quality
Brands We Work With
AM
Amana
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Credentials
- License: LIC-52456-US Verified(Illinois IDFPR)
- Insurance: Verified
- Background check: Passed
- Employees: 51-100
- Service radius: 45 km
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