Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Air system in the attic.
So why put an hvac system up in the attic at all.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
Typically this indoor unit gets placed in a cabinet or closet somewhere inside.
As the warm air rises it finds its way into the attic through leaks around recessed lighting attic hatches flue and duct leaks.
Lacking proper insulation and ventilation your attic starts seeping the conditioned air to the outdoors.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Put it in an attic full of blown insulation.
Not every home has a hatch that is easy to access.
Well mainly it s a way to save space.
Attics and heat the condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
With attic insulation it is easier for the hvac system to distribute cool air throughout the home evenly.
If your attic tends to get hot it can make your air conditioner less efficient.
Your heating system turns on supplying warm conditioned air to your living spaces.
This is particularly helpful as it will keep upstairs bedrooms cooler at night.