Crown Products is a key partner with wholesale distributors and manufacturer representatives in the HVAC industry. We manufac ... ture all the residential sheet metal products HVAC distributors need to meet the demands of residential new construction contractors. Our commercial duct division provides job estimating and custom duct fabrication for a wide scope of mechanical projects. HVAC distributors and manufacturers’ reps have relied on Crown’s product quality, on time shipments and superior customer service for over 55 years. read more