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QUESTION:Has anyone used one of these? The one I got an ad for had light bulbs that
heated some type of heat exchanger and able to heat 500 square feet using
1500 watts. I haven't seen any posts about these and wonder if they are as
good as they sound or something in-between a space heater and a furnace as
suggested in the ad? I just want to heat my living room and kitchen about
500 square feet and when I did the math by keeping my furnace off it would
be cheaper to heat this way but if the thing doesn't work or work as
advertised then that is another story.
ANSWER: A 1500 watt "furnace" is nothing more than a space heater. The heating
capacity is roughly the same as a 1500 watt hair dryer. This limitation
arises since the normal branch circuit / outlet you find in a home can only
supply a bit more power than 1500 watts before it will blow a fuse / trip a
breaker.
The term "furnace" is really misleading. Compare this product directly to
other 1500 watt space heaters (there are many being sold) to see how it
compares with regard to safety features, thermostat, air / blower functions
/ weight / size / warranty / etc. Then decide if it still appeals to you.
There is nothing magical about using light bulbs to heat a heat exchanger.
It is actually a poor way to generate heat from electricity, indirectly
heating a heat exchanger with light bulbs. I would personally look
elsewhere.
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