Heil may refer to:Heil (surname) Heil, North Dakota, a census-designated place and unincorporated community in the United States Heil Hitler, Sieg Heil, a Nazi salute Heil Sound, a manufacturer of audio and studio equipment Heil Environmental Industries, a subsidiary of Dover Corporation that manufactures garbage and recycling trucks Heil Heating & Cooling (HVAC) equipment manufacturer; a product line of International Comfort Products Corporation