Profile: Larsen Supply Co., Inc. is a provider of heating and cooling equipments. Our product line includes aerators, flexible connectors, stainless steel clamps, hoses, water filters and video accessories. We also provide water heater parts, pressure washer, air filters, copper pipe fittings, valves, faucets and shower accessories. Our brands include Lasco™, Simpatico™, Hometek International Group™ and Honeywell™.