LeTellier ENGINEERS provides commercial and residential real-estate engineering services with a focus on sustainability for building owners and managers. We use practical engineering judgment combined with continued training and education to provide efficient, cost-effective solutions. Our service strategy is built around a local team with many years of related experience as Professional Engineers and specialized training in sustainable building systems engineering. Buying, owning, or managing any building involves a lot of risk: hazardous materials contamination, inability to accomplish desired improvements or conversions, and inadequate or inefficient structural and mechanical systems. Planning is also critical to maintaining and sustaining the health of your building.