Direct Vent Furnace Definition

Chapter ii department of energy.

Direct vent furnace definition.

Direct vent technology describes a gas burning appliance and how it uses two pipes often one smaller pipe within another larger pipe to both exhaust the appliances flue gases and bring in fresh air that it uses for combustion. Heat is distributed evenly and heat loss is minimized since rinnai energysaver direct vent wall furnaces require no ductwork. Subpart a general provisions the term direct vent system means a system supplied by a manufacturer which provides outdoor air or air from an unheated space such as an attic or crawl space directly to a. That was the condensed version of the ifgc definition.

Part 430 energy conservation program for consumer products. According to 10 cfr 430 2 title 10 energy. Subchapter d energy conservation. They are one of the safest most convenient and most popular ways of adding a gas fireplace to your home.

This is because direct vent gas heaters do not require any outside air to function and are the perfect size to fit into areas where space is at a premium. Gas appliance direct vent clearances distances from direct gas vent to building features sidewall vent direct vent direct exhaust systems for gas fired heaters water heaters other appliances. User friendly control panel. In case of a sudden influx of cold air the energysaver direct vent wall furnace automatically adjusts fan speed and btu to quickly restore warmth to the room.