Attic Furnace Access

Attic hvac systems save space.

Attic furnace access.

An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The minimum size for an attic s access. Remove any items that may be propped up against the furnace such as stored. Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.

That makes cheaper to replace a broken unit while reducing the cost for repairs. 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. 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. So why put an hvac system up in the attic at all.

First off attic installations are among my least favorite applications from a serviceability system longevity and a laundry list of other items. Walk specifically on the floor joists to prevent damage to the ceiling below if necessary. A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof. Bldinfo fremont gov www fremont gov attic furnace 2019 california mechanical code.

Well mainly it s a way to save space. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. 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. 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.

Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics. Access the attic furnace. These openings not only allow mechanical and electrical contractors to.

Attic furnace access passageway and platform. High efficiency furnaces aren t usually recommended for an attic. A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.