I'm using an electric heater to keep the room at around 55 degrees which is just
ok but I am considering another less expensive method. also in the small room
the heater is always in the way.
This addition is closed off from the house in winter with a curtain in an open
I would like to cut a hole from the house into the addition about 6' up the wall
and install a small, hopefully quiet, fan to push warm air from the house into
the addition. Between that and leaving the doorway open I think it would be
possible to match the house temperature and remove the electric heater.
Does this sound like a reasonable solution.
What type of fan should I use. One that would work on a thermostat might be a
It might work if this room is insulated, if not it'll be like keeping a window
Standard box/window fans with thermostats work the opposite of your desire -
they turn on when it gets hotter and off when it gets cooler.
I would be careful to check building and fire codes before cutting that
If you can run a natural gas pipe into the addition, a better solution is a
small direct-vent space heater (both intake & exhaust through the wall)
controlled by a wall-mounted thermostat. It must be installed on an outside
wall for the vent hole. Operating costs are vastly cheaper than electric.
- Nehmo -
You could get away with a ventless heater. Of course, as you say, you'd
need the gas supply, and OP apparently doesn't have gas in the addition
But if OP wants to stick with the fan idea, I don't see anything wrong
with it. I'd just use something like what Radio Shack sells for around
$20. OP might consider making the hole near the top of the wall and
sending a tube downward, or even to the other side of the room, to
I'm considering a round hole and installing one of those 5" in duct fans used in
They come in 5 and 6 inch but I think the 5 inch would be about right.
I'm told they are durable and quiet.
A must because it will run steady 5 months of the year.
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