Complete commercial HVAC service for businesses throughout Lemont and Cook County — from small offices and retail stores to restaurants and industrial spaces.
Commercial HVAC downtime means lost business and unhappy customers. Heavy Duty Heating & Cooling provides professional commercial HVAC installation, repair, and maintenance for businesses throughout Lemont, IL and Cook County.
Our commercial services in Lemont include rooftop unit (RTU) service, commercial refrigeration, walk-in cooler and freezer repair, multi-zone systems, and preventive maintenance contracts. We work around your schedule to minimize disruption.
Installation, repair, and replacement of commercial rooftop HVAC units for offices and restaurants in Lemont.
Commercial refrigeration repair for Lemont restaurants and grocers. Fast response to prevent product loss.
Fast diagnosis and repair of commercial air conditioning to minimize downtime for your Lemont business.
Gas furnace and commercial boiler repair and installation for Lemont warehouses and offices.
Scheduled HVAC maintenance contracts to prevent breakdowns at your Lemont commercial property.
Design and installation of commercial HVAC for new construction or renovation in Lemont.
Same-day & emergency service in Lemont and Cook County.
Free estimates, no hidden fees, upfront quotes before work begins.
English & Spanish service for all Lemont customers.
Fully licensed, certified, and insured HVAC professionals.
Local business treating every Lemont customer like a neighbor.
We stand behind every job with a satisfaction guarantee.
Yes — offices, restaurants, retail, warehouses, and all commercial properties in Lemont and Cook County.
Yes. Commercial refrigeration including walk-in cooler and freezer repair throughout Lemont.
Yes. After-hours and weekend commercial service available to minimize operational disruption.
Yes. Scheduled preventive maintenance plans for commercial customers in Lemont.
Based in Joliet — serving Will, Cook & DuPage Counties, IL.