This is a horizontal flow air handler installed in the attic.
Attic ac unit diagram.
Attic hvac systems save space.
The condenser is the outside unit of your air conditioning system.
So why put an hvac system up in the attic at all.
It sits outside on the ground and is typically round or square shaped.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
My unit is over 16 years old which is ancient in florida.
This is the piece of your air conditioning system that most people never see.
Refrigerant enters the condenser as a vapor but turns.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
This is the secondary condensation pan which is installed under the air handler to save a ceiling.
Comparing this configuration to a solar water heater they make the case that putting air conditioning ducts in a hot attic is an effective way to heat up the conditioned air as it travels from the air handler to the conditioned space inside the home.
If you have a horizontal furnace in an attic the evaporator coil will sit on one end of the furnace instead of on top.
When the thermostat signals the air conditioning system to lower air temperature a whole sequence of events begins.
Well mainly it s a way to save space.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.