Best way to de-coldify a mail slot

In My Humble Opinion
1

I’m trying to cut down on my apartment’s heating bill. I have three rooms (four, if you count the minuscule bathroom). The entryway and kitchen are connected and have no door. The bathroom is off the kitchen and has a door. The living room is off the entryway and has a door. I have central air and the thermostat is in the living room.

Got all that? Ok.

So I’ve been keeping the bathroom and livingroom doors closed, and I’ve blocked the heating ducts in the entryway and kitchen (there isn’t one in the bathroom). I think this has served to cut down my heating bill, as I’m mainly just heating the livingroom, with losses escaping when I open the door to go to another part of the apartment or to leave. The mail slot is in the entryway, so I don’t think I’m getting a lot of losses from it. However, it is always very cold in the entryway, and I think the slot is the main culprit. Is there any way, short of getting a mailbox and blocking the thing up completely, to somewhat insulate a mail slot but still let mail in?

2

Get a piece of thick plastic, larger than the mail slot. Tack it above the slot so that it covers the slot by at least 2 inches on each side and a few inches below. You might want to leave a note for your postman indicating that inserting the mail in the slot will take a little more effort.

3
      • You could attach a small plastic bag to the inside somehow. This won’t be insulated but would eliminate drafts and still allow enough room for the mail to land in. If the door or the mail slot thing is metal, use some magnets to stick the bag over the inside of the mail slot.
        ~
4

Get a piece of Shag carpeting reminent, & use two tiny wire nails to cover the hole with the carpet, fuzzy side toward the slot.

Weight the lower end of the carpet reminent with a nut & bolt, to keep the carpet from flapping in the wind.

Bob’s yer uncle. :slight_smile: