CONTACT

Corporate Headquarters

Greffen Systems, Inc.

49 Dogwood Court
Dawsonville, GA 30534

Email: info@greffensys.com
Phone: 888.544.4733
eFax: 678.550.5200

Send us a message

Frank Salensky

CEO
49 Dogwood Court
Dawsonville, Georgia 30534

frank@greffensys.com
770-886-7979

John Elling Ph.D.

Chief Technology Officer

590 Monte Alto

Santa Fe, NM 87501

elling@greffensys.com

505-670-3898

Russell Gidding

Chief Engineer

1195 Orchid Way

Canton, GA 30115

rgidding@greffensys.com

770-862-5449

 

Steven Driver Ph.D.

Research Analyst

67 Glenview Street

Upton, MA 01568

sbcommissioning@gmail.com

508-889-1865

Albert (Al) Murphy

Sr. Executive Director

114 Academy Lane

Canton,  Georgia 30114

amurphy@greffensys.com

770-549-8755

ABOUT

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

Greffen Systems, Inc.

49 Dogwood Court
Dawsonville, GA 30534

Email: info@greffensys.com
Phone: 888-544-4733
eFax: 678-550-5200

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