Minimum Clearance For Furnace Attic

Our houses are fairly close together and i measured 9 1 2 between my proposed sidewall vent position and our neighbor s home.

Minimum clearance for furnace attic. Install passageway platform minimum 24 inches width and maximum 20 feet in length to fau. This 20 limitation applies to the minimum 30 height only low clearance attics. So why put an hvac system up in the attic at all. If there are no obstructions on the passageway to the attic furnace and it has a minimum 6 feet 1829 mm height and 22 inches 559 mm width along its entire run the walkway length limit goes up to 50 feet 15250 mm in irc international residential code and has no limit in umc universal mechanical code.

American gas association has certified the design of condensing furnaces for a minimum of 0 clearance from combustible materials with a single wall plastic vent pipe. Passageway if headroom is less than 6 ft attic furnace minimum 30 in deep and wide in front of furnace access by an opening as large as the largest piece of furnace and in no case less than 22 in by 30 in located in a hallway. Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed through the opening. What is the minimum clearance from a sidewall direct vent to a neighboring home.

An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. On 2019 07 27 by mod gas meter clearance to weber grill. Well mainly it s a way to save space. All other clearances are fine.

Expect to pay around 1 000 for the equipment along with another 1 000 to install it for most geographic locations. See direct vents side wall vents for a complete table of recommended clearance distances from a direct vent gas appliance terminal to other building. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. The cost profile for a furnace in the attic is competitive.

If you want to purchase a mid efficiency furnace for your home then the price profile for the equipment is similar with a downflow model compared to an upflow one. 2015 irc m1305 recommends that the furnace have a level working space of at least 30 inches by 30 inches in the front of the appliance. On 2019 07 27 by bill. Municipalities may require a minimum of 30 clear inches in front of the furnace which can be accomplished in a small room if the door to the room opens in front of the furnace.

An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size.