I hope you have found this article on what size central air conditioner to buy for your house somewhat helpful.
Attic air handler dimensions.
The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.
The rough framed opening.
As you get closer to buying don t hesitate to use our central air conditioner size calculator.
Attic hvac systems save space.
Get the cost of 1 ton 2 ton 4 ton and 5 ton ac unit.
Final thoughts on what size central air conditioner to buy.
30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm measured along the center line between the attic access opening and the attic furnace.
Horizontal flow air handlers can be configured in left to right or right to left configurations upon installation.
So why put an hvac system up in the attic at all.
The important part of this attic installation is that the air handler has plenty of drains and a safety cutoff to ensure that the air handler turns off before the secondary drain pan overflows into the attic.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Attic furnace passageway minimum dimensions requirements.
This 20 limitation applies to the minimum 30 height only low clearance attics.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Ac unit size calculator accurately estimates the size of the central air conditioner unit you should install in your house.