Direct Vent Furnace Definition

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Direct vent furnace definition.

Are appliances that draw all combustion air from the outside atmosphere and discharge all flue gases directly to the outside atmosphere. 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. Part 430 energy conservation program for consumer products. A direct vent gas furnace otherwise known as a direct vent heater is the perfect residential furnace for homes apartments room additions garages and offices.

Heat is distributed evenly and heat loss is minimized since rinnai energysaver direct vent wall furnaces require no ductwork. Subchapter d energy conservation. 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. Chapter ii department of energy.

Table illustrations of the required space between a direct or side wall vent for a gas fired heating appliance and building windows doors corners gas meter air intakes sidewalks balconies. 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. 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. 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.