OFFGRID-INSTYLE designs and drawings are prepared by accredited building designer David Macfarlane, an experienced builder/architect/developer whose formal qualifications include a Building Certificate (Sydney Tech 1982), BSc Architecture (UNSW 1994), and MSc in Sustainable Building Design (Oxford Brookes 2013).  Completed projects include Tamar Solarhome (2017), a luxurious off-grid house in northern Tasmania, which is currently available on Airbnb, plus one of Australia's first purpose-built solar-powered off-grid resorts (1995-2007), now trading as Elysian Island Retreat.

OFFGRID-INSTYLE  and TAMAR SOLARHOME are owned and operated by Ecoventure Pty Ltd.  (ABN 23002169842) 24 Pars Rd, Greens Beach, Tasmania 7270.  Managing director David Macfarlane can be contacted at: davemac713@yahoo.com