Karla Butterfield

Sustainability Director | Steven Winter Associates, Inc.

Ms. Butterfield is a Sustainability Director at SWA, working with residential buildings. She has 25 years of experience, with expertise in sustainable consulting services, program certification support, and implementation of high performance building technologies. With architects, developers, builders, and homeowners, Ms. Butterfield develops specific sustainability strategies for both new construction and renovations. Ms. Butterfield’s consulting work includes sustainability for residential buildings; selection of environmentally preferable products; analysis of resource-efficient appliances and building equipment; writing and implementing construction and demolition plans; and emphasizing energy conservation, environmental protection, and occupant health and safety. She participates as an integral partner in the initial strategic planning sessions and stakeholder workshops based on criteria for various certification programs. Ms. Butterfield is a Home Innovation Research Labs’ NGBS Verifier, PHIUS +Rater and +Verifier, and promoter of Net Zero Energy Homes. She uses energy modeling software to analyze plans and specifications, and makes recommendations for sustainability strategies. These may include thermal, air, and vapor barriers, as well as mechanical efficiencies, building materials and indoor air quality.

Ms. Butterfield is a member of the Connecticut Green Building Council, the North American Zero Energy Coalition, and serves the National Green Building Standard as a TA Advisor & 2018 Consensus Committee member.