Petersen Engineering Inc
Engineering ServicesNew Hampshire, United States11-50 Employees
Petersen Engineering Inc is a mechanical and electrical engineering firm focused on designing buildings with integrated MEP/FP systems. The company emphasizes reducing energy demand and pursuing simple, cost-effective solutions that support long-term building performance, comfort, durability, and affordability. Based in Portsmouth, New Hampshire, it operates within the engineering services industry and serves clients seeking high-performing, energy-efficient buildings that are aesthetically and functionally solid. With a stated emphasis on a lifecycle view of building performance, Petersen Engineering targets projects that require coordinated design across mechanical, electrical, and fire protection systems. The firm positions itself as a sustainability-minded practitioner in the Northeast, and a recent personnel update indicates ongoing growth through hiring to bolster its engineering capabilities.