MODUS

MODUS operates as a consulting engineering firm headquartered in Des Moines, Iowa, with additional offices in Iowa City and Waterloo. Established in 1963 under its former name Gilmor+Doyle, the firm has accumulated six decades of project experience and currently holds a 4.9-star rating derived from 26 client reviews. The firm specializes in mechanical, electrical, and plumbing engineering for commercial and institutional construction projects, serving owners, architects, and large institutional customers across central and eastern Iowa.

The firm distinguishes itself through an extensive portfolio of sustainable design work, having completed over 100 LEED-certified projects and earned the ASHRAE International Technology Award. With $5 billion in construction costs completed across more than 11,000 buildings, MODUS offers specialized services including health care engineering, lighting design, arc flash studies, and facility planning. Their approach emphasizes collaborative goal-setting with each client rather than applying standardized templates.

Three recent reviewers have shared their experiences with MODUS. Lon Bromolson simply describes the firm as "the best in town," while Kevin Crowley notes appreciation for a completed building project. One client, Erwin Castro, references an architect plan currently in progress. The firm maintains a disciplined approach to project scoping, beginning each engagement by helping clients articulate specific objectives before proceeding with engineering design.