Commercial Refrigeration Service in Chicago

Walk-in cooler and freezer service

4J’s Heating and Cooling provides commercial refrigeration diagnostics, repair and maintenance in Chicago and surrounding areas. We help businesses with walk-in coolers, walk-in freezers and other refrigeration equipment.

Refrigeration problems we can inspect

Equipment that is not maintaining its set temperature
Ice buildup, poor airflow or unusual operating noises
Compressor, fan, electrical and control problems
Door seals, drainage and preventive maintenance needs

We inspect the equipment, explain our findings and provide a repair recommendation for your approval. Parts availability, repair cost and appointment availability are confirmed after reviewing your equipment and service needs.

Request refrigeration service

Have your equipment brand, model, serial number and a description of the problem ready. Photos of the equipment and data plate can help us prepare for your visit.

Call (847) 454-4049 Request Service

Email: info@4jheatingcooling.com

Regular business hours: Monday–Saturday, 8 AM–6 PM. Sunday closed. Contact us to confirm availability for urgent service.

Also need heating or cooling help? Ask about furnace and AC replacement, HVAC diagnostics, repairs and maintenance.