ILLCO Inc. – Wholesale HVAC, Refrigeration and Plumbing Supplies

For decades, contractors and businesses across the Midwest have relied on a trusted supplier for comprehensive HVAC, refrigeration, and plumbing solutions. With a vast inventory and strong industry expertise, the company delivers products and services that meet the highest standards of performance and reliability.

At the core of its offerings is HVAC equipment supply, providing everything from furnaces and air conditioning systems to essential components that keep residential and commercial properties running smoothly. In addition, extensive refrigeration parts & components ensure reliable operation for cooling systems, including compressors, condensers, and valves. Customers also benefit from a wide selection of controls & automation systems, such as thermostats, sensors, and advanced control units that improve efficiency and indoor comfort.

The product portfolio also extends to plumbing, hydronics, tools, and sheet metal supplies, making it a one-stop shop for contractors and service professionals. To support projects beyond product sales, the team offers specialized services like crane delivery for heavy equipment placement, design assistance for hydronic and VRF systems, and refrigerant reclaim programs that comply with environmental regulations.

Since its founding in 1929, the company has built a strong reputation as a reliable wholesale distributor. Today, with multiple locations and a commitment to customer support, it continues to serve as a key partner for HVAC, refrigeration, and plumbing professionals. Clients value the combination of extensive inventory, competitive pricing, and expert guidance that helps ensure projects are completed efficiently and successfully.

Whether you need high-quality HVAC components, refrigeration solutions, or plumbing supplies, this team provides the expertise, inventory, and services to keep every project on track and every system running at peak performance.