ALMOST BEEKEEPING - RELATED TOPICS > FARMING & COUNTRY LIFE

A/C coils clogged up due to dryer vent

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BeeMaster2:
Terri,
I would have to build a tent over it made of netting. Not too feasible. I will have to keep an eye on it. We have been living here for 8 years so hopefully it will bee okay for a few years.
Jim Altmiller

iddee:
Not a tent. Just a porous bag tied over the vent, changed as needed.

BeeMaster2:
I can do that, it will have to be a large one. I?m thinking about a 5 gallon paint filter.
Jim Altmiller

Terri Yaki:
Something makes me think I've heard of women's stocking filling that position. Plenty of surface area to last a while.

animal:
Jim,
I hate to say this, but the coils aren't clean. You've finished with the first step. I would have done it with a garden hose from the inside, but as long as you haven't bent the fins, you're doing great. If you have folded some fins over, you can get a fin comb from a refrigeration supply store (or probably Amazon) to straighten them back out.
After 8 years the coils of both units are sure to be dirty and oxidized, which cuts down the efficiency quite a lot.

On outside units, this means shutting power off and removing both the outside case and the fan assembly. I would start by flushing the coils and base with a garden hose and cleaning out the drainage holes on the base. Being super careful to not use too much pressure and bend fins. Then mix up a foaming coil cleaner (caustic soda based stuff is as good or better than acid based in almost all cases and easier to deal with) in a pump-up sprayer and spray coils thoroughly from the inside .. so when it foams up, it tends to push the gunk towards the outside of the unit. Let it work until the foam quits "pushing". Spray any problem areas again heavily and other areas enough to keep them wet. When done, flush thoroughly with water from the inside out and reassemble unit.   

on the inside, I usually use the spray can detergent stuff sprayed from the outlet side of the coils to push gunk towards the air intake side .. unless they're really nasty .. then it's usually like the outside coils except rinsing with another pump sprayer and with a shop vac handy... because it can get really messy.

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