Ronnie Bruce Photography Bellweather Construction, LLC is a trained and certified remodeling and home improvement general contractor that specializes in period-appropriate renovations and energy efficiency improvements. Bellweather's managing partner, William Giesey, has over 20 years of experience providing construction management and design services for high-quality home renovations in Philadelphia and its Main Line suburbs. Will is a BPI-certified building analyst, NARI-certified kitchen and bath remodeler, and active member of his local NARI chapter. He is the acting chairman of a local historical commission and has participated in award-winning restoration and historic preservation projects. His work has been showcased on home tours and featured in magazines.