Lochinvar’s CREST condensing boiler is now available with inputs up to 5 million Btu/hr. Orders are currently being accepted for the new 5 million Btu/hr. (FBN5000) and 4 million Btu/hr. (FBN4000) models. Lochinvar has expanded the line to include a dual fuel gas train and updated select models to offer lower derating numbers for high altitude applications. CREST also includes integrated fire-tube technology with the SMART TOUCH operating control. Offering thermal efficiencies as high as 99%, the newly extended CREST line brings exceptional energy efficiency and design flexibility to the largest commercial applications.