In addition to making the unit hard to get to for service high attic heat can trigger the high pressure limit switch turning your condenser off.
Attic based ac system.
So why put an hvac system up in the attic at all.
It is called a split system.
There is an outdoor and indoor unit.
There is a cost effective and simple option to provide air conditioning to your attic without the cost and hassle of installing ductwork.
In terms of energy use room air conditioners are not known for efficiency as well.
A split system is exactly what it sounds like.
Well mainly it s a way to save space.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Typically this indoor unit gets placed in a cabinet or closet somewhere inside.
If your attic tends to get hot it can make your air conditioner less efficient.
But with proper ventilation you can at least bring those temperatures down to match that of the outdoor air.
Unless you have a finished attic you probably aren t fond of spending time up there during a hot summer day.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
To reset the switch you ll need to climb up into.
Aesthetically and practically speaking a bulky ac system in a small space like an attic is not only ugly and obtrusive but will also take up a space and even a sizable amount of elbow room.