Furnace and AC Service in Portage Park
4J’s Heating and Cooling serves homes and businesses in Portage Park and surrounding Chicago communities. Request diagnostics for a heating or cooling problem, discuss replacing existing equipment, or plan a maintenance visit. Provide your full address and ZIP code so we can confirm service coverage and appointment availability.
Start with the problem you are experiencing
- Furnace repair for no heat, repeated shutdowns or uneven temperatures.
- AC repair for poor cooling, weak airflow or water leaks.
- Furnace installation and replacement when you need to compare equipment and installation options.
- AC installation and replacement for a new cooling system suited to your space.
- Residential boiler installation for radiator or hydronic heating systems.
Plan for the next heating or cooling season
Ask about furnace maintenance or AC maintenance. Confirm the checks included for your equipment and the visit price before booking. If equipment has stopped operating, request a repair assessment rather than assuming maintenance will resolve the problem.
Information that helps us prepare
Tell us the equipment brand and model if available, when the issue started, and whether it affects one room or the whole property. For replacement estimates, describe your current system and comfort concerns. We discuss findings, proposed work and pricing before you authorize repairs or installation.
See the service-area map and approved job examples for recent work across the communities we serve.
Request service in Portage Park
Send a service inquiry, call 847-454-4049, or send a text message. Include your Portage Park address and the service you need. English and Spanish assistance is available.
Office hours: Monday–Saturday, 8 a.m.–6 p.m.; Sunday closed. Call to confirm urgent-service availability.
Businesses with cooler or freezer problems can visit our commercial refrigeration service page.