Summer is gone, fall is here, and it’s time to get around to all the fall chores – put up your storm windows, turn off the outside sillcocks, cover up the air conditioner… wait, scratch that last one. Don’t waste your time or money installing a cover on your AC unit. I've already seen people start to cover their air conditioners this year, but there's no need to.
Why do people even install air conditioner covers? One company that sells covers claims that their AC cover “protects from dirt, hail, snow, ice, nesting animals, moisture, bitter cold, and harsh sunlight.” Wow, that list makes me not want to go outside. Let’s review those one at a time.
If you want to keep stuff from falling in to the top of your air conditioner during the fall, just put something on top of it, like a piece of plywood. While it seems a little laughable, even a makeshift cover like the one pictured below will work just fine, as long as you do something to keep it from blowing off. This will keep debris from falling in the top of the unit, and it won’t trap moisture. If you want something that doesn't look silly, install a very short cover.
Reuben Saltzman, Structure Tech Home Inspections – Email – Home Inspector Minneapolis
Why do people even install air conditioner covers? One company that sells covers claims that their AC cover “protects from dirt, hail, snow, ice, nesting animals, moisture, bitter cold, and harsh sunlight.” Wow, that list makes me not want to go outside. Let’s review those one at a time.
- Dirt - When the fan on an AC unit is running, air will be sucked in on all sides of the unit, and this is when most dirt and dust accumulates. When the unit is just sitting dormant, outdoor contaminants don’t get sucked in.
- Hail - We don’t get hail during the winter here in Minnesota.
- Snow - Snow won’t hurt the AC unit.
- Ice - Ice won’t hurt the AC unit.
- Nesting Animals - I’ve never seen this happen, and I can’t figure out how it could.
- Moisture - C’mon, seriously?
- Bitter Cold – Get out.
- Harsh Sunlight – Ok, that’s enough.
If you want to keep stuff from falling in to the top of your air conditioner during the fall, just put something on top of it, like a piece of plywood. While it seems a little laughable, even a makeshift cover like the one pictured below will work just fine, as long as you do something to keep it from blowing off. This will keep debris from falling in the top of the unit, and it won’t trap moisture. If you want something that doesn't look silly, install a very short cover.
Reuben Saltzman, Structure Tech Home Inspections – Email – Home Inspector Minneapolis
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