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Regarding those quartz / halogen heaters

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Posted by Eeyore on December 23, 2006, 10:06 am
 


There have been a few posts here regarding the quartz tube halogen element
radiant heaters that have recently become widely available.

I just acquired one myself and I thought it might be useful to share my
experience.

I was just interested in some 'local heat' as much as anything to keep my feet
warm when working at the PC. Until now I've been using a 'fan heater' set on its
lowest 1kW setting but was concerned a bit about the power consumption being
unnecessarily high.

I just purchased a 400/800W halogen heater from Focus DIY ( UK ) for 7.99.

I'm pleased to say that on its lower 400W setting it provides plenty of heat for
the purpose. Because I only need the heat 'locally' it's actually subjectively
warmer than the fan heater on 1kW which was using 2.5x as much energy !

Plus of course that means my electricity bills will now be that much lower.
Definitely a good result.

Graham


Posted by GrtArtiste on December 23, 2006, 1:28 pm
 




wrote:

A brand name/model number would be helpful. At that price, I am
guessing it is not made-in-UK. Where is it made? What is your
impression of it's quality? Do you think you will be using it 5 years
from now...or 10? Did you choose it because it is easily replaceable if
it fails? Did you make comparisons with other products before choosing
this one?

GrtArtiste


Posted by Eric Sears on December 23, 2006, 6:05 pm
 



Once I wouldn't have thought much about this - but I bought a "chinese
made" 400/800 watt I-R heater of the type descibed, a few years ago.
One of the bars "failed" within about 5 months. On disassebly, it was
clear that the nichrome wire used was very sub-standard - being
thinner in some places and causing hot spots, which caused serious
oxidisation, further thinning and eventual failure at that point.
Though I managed to make a temporary repair, its clear that it will
fail again (somewhere else) in a short time.

Similar good quality wall-mounted I-R heaters (made in NZ), have
lasted for many years.

Eric Sears.

Posted by GrtArtiste on December 23, 2006, 7:07 pm
 


Eric Sears wrote:


That's exactly what happened to the chinese heater I once bought. Mine
lasted not quite 2 years. I've since been buying Lakewood heaters and
am very satisfied.

GrtArtiste


Posted by Loren Amelang on December 24, 2006, 9:56 pm
 

On Sat, 23 Dec 2006 18:05:40 GMT, phoneme@025379386.for.email.address
(Eric Sears) wrote:

Was looking at a friend's new Marvin (US) Model 2060 quartz radiant
heater last night. With the power off, you can just barely see a tight
spiral pattern that appears to be coated on the outside of the quartz
rods. The slightly less transparent part of the spiral is about 0.050"
wide, with about 0.020" between adjacent turns, and it appears to be
applied extremely accurately. No visible wire at all, and the quartz
appears to be a solid rod.

My guess is that they have plated a metallic "thick film" onto the
outside of the quartz. I've seen similar devices used for process heat
in the semiconductor industry, but this is the first domestic unit
I've seen. They are $9 US locally, but with propane now over $ per
gallon, it pays to substitute electric heat up through our first two
baseline tiers - over half of her heating load.

Loren (offgrid, where wood is by far the cheaper fuel)

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