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
Mechanical Engineering
D&K’s mechanical engineers design efficient heating, cooling, ventilation, and plumbing systems tailored to each building’s unique needs. We address key challenges, such as environmental controls, building constraints, code compliance, occupant safety, and energy performance. Our teams provide cost-effective solutions for both new construction and renovations.
Projects range from single-discipline efforts to full-service, multidisciplinary design and construction administration. With a focus on high-performance, energy-efficient buildings, our team includes LEED Accredited Professionals and certified commissioning agents to deliver projects that balance capital investment with long-term value.

