Canadian Consulting Engineer

Navien Introduces 0.98 EF Tankless Water Heater

September 10, 2013
By Canadian Consulting Engineer

IRVINE, September 10, 2013 – Expanding upon the success of the NPE-A, Navien Premium Efficiency – Advanced, high-efficiency tankless water heater technology for residential and commercial applications, the company is pleased to announce the introduction of the NPE-S, Navien Premium Efficiency – Standard. The NPE-S delivers up to .98 EF efficiencies, becoming the industry’s highest rated gas water heater. The NPE-S is ideal for both residential and commercial applications where the ComfortFlowTM feature in the A model, including buffer tank and internal recirculation pump, is not required. All other NPE series features are found in the NPE-S, including: ½” gas pipe capability up to 24’, dual stainless steel heat exchangers for longer life, field gas convertibility and 2” System 636 venting up to 60’. For additional information, visit

About Navien An official ENERGY STAR® partner of the Residential Water Heater Program, Navien is the recognized leader in Condensing Tankless Technology and Combination Gas Boilers. Navien products are available in the United States and Canada through a network of distributors. For additional information, visit us at


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