The Noritz America EZ series of high-efficiency condensing tankless water heaters is designed to cut installation time and cost when replacing larger storage tank-type units.
Laars’ Mascot LX condensing combi boiler and tankless water heater, which features a heat exchanger, is a natural gas or LP-fired unit that offers 95% efficiency, full modulation and a plentiful supply of domestic hot water on combi units.