HARRISON – Turner Building Science, LLC, a division of the H.L. Turner Group Inc., has announced the promotion of the following staff members: William A. Turner, PE, president/CEO, and Steven M. Caulfield, PE, vice president.

In addition, four staff members have been designated Leed 2.0 (Leadership in Energy and Environmental Design) accredited professionals. They are: William A. Turner, PE; Steven M. Caulfield, PE; Steven M. Martel, PE; and Brian K. Decker, of the Harrison office, and Frederick McKnight of the Danville, Vt., office.

Turner Building Science LLC provides building evaluations, IAQ/HVAC diagnostics and mitigation, forensic analysis and mechanical engineering design services to business, industry and government. It is located at 26 Pinewood Lane, Harrison, ME 04040, 207-583-4571. Its Web site is www.turnerbuildingscience.com.