One of the advantages of an attic ac handler installation is that it makes it easier to cool the higher levels of the home if you have a multi story home.
Air conditioner installed in attic.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.
With attic insulation it is easier for the hvac system to distribute cool air throughout the home evenly.
One will cool the master bedroom the other will cool the two bedrooms where inverter s children sleep.
Regular maintenance of an attic air conditoner furnace is harder.
Hvac units in attics have undetected problems.
If water fills up the pan a float shuts off the air conditioner.
Comfort wise room air conditioners are not also known as good humidifiers.
Installing them in a space such as a poorly insulated attic where energy losses is very possible would be very costly for you in the long run.
Put it in an attic full of blown insulation.
Attic hvac system saves space.
This type of device is quite simple and effective and this is the most common method used in minnesota attics.
Attic hvac units can be inefficient.
An hvac contractor has taken a look at the house and has a recommendation inverter explains in this q a post.
They consume to much energy.
This is a horizontal flow air handler installed in the attic.
This is the secondary condensation pan which is installed under the air handler to save a ceiling.
In terms of energy use room air conditioners are not known for efficiency as well.
Without a handler in the attic circulating air to higher levels can be more challenging.