Enclosing Furnace In Attic

The drain must be installed through the core of the house as water will be flowing during the colder months.

Enclosing furnace in attic.

Typically the water heater is located in the closet also. The biggest advantage of having an attic furnace is that it s a space saver. Where the furnace is enclosed louvered openings in the room should be provided to ensure there is adequate air. Attic furnace passageway minimum dimensions requirements.

Ductwork goes through open ceiling into the attic then into the house. There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space. However not every home has a pre existing designated space for a system. This is one reason building codes today require gas hwhs in garages to be in separate enclosures with combustion air supplied from outside the garage the attic above the garage is acceptable.

As a result their designated space for a furnace is often no longer a. 30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm measured along the center line between the attic access opening and the attic furnace. The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement. So what makes a furnace enclosed.

If the closet is next to one of the bathrooms as it often is this gives you a nice remodeling opportunity. Furnaces in closets attached to the garage is the rule in our area. You ll also free up a closet. This drain removes the excess water that a heating system will generate.

Stated another way 1 cubic foot of air is needed for. I didn t build the house but if it was up to me the furnace would go inside along with most if not all of the. Older or historic homes for instance often featured much smaller heating systems than the modern ones we install today. The door to the enclosure also has to be gasketed and the hwh must be some minimum distance above the floor of the garage.

This is how my own home is set up. Use concrete blocks or a concrete pad to set the base of the furnace at least 4 inches above the floor to prevent any water from reaching it.