DW Collier Engineering was founded in 1997 in South Fulton, TN. We are a mechanical and electrical engineering consulting firm that offers design services for HVAC, electrical, plumbing, and fire protection installations or renovations. From the small church renovation to a large central plant installation, we provide design documents and construction administration for industrial, institutional, commercial and evangelical projects of all sizes. We can also provide LEED consulting and commissioning services, as well as energy modeling for LEED certified projects. We are currently licensed in the following states: AL, AR, KS, KY, TN, TX, MO, SC, MS, GA, IL, LA, IN, NY and more.