Laars Heating Systems Co., a subsidiary of Bradford White Corp.: Combi Boiler/Water Heater

Laars Heating Systems Co., a subsidiary of Bradford White Corp.: Combi Boiler/Water Heater The natural gas or LP-fired Mascot LX features a Laars heat exchanger and offers 95 percent efficiency, full modulation, and a plentiful supply of domestic hot water on combination units, according to the company. Mascot LX comes in 10 models to meet the demands of any home or small business, including three combination boiler/tankless water heater sizes (125-, 150-, and 175-MBtuh models) and seven heating-only (50-, 75-, 100-, 125-, 150-, 175-, and 220-MBtuh sizes). The Mascot LX includes an easy-to-use, advanced control system with auto cascade setup for multiple boiler installations, outdoor reset, prime-less condensate trap, zero-clearance installation, and venting up to 150 feet, stated the company.