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DOE Study Confirms Savings Offered by Greffen Systems’ M2G Controller

ATLANTA — Just in time for winter, a study released recently by the U.S. Department of Energy is confirming Greffen Systems’ (www.GreffenSys.com) M2G intelligent boiler control produces significant savings for heating buildings using hydronic boilers. The DOE’s “Building America Case Study,” which installed and monitored Advanced Load Monitoring (ALM) aftermarket controllers in Chicago, reported fuel savings up to 14%. http://www.nrel.gov/docs/fy14osti/62343.pdf ...

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