Enclosing Furnace In Attic

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.

Enclosing furnace in attic.

When a furnace is in a room that has less than 50 cubic feet of air for every cubic foot of gas 1 000 btu hr vents are needed in the room. Ductwork goes through open ceiling into the attic then into the house. This drain removes the excess water that a heating system will generate. You ll also free up a closet.

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. 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. The door to the enclosure also has to be gasketed and the hwh must be some minimum distance above the floor of the garage. Typically the water heater is located in the closet also.

In homes with limited space the furnace can be installed in the attic. Furnaces in closets attached to the garage is the rule in our area. Elevate an enclosure in a basement or garage. So what makes a furnace enclosed.

As a result their designated space for a furnace is often no longer a. Attic furnace passageway minimum dimensions requirements. 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. However not every home has a pre existing designated space for a system.

Stated another way 1 cubic foot of air is needed for. The biggest advantage of having an attic furnace is that it s a space saver. Older or historic homes for instance often featured much smaller heating systems than the modern ones we install today. The drain must be installed through the core of the house as water will be flowing during the colder months.

Where the furnace is enclosed louvered openings in the room should be provided to ensure there is adequate air. 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.