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’ ( 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%.

“The Department of Energy’s validation means government affirmation of a key tool for saving money,” said Frank Salensky, Greffen Systems’ CEO. “For those Chief Sustainability Officers and Energy Managers of industrial and commercial buildings who are seeking the next tier of proven solutions, the M2G is an exciting new tool.”

Greffen Systems reports the return on investment for the M2G can generally be seen within 6 to 24 months. “But savings extend beyond the fuel bill,” noted Salensky. “A boiler’s life is increased significantly because of the more effective control and subsequent reduced firing.”

The M2G has been installed and tested by companies, and governmental and educational institutions including Ford Motor Company, General Motors, Bell Helicopter, the U.S. Internal Revenue Service, Yahoo!, Texas A & M University, and Detroit Edison. In Europe, the M2G has been installed at over 5,000 sites by companies including the Royal Bank of Scotland, Lloyd’s TSB, and Britain’s National Health Service, among others.

Greffen Systems’ M2G is a small, easily-installed ALM controller that requires no calibration, works with existing building management control systems and significantly reduces energy consumption by minimizing boiler firing during periods of low heating load. The M2G’s microprocessor “learns” from the temperature change of the primary heating loop to detect real building heating requirements and dynamically manages the boiler to save energy during low-load conditions.

Greffen (Green Efficient Energy) Systems, Inc. is headquartered outside of Atlanta, Georgia. The company provides cost effective energy technology solutions to commercial and industrial customers that are proven to significantly reduce both energy consumption and carbon emissions. In addition to the M2G, Greffen expects to announce additional energy technology solutions in 2015.

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