Hartland Controls specializes in the design and manufacture of mission critical electrical contactors, class II transformers, capacitors, relays, auxiliary switches and configured assemblies. The cost-effective electrical controls we bring to market are used in HVAC, refrigeration, overhead door, irrigation, welding, water heating, pool and spa, vehicle charging and other aftermarket applications that require reliable starting and safe stopping. Hartland Controls engineers, manufactures and tests electrical components in our Rock Falls, Illinois and Shanghai, China facilities to the most rigorous domestic and international standards. Most important, to ensure the product you need is available right when you need it, Hartland Controls maintains a large inventory of finished product and configurable components in our 152,000 square foot Rock Falls, Illinois facility.