Rob Derksen has spent the past 32 years in the Geothermal heating and cooling industry and is currently the Business Development Manager for Enertech Global LLC, a Geothermal and Air to Water Heat Pump Manufacturer. Rob is also a Co-Owner of  Michigan Energy Services, (an HVAC company specializing in Geothermal heat pump installations). In 2017, Rob started D4 Consulting to develop a much-needed software package that simplifies the design and sales process for HVAC systems.  This software allows HVAC Contractors to deliver onsite proposals in a single home visit as well as provides energy and economic life cycle comparisons of Geothermal and other HVAC systems to homeowners. Rob’s well-rounded understanding of the home as a system, and his passion for education-based selling helps Customers choose products and processes that truly match their wants, needs and goals. Rob joined GHI during our residential net zero conference to discuss his net zero home, you can learn more https://youtu.be/57WM-HEDMYo