Attic Furnace Access

An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.

Attic furnace access.

Bldinfo fremont gov www fremont gov attic furnace 2019 california mechanical code. Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area. Attic access panels serve as an important safety and convenience feature in the home. High efficiency furnaces aren t usually recommended for an attic.

Remove any items that may be propped up against the furnace such as stored. A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. Walk specifically on the floor joists to prevent damage to the ceiling below if necessary. The minimum size for an attic s access.

Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Attic furnace access passageway and platform. The new furnace can be built into the attic during construction with access made convenient for the homeowner and air ducts maximized for delivering heat to the new areas efficiently. A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof.

Residential furnace attic p p 32 updated 08 05 2020 hluu page 1 of 1 building safety division plans and permits development services center 39550 liberty street fremont ca 94538 p. Attic furnace passageway and service area electrical requirement. Attic hvac systems save space. Here in florida it s just a bad idea due to the high humidity and temperature in a vented attic and the condensation issues that can and usually does occur on the equipment.

So why put an hvac system up in the attic at all. A horizontal gas furnace installation in an attic should be on a service platform large enough to allow for proper clearances on all sides and service access to the front of the furnace see manufacturer s i o manual. The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics. Placing it in the attic where it is closer to the new floors means not having to tear up the basement to provide room for a second furnace.

Well mainly it s a way to save space. First off attic installations are among my least favorite applications from a serviceability system longevity and a laundry list of other items. Access the attic furnace.