At 05:43 PM 2/26/2009, Tony B wrote:
Let's not confuse the issue. Gas heaters use pilot lights, and the
thermocouple in the flame generates enough micro voltage to run the
thermostat. Again, an outside source of electricity would only be
required to run any fans. But the units will heat a house
We have two propane heaters--no electricity, no natural gas lines.
Glow-Warm 18,000 BTU, Comfort Glow 15,000 BTU. Can be vented or
unvented. Ours are unvented since they're so small and low-power.
Doesn't unvented fill the house with noxious fumes? I have read that even
cooking with gas has
No. Even if there's a malfunction, the pilot lights are cleverly
designed so that if the oxygen levels in the room lower, they go out.
But normally gas burns pretty much completely, only leaving a bit of
moisture in the air. It's said that after many, many years you can
detect a darkening in a
I am not sure where Betty lives, but if a Tornado or Hurricane comes
through this area, we can all end up going a week or maybe less
without power. During the summer it is just stifling.
If I could afford Solar I would do it, it just makes sense down
here. But I do have a gas water heater
We have two propane heaters--no electricity, no natural gas lines.
Glow-Warm 18,000 BTU, Comfort Glow 15,000 BTU. Can be vented or
unvented. Ours are unvented since they're so small and low-power.
Doesn't unvented fill the house with noxious fumes? I have read that even
cooking with gas has
Years ago a friend put one of the ventless heaters in a small trailer
she was renting. When she got home on a cold winter day, everything
was soaked inside from the water vapor. Obviously, it wasn't a good
fit for that type of installation.
Richard P.
On Fri, Feb 27, 2009 at 7:00 PM, b_s-wilk
passive gas heaters
Tell us more. I Googled the term and got just 1 hit (in French).
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Heh. That *is* an odd phraseology - sounds like a medical device. :)
http://www.fireplacesandwoodstoves.com/indoor-fireplaces/propane-fireplaces.aspx
Gas heaters generally take either propane or natural gas, and require
no electricity to heat. Some units have a fan, but it's not really
Depends on what they use to ignite the gas and to control it.
In the old days it was lit with a match... more recently, like your
electrically ignited gas stoves, it is often electricity... but unlike
gas stove, heaters have thermocouples which may require electricity ...
and sometimes a
Let's not confuse the issue. Gas heaters use pilot lights, and the
thermocouple in the flame generates enough micro voltage to run the
thermostat. Again, an outside source of electricity would only be
required to run any fans. But the units will heat a house with no
electricity at all.
Or, if you
Depends on what they use to ignite the gas and to control it.
Could it use a catalytic process that does not require an igniter?
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Not anymore. Many of them have gone to a pilotless ignition system.
(Including gas stoves)
You need electricity to run the fan, and also the thermostat.
Unless you are talking about gas space heaters.
Stewart
At 04:43 PM 2/26/2009, you wrote:
Let's not confuse the issue. Gas heaters use
The point I was trying to make is while the models you speak of require
no electricity, people should be aware there are some which do. and for
more than the fan.
db.
Richard P. wrote:
The term is one I heard to indicate an ability to have a gas heater be
able to run without an outside
passive gas heaters
Tell us more. I Googled the term and got just 1 hit (in French).
We have two propane heaters--no electricity, no natural gas lines.
Glow-Warm 18,000 BTU, Comfort Glow 15,000 BTU. Can be vented or
unvented. Ours are unvented since they're so small and low-power. Both
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