Indoor Separated Combustion (DFS)The indoor separated combustion duct furnace was designed as a building's primary room heating source and is certified for, non residential, commercial applications only. Separated combustion duct furnaces are specifically designed for buildings with hostile atmospheric conditions such as high humidity, contaminated indoor air or rooms with negative pressure. Available in 11 power exhausted model sizes, the unit covers a wide variety of applications. Input ranges from 75,000 to 400,000 btu/hr for either natural or propane gas. Airflow direction can be specified for location downstream from the dehumidifier and has a drain pan that allows connection to a condensate drain line. There are many other options available including various types of gas valve controls to suit specific requirements.
Power Exhausted (HFP)The outdoor gas duct furnace was design to be the primary heating source for a building and is certified for, non residential, commercial applications only. These furnaces are power vented eliminating any effect of an erratic chimney. Available in 11 models sizes from 75.000 to 400,000 btu/hr for either natural or propane gas operation. The airflow direction can be specified when ordering the unit. This duct furnace is certified for location downstream from the dehumidifier and has holes to drain any condensate that may flow onto the roof. There are many other options available including various types of gas control valves to suit specific requirements.