Furnace Closet Dimensions

We get this question a lot and it s an important one.

Furnace closet dimensions.

Can a furnace fit into 2 deep closet. Notes references for the table above. It is often desirable to do so in a. And if it s too small you won t get enough cool or warm air flowing through your home.

Provide a vent in any closet or cabinet door to permit free flow of air to the furnace. The size of the closet does not matter. If walls are too close to the furnace the room can become dangerously hot. This seems too narrow.

I am framing in a closet today and need to know if the space i have allotted is sufficient. I initially planned to put furnace and hot water heater in the attic. Codes for a water heater in the closet. I know they vary in size but i just would like to find out a mnimum width.

Establishing adequate space within an enclosed area is a crucial aspect of building a furnace room. What s the minimal size required for the furnace closet and access limitation. Size of vent piping depends on several factors so it s a good idea to consult with a specialist to determine size. I am at climate zone 3.

The current drawing has a utility closet that is 2 6 x 8. I have an area that is roughly 30 36 wide by about 36 48 deep 7 high. American standard gas furnace installation manual pdf 2008 american standard heating air conditioning a341624p07 upflow horizontal gas furnaces downflow horizontal gas furnaces models cux1b040a9241a cux1b060a9361a cux1b080a9421a cux1c100a9481a cux1d100a9601a cux1d120a9601a cdx1b040a9241a cdx1b060a9361a cdx1b080a9421a cdx1c100a9481a. I was planning on a packaged unit for my hvac needs but after evaluating some left over space a split system may be in the cards.

For safety you need the required venting but as long as you extend pipes to the roof or outside walls you do not need to worry about the closet. These vents are pipes that drop from the attic down into the closet. What size air conditioner or furnace do i need for my home. We are in the process of having our house plans drawn.

In houses that lack a basement or garage it is necessary to install the water heater somewhere inside the house itself. The vent pipes will need to extend up into the attic at least 14 inches. Additionally not enough space between the walls and furnace can prevent maintenance workers from accessing the area. One pipe is near the ceiling and one pipe drops low into the closet see photo at left.

We are building a one story home approx 3000 sq ft. Because if you buy an hvac system that s too big you ll end up wasting money and energy. The size of the exhaust vents will depend entirely on the size of your furnace.