Christy is a professional engineer, Principal and Senior Project Manager at RDH Building Science in British Columbia. For over 20 years, she has been designing, evaluating, and researching energy- and water-efficient solutions for the built environment. Her current focus is on the intersection of energy, emissions, climate resilience and existing buildings. Completed projects include (8) deep HVAC system retrofits in small commercial buildings in the Pacific Northwest U.S.; in-service evaluation of heat pump retrofits in existing homes throughout BC, and the development of climate resilience standards for new and existing buildings. She is currently leading deep retrofit pilots for 4 different multifamily buildings in BC.