Gretchen Schimelpfenig is a Senior Energy Engineer at Energy Resources Integration, LLC where she implements energy efficiency programs and provides direct consulting services. She is the former Technical Director of the Resource Innovation Institute and manager of the organization’s Technical Advisory Council. She authored RII’s Lighting, HVAC, and Facility Design & Construction Best Practices Guides for Controlled Environment Agriculture and the Lighting, HVAC, and Controls Best Practices Guides for Cannabis Cultivation. She has worked with partners like the University of Vermont to optimize commercial and industrial buildings, including greenhouses and controls systems used for academic research on hemp and other cultivars. She has a B.S. in Architectural Engineering from the University of Wyoming and an M.S. in Civil Engineering from Stanford University. She is a licensed Civil Professional Engineer in California and Vermont.
Integrated HVAC Systems for Cannabis Cultivation Have the Lowest Life Cycle Cost
August 24th 2023This column reviews a study published by cannabis industry design and construction professionals and describes the impact of energy regulations affecting heating, ventilation, and air conditioning (HVAC) system selection in cannabis production facilities.
Get Help Greening Your Grow Utility Efficiency Programs Supporting Cannabis Cultivators
February 8th 2022Learn about the diverse kinds of support cannabis growers can get from utilities and efficiency programs for efficient lighting, heating, ventilation, and air conditioning (HVAC), and controls approaches.
How LED Light Recipes and Controls Can Improve Quality and Yield for Cannabis Producers
March 5th 2021Learn the ways light energy from different parts of the action spectrum can affect plant expression, harvest structure, and quality characteristics and how light-emitting diode light fixtures can be controlled to modulate light intensity and spectral distribution to produce different effects.
Cannabis Water Report Highlights Opportunities for Water Efficiency
February 5th 2021Learn the ways cannabis cultivation uses water as a resource, how to measure and benchmark the key performance indicators (KPIs) for water efficiency and productivity, and the benefits of monitoring, quantifying, and ranking KPIs for water.