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CONTACT

Corporate Headquarters

Greffen Systems, Inc.

3382 Liberty Road

Rogersville, MO 65742

Email: info@greffensys.com
Phone: 678.233.7724

Send us a message

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Frank Salensky

CEO

3382 Liberty Road

Rogersville, MO 65742

frank@greffensys.com
678-233-7724

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John Elling Ph.D.

Chief Technology Officer

590 Monte Alto

Santa Fe, NM 87501

elling@greffensys.com

505-670-3898

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Russell Gidding

Chief Engineer

1195 Orchid Way

Canton, GA 30115

rgidding@greffensys.com

770-862-5449

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Albert (Al) Murphy

Sr. Vice President

114 Academy Lane

Canton,  Georgia 30114

amurphy@greffensys.com

770-549-8755

ABOUT

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Greffen Systems has been providing innovative technologies for the HVAC industry in both the public and private sectors since 2008.  Greffen is your full-service M2G Advanced Load Monitoring (ALM) Boiler Controller and UV-C germicidal light vendor. Greffen offers design, project management, installation, testing and ongoing support for our products.

CONTACT

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Greffen Systems, Incorporated

3382 Liberty Road

Rogersville, MO 65742

​

Email: frank@greffensys.com
Phone: 678-233-7724

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