Attic hvac systems save space.
Attic ac ni visible drain pipes.
Water was condensing on the pvc drain pipe because of the humid attic and the cold drain p.
Water flooding around the air handler unit.
My ceiling was stained from a water leak from the ac in the attic.
A clog in the drain line of an attic ac unit is a homeowner s worst nightmare.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
It had been clogged and was dripping water into the overflow pan and needed to be unclogged.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
After physically removing any visible debris from the ac drain or drain pipe opening the most likely way the technician will clear the clogged drain is using suction from a shop vacuum or wet vac.
Luckily it is usually easy to clear out a clog.
The air conditioner drain pipe is always open at the pan attachment that s where the air needed to drain the condensate comes in.
This is where problems occur and may lead to a backlog of water and or a blockage.
If your ac is not cooling or running at all due to a clogged ac pipe the water safety switch would have been triggered preventing it from operating.
Use the attic access in the garage right next the drain pipe and see if that is the drain attached to the air handler itself or the emergency drain attached to the drip pan.
A powerful wet dry vac and proper hose attachment can take care of most jobs.
So why put an hvac system up in the attic at all.
Just keep that opening clean and you won t need a vent pipe insulation getting in the hole is most of the time what clogs the drain 750 views view 1 upvoter.
Well mainly it s a way to save space.
It can potentially cause extensive and expensive water damage.
Other signs of a clogged ac drain pipe include.
If discharging into a plumbing vent in the attic there must be a wet trap as defined by water discharge sufficient to maintain a seal on the trap.
If you see another pvc pipe connected to the air handler itself follow it in the attic to see where it goes.
Alternatively they might use a garden hose or plumbers snake to remove the clog.
Leave basement ceiling pipes to create more room most of the time these pipes will be recessed into the support beams of the floor above.
If the furnace is a 80 furnace it makes no condensate thus the trap could go dry when in the heating mode and could allow sewer gas into the air stream and into the home.
