Welcome to L & S Plumbing & Heating Inc! L & S Plumbing & Heating Inc. is located in Hermantown, Minnesota. We provide prompt quality service for all of your heating, plumbing and air conditioning needs. We work with both commercial and residential customer on all of their HVAC and plumbing projects. Some of our services include furnace or boiler replacement, bathroom remodeling, heating system upgrades, radiant floor heat, water heater replacement, hot tub installation, sheet metal and duct work, and air cleaner/exchanger installation. Call today for your appointment! Plumbing, Heating, HVAC, Ventilation, Gas, AC, ARV, Water Heaters, Service, Remodeling, Sheet Metal, Ducts, Do It Yourself Help & Upgrades.