Woodruff is owner of Insource Renewables, a solar design/build and consulting firm in Pittsfield, ME. A trained engineer and educator, he serves diverse roles in the solar heating industry. Woodruff is a NABCEP-Certified Solar Heating Installer, serves on committees for NABCEP, IAPMO, and IREC, and was the former lead solar thermal instructor for the Northeast and Northern Mid Atlantic regions of the Department of Energy’s Solar Instructor Training Network. He is the co-author of the NABCEP Solar Heating Installer Resource Guide, author of NYSERDA’s Field Inspection Guidelines for Solar Heating Systems, and has been published in Home Power and SolarPro magazines. Woodruff provides training for a variety of schools and organizations.