Modine Manufacturing Co.: rooftop duct-furnaces
The new line of WeatherHawk™ rooftop duct-furnaces are available in 11 gravity-vented models with input ranges from 75,00 to 400,000 Btuh. The company says its product operates on either natural or propane gas and is certified for location upstream or downstream from cooling coils. Thermal efficiency of 80% on all models is meant to bring high fuel efficiency to every application.
— Modine Manufacturing Co.