Refrigerant and Legacy Systems
Older AC units may use R-22 refrigerant, which has been phased out and is no longer produced. Replacing an R-22 system is often more practical than repairing it. See our R-22 phase-out guide for details.
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Related Services & Guides
Related Services
Chicago Service Areas and ZIP Codes
HVAC Chicago Pro provides mobile HVAC service across Chicago. We dispatch technicians to your location and do not maintain a physical office in every ZIP code. The ZIP codes below fall within our approved service territory.
Frequently Asked Questions
Request a replacement assessment
Submit a service request and a coordinator will contact you to confirm technician availability. We do not confirm an appointment until availability is verified.
What happens next: A coordinator reviews your request, confirms the service type and location, and contacts you to schedule.
For emergencies: Call (312) 555-HVAC or request emergency service. For a gas leak or carbon monoxide, leave the building and call your gas utility or 911 first.
Request a replacement assessment
Submit a service request and a coordinator will contact you to confirm technician availability. We do not confirm an appointment until availability is verified.