Only the condenser is outside of course.
Attic furnace filter.
We don t have basements due to flooding.
Btw in east texas all furnaces coils blowers go in the attic.
Just had to replace my furnace coil and condenser this weekend.
There is even a higher risk of not changing the filters for the equipment because of its location.
Replacement attic air filters utilize 100 synthetic fibers and electrostatically charged pleated media which offers an extended surface area for higher dust holding capacity.
List of the pros of a furnace in the attic.
Went with a furnace with a pull out filter.
Ideally an attic furnace would have its own insulated utility room with enough space to service it easily which would provide year round.
Air filters inc constructs air filters to replace common manufacturers such as honeywell aprilaire air bear space guard trane white rodger and more.
Excessive dust and debris in the furnace area will be pulled into the vents clogging the filters which can cause the furnace to malfunction.
Given the tight quarters of most attics servicing an attic furnace may be more challenging but the advantages can outweigh the annual filter replacement or the few occasions when servicing is required.