Energy Audits, Home Performance Contracting, Green Building Certification
Staff
Horizon Residential Team
David Milliken
Rensselaer Polytechnic Institute, B.S. Management & Technology, 1999
Diane Milliken
University of New Hampshire, B.S. Business Administration, 2001
Antioch University New England, M.S. Resouce Management & Administration - 2005
Margo Billings
University of Southern Maine, B.A. Philosophy - 2007
Southern Maine Community College, Certificate Program - Integrated Manufacturing Technology


