About Carter Plumbing Electric Heating: Carter Plumbing Electric Heating in Mount Joy, PA Lancaster County is a business listed in the categories Building Materials General, Plumbing Sewer Repair, Plumbing Contractors, Stove, Oven, Range Cooktop Parts Supplies, Fireplace Equipment Decorations, Other Building Materials, Plumbing Repair Service, Stoves Wood Gas Coal, Ranges ...