Typically the water heater is located in the closet also.
Enclosing furnace in attic.
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.
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.
If the closet is next to one of the bathrooms as it often is this gives you a nice remodeling opportunity.
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.
Older or historic homes for instance often featured much smaller heating systems than the modern ones we install today.
Furnaces in closets attached to the garage is the rule in our area.
Attic furnace passageway minimum dimensions requirements.
As a result their designated space for a furnace is often no longer a.
Ductwork goes through open ceiling into the attic then into the house.
The drain must be installed through the core of the house as water will be flowing during the colder months.
However not every home has a pre existing designated space for a system.
So what makes a furnace enclosed.
You ll also free up a closet.
Stated another way 1 cubic foot of air is needed for.
Elevate an enclosure in a basement or garage.
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.
In homes with limited space the furnace can be installed in the attic.
There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.
This drain removes the excess water that a heating system will generate.
This is how my own home is set up.
The door to the enclosure also has to be gasketed and the hwh must be some minimum distance above the floor of the garage.
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.