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Space heater with POWERFUL fan

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Space heater with POWERFUL fan Mike S. 10-16-2006
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Posted by Mike S. on October 16, 2006, 11:48 am




We have a small unheated bathroom and have been using small electric
heaters to make the temperature comfortable when someone takes a shower
(yes, the heater is keep well away from anything wet). Problem is, while
all the small heaters are a nominal 750/1500 watts, they differ greatly on
the amount of air moved. For the most part, they're designed to be quiet -
and that means they don't move that much ear.

The need is for the heater to get the bathroom warmed up _fast_, which
means it must blow a lot of air around the room within only a few minutes.
I'm frankly getting tired of standing in the middle of the room with a
handheld hair dryer .... but _that_ works.

The latest attempt was with the Vornado heater which claims to create a
vortex which causes air to circulate throughout the room. That it does ...
the toilet paper rustles from around the corner - but unfortunately that
vortex doesn't contain enough high velocity air to instantly heat the
whole room.

Any suggestions?


Posted by on October 16, 2006, 12:04 pm



Mike S. wrote:
> We have a small unheated bathroom and have been using small electric
> heaters to make the temperature comfortable when someone takes a shower
<snip>
> The need is for the heater to get the bathroom warmed up _fast_, which
> means it must blow a lot of air around the room within only a few minutes.
<snip>
> Any suggestions?

If air-moving were the issue, a symptom would be an overheated region
in the
path of radiation or convection from the heater. Which you do not
mention.

Even 1500-watt heater (which does stress the electrical connections) is
only going
to dissipate 5100 BTU/hr. About half the output of a stovetop gas
burner.

Suggestions? Get used to it; start heater earlier; go to higher-output
220v hard-wired
heater; insulate, seal, and heat efficiently. Your pick.

HTH,
J


Posted by Pat on October 16, 2006, 12:37 pm



barry@sme-online.com wrote:
> Mike S. wrote:
> > We have a small unheated bathroom and have been using small electric
> > heaters to make the temperature comfortable when someone takes a shower
> <snip>
> > The need is for the heater to get the bathroom warmed up _fast_, which
> > means it must blow a lot of air around the room within only a few minutes.
> <snip>
> > Any suggestions?
>
> If air-moving were the issue, a symptom would be an overheated region
> in the
> path of radiation or convection from the heater. Which you do not
> mention.
>
> Even 1500-watt heater (which does stress the electrical connections) is
> only going
> to dissipate 5100 BTU/hr. About half the output of a stovetop gas
> burner.
>
> Suggestions? Get used to it; start heater earlier; go to higher-output
> 220v hard-wired
> heater; insulate, seal, and heat efficiently. Your pick.
>
> HTH,
> J

Or, heat lamps.


Posted by Edwin Pawlowski on October 16, 2006, 1:09 pm




>
> The need is for the heater to get the bathroom warmed up _fast_, which
> means it must blow a lot of air around the room within only a few minutes.
> I'm frankly getting tired of standing in the middle of the room with a
> handheld hair dryer .... but _that_ works.

No amount of air volume or velocity will heat the air any faster than the
heater can give off heat. Youneed more h eat, or a longer heating time.
Try using a small 10" box fan and see if that helps bbefore you invest in
equipmetn that is no better than what you have.
>
> The latest attempt was with the Vornado heater which claims to create a
> vortex which causes air to circulate throughout the room. That it does ...
> the toilet paper rustles from around the corner - but unfortunately that
> vortex doesn't contain enough high velocity air to instantly heat the
> whole room.

No 1500 watt heater will be instant. Consider an infrared aimed right at
you. They tend to feel instant.



Posted by Goedjn on October 16, 2006, 3:28 pm


wrote:

>
>
>>
>> The need is for the heater to get the bathroom warmed up _fast_, which
>> means it must blow a lot of air around the room within only a few minutes.
>> I'm frankly getting tired of standing in the middle of the room with a
>> handheld hair dryer .... but _that_ works.
>
>No amount of air volume or velocity will heat the air any faster than the
>heater can give off heat. Youneed more h eat, or a longer heating time.
>Try using a small 10" box fan and see if that helps bbefore you invest in
>equipmetn that is no better than what you have.
>>
>> The latest attempt was with the Vornado heater which claims to create a
>> vortex which causes air to circulate throughout the room. That it does ...
>> the toilet paper rustles from around the corner - but unfortunately that
>> vortex doesn't contain enough high velocity air to instantly heat the
>> whole room.
>
>No 1500 watt heater will be instant. Consider an infrared aimed right at
>you. They tend to feel instant.

If your water heater has the capacity, running the shower at
it's hottest setting will dump a lot of heat into the room
fairly quickly, and heat the surface you're standing on, too.

I find that if I turn the shower on first thing as I enter
the bathroom, and pull the curtain, by the time I actually
get INTO the shower, the stall is a fairly comfortable.

If you need better than that, I think you're going to
have to start heating the bathroom all the time.

Or let someone else go first.


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