HVAC Services in Chicago and Surrounding Areas
4J’s Heating and Cooling provides residential and commercial heating, cooling, and refrigeration services in Chicago and nearby neighborhoods. We diagnose equipment problems, explain repair and replacement options, and provide maintenance for furnaces, air conditioners, boilers, and commercial refrigeration systems.
Heating, cooling, and refrigeration services
- Furnace installation and replacement for homes and businesses.
- AC repair and diagnostics for cooling and airflow problems.
- Air conditioning installation and system replacement.
- HVAC maintenance to help keep heating and cooling equipment operating properly.
- Commercial refrigeration service, including walk-in cooler and freezer repair and maintenance.
We serve Lincoln Square, Jefferson Park, Portage Park, Irving Park, Albany Park, Logan Square, Avondale, North Center, Lakeview, and surrounding areas. View our service areas and completed work by ZIP code.
Call 847-454-4049 to request HVAC or refrigeration service in Chicago, or send a service request. Share your service address and equipment problem so we can confirm coverage and availability.