Attic Fau Weight

This handout is intended to provide only general information for further information contact the building safety division.

Attic fau weight.

Install passageway platform minimum 24 inches width and maximum 20 feet in length to fau. Located in an attic cmc 304 4 furnaces located in an attic area shall comply with the diagram at the bottom of this page. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Attic weight or the attic standard was a monetary standard used during the hellenistic period it was also known as euboic standard after alexander the great other greek monetary standards except the rhodian standard were abandoned in favor of the attic standard.

Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Available in variable speed as well as 1 and 2 stage units these powerful air conditioners can operate as quietly as a vacuum with efficiency ratings up to 26 seer with up to 21 seer efficiency ratings. Well mainly it s a way to save space. Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed through the opening.

Additionally if the attic and roof is conventionally framed ceiling joist under the location of the fau unit shall be doubled with a minimum 2x6 joists. B 30x30 inch minimum unobstructed passage to remove equipment but not less than the largest equipment maximum 20 distance from access to unit. F mechanical equipment area shall have required switching lighting. G if the attic and roof is conventionally framed ceiling joist under the location of the fau unit shall be doubled with minimum 2x6 joists.

So why put an hvac system up in the attic at all. A 30x22x30 inch high minimum unobstructed access but not less than the largest equipment size. The attic standard declined in weight with the passing of time. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.

Attic furnace 2019 california mechanical code sections 904 10 through 904 10 the following are general requirements for an attic furnace based on the 2019 ca mechanical code. Some things to consider about attic vs. Cmc section 304 4 appliances in attics. The biggest advantage of having an attic furnace is that it s a space saver.

You ll also free up a closet. Attic hvac systems save space. Fau located in an attic attic access service space c m c 904 crc r807 ventilation. There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.