The 2nd duct is the return duct that attaches to the return air vents and draws the stale air out of the house through the filter and conditions it again to return.
Attic ac unit filter location.
Anthony climbs into the attic in order to help you locate your air filter and shows you how to determine your size and merv rating to make your ordering process as smooth as possible.
So why put an hvac system up in the attic at all.
Changing the filters in the hvac unit in this case your air filter is most likely located right next to your furnace or air conditioning system air handler.
One is the conditioned supply air that serves the house with warm or cool air attaching to the vents in every room.
On vertical air handlers with the return air duct entering below the air handler the filter often fits in a slot located below the hvac unit.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
This air handler has a filter base under the unit the air filter might be on top below or on the side of the air handler depending on what kind of air handler you have.
Can you put your air conditioning unit in the attic with blown in insulation.
When you decide to trade in your room air conditioner for central air you ll have decisions to make including where.
Look for a filter slot right where the return plenum contacts the blower fan assembly marked as air filter slot and yellow arrow in my photo.
Attic hvac systems save space.
Typically the unit would be found in a basement an attic or sometimes in the back of a closet.
Two large pipes or ducts extend from the package unit.
Filtr grip gripper tool being used to remove an hvac filter from an air handler unit in an attic.
It s generally located in your attic basement closet or crawlspace.
On hvac systems with a return in each room there may be an air filter behind each of the return.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Well mainly it s a way to save space.