Cover your air conditioner condenser with plywood
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Plywood weighted down with bricks does a good job of protecting your air conditioner condenser in winter.
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Don't wrap it!
Wrapping your condenser can cause rust.
Many homeowners are tempted to wrap their air conditioner condensers (the outside unit) to protect them over the winter. But wrapping an A/C condenser is never a good idea. Steel
rusts, and wet steel rusts even more. Even when wrapped
tightly, your condenser isn't airtight. So moisture gets
trapped under your tarp and condenses on the inside of the
unit. The moisture on your neighbor's condenser is free to
Covering an A/C condenser also encourages rodents to
move the family into new digs where they're protected from
the elements. Once they're settled in, they'll gnaw on the
compressor wiring and insulation. Come spring, you'll have
a stinky cleanup, a rusty A/C condenser and a hefty bill for
If you want to protect the unit from falling icicles, just
place a piece of plywood over the fan guard and weight it
down with bricks. If you want to protect the metal and keep
it looking good, give your condenser a coat of car wax before
the snow flies.