Attic Forced Air Unit Dimensions

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Attic forced air unit dimensions.

An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Ac calculator uses your house size square feet climate zone efficiency and equipment type standard central air vs central heat pump to show you exactly what size central air unit you need. Building codes according to the 2006 international residential code r807 1 attic access homes with combustible materials in the ceiling and roof construction must have an access to attic areas that exceeds 30 square feet and with a vertical height of 30 inches or greater.

The system capacity is almost always coded into the model number of the outdoor unit. Of forced air unit and vent. Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed. Well mainly it s a way to save space.

Attic hvac systems save space. So why put an hvac system up in the attic at all. In most cases you can use the conversion information below to help in determining the size of your existing air conditioner system use the system model number not the serial number 18 1 5 tons 24 2 tons 30 2 5 tons 36 3 tons 42 3 5 tons 48 4 tons. Ac unit size calculator accurately estimates the size of the central air conditioner unit you should install in your house.

But it must be large enough to permit removal of the largest appliance installed in the attic area. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. 30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm. The rough framed opening must be a minimum of 22 inches by 30 inches.