HVAC Services in Chicago and Surrounding Areas
4J’s Heating and Cooling provides professional residential and commercial HVAC services throughout Chicago and the surrounding suburbs. We provide air conditioning repair and installation, furnace repair and replacement, boiler services, HVAC maintenance, and diagnostics.
Areas We Serve:
Chicago • Portage Park • Jefferson Park • Irving Park • Lincoln Square • Edison Park • Rogers Park • Lakeview • Logan Square • Avondale • Skokie • Niles • Arlington Heights • Highland Park
Need heating or cooling service? Call 4J’s Heating and Cooling at 847-454-4049 to schedule an appointment.
HVAC repairs and completed jobs by ZIP code
4J’s Heating and Cooling provides furnace repair, AC repair, boiler service, heat-pump service, and walk-in cooler and freezer refrigeration across Chicago and nearby suburbs.
Completed HVAC work in Chicago ZIP 60630
2 verified completed service visits, including HVAC service.
Completed HVAC work in ZIP 60201
1 verified completed service visit, including HVAC service.
Completed HVAC work in ZIP 60453
1 verified completed service visit, including HVAC service.
Completed HVAC work in Chicago ZIP 60608
1 verified completed service visit, including HVAC service.
Completed HVAC work in Chicago ZIP 60613
1 verified completed service visit, including HVAC service.
Completed HVAC work in Chicago ZIP 60626
1 verified completed service visit, including HVAC service.
Completed HVAC work in Chicago ZIP 60651
1 verified completed service visit, including HVAC service.
Recent approved repair work
Completed HVAC service in ZIP 60201
Furnace diagnostic service completed in Evanston ZIP 60201. 4J’s Heating and Cooling. Call (847) 454-4049.
Completed HVAC service in Chicago ZIP 60630
Furnace maintenance service completed in Chicago ZIP 60630. 4J’s Heating and Cooling provides heating, cooling and refrigeration service. Call (847) 454-4049.
Gas-valve service and heating repair in Chicago ZIP 60626
Gas-valve replacement completed in Chicago ZIP 60626 on October 12, 2026. 4J’s Heating and Cooling.