Wm. Henderson Plumbing, Heating & Cooling Inc. provides quality Residential and Commercial Plumbing, Heating and Cooling services throughout the Delaware Valley. Along with Residential Plumbing, Heating and Cooling Services and Underground Sewar Services, we offer Commercial HVAC Installation and Replacement Services, Commercial HVAC Repairs, Commercial Plumbing Services and Repair of Water and Sewer Lines, Here’s a short list of the types of commercial buildings we service: Churches Pharmaceutical Government Buildings Health Care Retail Apartment Complexes Assisted Living Schools and Universities Convenience Stores Fire Houses Community Centers