In some homes.
Horizontal ac unit in attic.
Some products like furnaces may also be affected by installation orientation horizontal upflow or downflow or even by the nozzle used in installation as is the case with boilers and oil furnaces.
An hvac system can be an awful eyesore that destroys an interior design scheme shrinks a room and minimizes your total storage space.
One reason that ac units go up in attics is because they re cheaper and easier to install.
This is a horizontal flow air handler installed in the attic.
The flex supply ducts come out the top and are routed through the rafters next to the roof on straps before dropping back down through the floor of the attic.
Airflow comes in at the top of the air handler or furnace and flows out the bottom of the unit.
The attic has a ceiling high enough that you can stand up in it.
Upstairs level that is heated and cooled by a unit in the attic.
This type of application is found more so in modern or newer homes.
Also slightly visible is a float switch which offers triple protection against flooding in an attic if the primary drain were to plug up.
The current 20 year old gas unit is a small 40k btu upflow unit installed vertically.
That saves time and whenever your contractor doesn t take as long to finish a project you save in labor too.
The biggest advantage of having an attic furnace is that it s a space saver.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.
The efficiency of an air conditioner or heat pump can even be affected by the furnace or fan coil it relies on inside the home to move air.
You ll also free up a closet.
Proper installation of horizontal system.
Generally speaking there are two types of installations that can be done.
A down flow unit is generally installed in the home s attic and tends to be less energy efficient.
First the horizontal application calls for the air conditioner to be installed in the attic or under the home with the unit down on its side.
This is the secondary condensation pan which is installed under the air handler to save a ceiling.
This type of unit is most common when the unit is installed in a closet.
Horizontal installation is also available for some furnace and air handler models.
Some things to consider about attic vs.
There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.
It s a lot simpler for your installer to leave ductwork loose rather than having to cover it and wind it through floors and walls.
Horizontal units can be installed in attics garages or basements either by placing the device on a platform or suspending it from the ceiling.
The unit seems to be laying on its side and the airflow flows in from one side and out the other side.