Profile: Shelton Winnelson Co. is a provider of heating equipments and plumbing tools. Our product line includes boilers, electric water heaters, radiator valves, burners and solar water heater system. Our Cirrex® solar water heater system utilizes energy from the sun to provide hot water and it includes solar thermal panels fastened to a roof facing the sun. Our panel heats up a heat transfer fluid, which is pumped to a heat exchanger to transfer the energy to the water in the storage tank. Our Voltex&trade hybrid electric heat pump water heater is an integrated system that utilizes heat pump technology to provide efficient way to heat water with electricity.