Condensing Boiler Achieves Higher Thermal Efficiency for Commercial Applications

The CREST Condensing Boiler upgrade provides up to 96 percent thermal efficiency in six models ranging from 2.5 million to 6 million Btu/hr.

The CREST Condensing Boiler upgrade provides up to 96 percent thermal efficiency in six models ranging from 2.5 million to 6 million Btu/hr.

Lochinvar has engineered the CREST Condensing Boiler family to achieve higher thermal efficiency for commercial applications.

The CREST Condensing Boiler upgrade provides up to 96 percent thermal efficiency in six models ranging from 2.5 million to 6 million Btu/hr. Lochinvar product development engineers found more energy savings for large commercial facilities by manufacturing CREST boiler models with an upgraded combustion system and an updated 316L stainless steel heat exchanger. This fire-tube design transfers heat to surrounding water in an efficient way.

Designed, engineered and assembled in the U.S., Lochinvar’s CREST boiler features an enhanced modulating burner that delivers a turndown ratio up to 20:1 and flexible flow rates up to 600 gallons per minute to meet the needs of large commercial applications.

The CREST boiler communicates in real time with building management systems by utilizing an on-board Modbus or BACnet MSTP protocol. And with CON·X·US remote connectivity, which is a standard feature, commercial facility managers and building owners can monitor and adjust equipment controls on a CREST Condensing Boiler from a mobile app available on most smart devices.

The Lochinvar SMART TOUCH control system enables navigation ease and includes a built-in cascading component that enables communication and sequencing of up to eight units. 

The CREST boiler offers commercial installers six venting options and permits direct-vent air intake and exhaust runs of up to 100 feet using AL29-4C stainless steel vent pipe on all models as well as CPVC, PVC, and Polypropylene on the 2501-3501 models.

Launched in 2011, the CREST Condensing Boiler family offers facilities a broad range of specification flexibility to deliver commercial water heating. The product family features 12 indoor models and six outdoor models both ranging from 750,000 to 6 million Btu/hr.

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