Are you an individual purchasing, maintaining, engineering, or selling A/C equipment, parts and accessories? If yes, then DWG Inc. is the place for you! We have been providing the best customer service in the HVAC industry since 1986. Our product selection and prices cannot be beat. DWG Inc. can replace all types of equipment. We specialize in “Thru-the-Wall A/C” equipment and parts, for “all HVAC brands” available in the USA. Call for pricing discounts based on quantity.