F mechanical equipment area shall have required switching lighting.
Attic fau weight.
An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size.
This handout is intended to provide only general information for further information contact the building safety division.
The biggest advantage of having an attic furnace is that it s a space saver.
Cmc section 304 4 appliances in attics.
The attic weight was approximately 17 26 grams in silver.
The attic standard declined in weight with the passing of time.
There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.
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.
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.
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.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Fau located in an attic attic access service space c m c 904 crc r807 ventilation.
You ll also free up a closet.
E fau access flooring shall provide a minimum 24 wide solid surface to a level 30 x30 surface in front of service side.
B 30x30 inch minimum unobstructed passage to remove equipment but not less than the largest equipment maximum 20 distance from access to unit.
Well mainly it s a way to save space.
Some things to consider about attic vs.
Install passageway platform minimum 24 inches width and maximum 20 feet in length to fau.
A 30x22x30 inch high minimum unobstructed access but not less than the largest equipment size.
Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed through the opening.
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.
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.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Attic hvac systems save space.