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Maybe for next Winter or the cold Sydney Spring nights!
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Anko Oscillating Fan Heater $6 + Delivery @ Target via Catch
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LAshisabroke on 18/09/2024 - 19:59 catch.com.au (1068 clicks)
Last edited 18/09/2024 - 20:11 by 2 other users
Last edited 18/09/2024 - 20:11 by 2 other users
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Thats why op is broke
Electric blankets and throws are way to go, per watt of energy used per degree of body temp raised.
electric throws are a crazy good way to get through winter
Delivery fee $9 :(
These heaters use alot of electricity, I use it on cold nights when gaming at the pc but I'm very reluctant to leave it on too long as its very energy inefficient.
i just leave my gaming pc on
and maybe one of my xeon vm servers
Electrical Energy Efficiency = Desired Work Output / Electricity Input x 100%
Electric resistance heating is 100% energy efficient: all the incoming electric energy is converted to heat. This fan heater is near 100% efficient in that almost all the electricity is converted into heat, except for the noise the motors generate and the air that the fan moves.
so why spend on heat pumps?
Because heat pump uses electricity to "move heat". The heat comes from the outdoor environment instead of being generated by resistive wires. It turns out that moving heat from the outdoor to the indoor uses less electricity than generating the same amount heat, up to a thermodynamic limit.
@alvian: so energy a heat pump uses is more efficiently producing the desired work output
I guess that makes it more than 100% efficiency which doesn't make sense…
@0jay: The desired work output is the transfer of heat from one place to another. This process is not 100% energy efficient: some electrical energy is lost as heat and noise to the outdoor environment and as entropy.
The fact that the indoor environment gets heated more than the electricity spent in making the same amount of heat leads to claims that heat pumps have 600% energy efficiency.
Heat pumps are more than 100% efficient
@DiscountForThee: that's some mighty peculiar figuring y have there stranger
how bout we call heat pumps 100% efficient and resistance element heaters 16.6% efficient..?
@DiscountForThee: what i'm assuming is that when a person observes that a space heater in a deal is not very efficient, it's counterproductive to make the observation that achully it's 100% efficient
a space heater's inefficient relative to other methods of heating a space, how's it help to confuse the matter, however correct y may be?
@0jay: If you look up coefficient of performance you will see that heat pumps can operate at 400% or 500% efficiency, because they drive a compressor that can move five times the heat of the electricity used.
So a radiant heater is 100% efficient at turning electricity into heat, but a heat pump or reverse cycle air conditioner can be several times more efficient.@mskeggs: ok but if you were out shopping wi your gran and you'd been discussing some rebate that allows her to get a heat pump for effectively $5 but when y stop by woolies for some sox she goes ooooh this little blo heater's only $5, it's the same as the heat punp but I can get it now!
would y tell her it's 100% efficient or would y say the heat pump's 5 or six times more efficient?
dunno bout you but my nan'd go 100%'s as good as it gets, 500% efficeincy may well hit her like a sales pitch
i'm not saying it's wrong, tbh i don't really care but if anyone on this thread reads oooh 100% efficiency and nips out to target to buy one you've done em a disservice imo
also radiant heaters generate light, spacies generate noise, not 100%
if you were out shopping wi your gran
I'd tell her to trust the people who have actually studied this and not some person on the internet who is struggling to grasp the concepts lol
@DiscountForThee: the concept you're struggling with is that heat pumps are more efficient than space heaters and framing it in multiples of 100% just muddies the water for consumers
These heaters use alot of electricity
this statement was met by
resistance heating is 100% energy efficient
this statement.
what i'm confused about is what possible contribution the second statement makes to the first observation
I have this, and it just consume so much power with barely any heat.
Decent if you have it directly blowing on you at a close range.Also $6 pickup from Target.
Buy it to use it as a fan. (not kidding, it has that function)
Or store it to resell in 9 months time.
Are these about the same efficiency as the bar heaters?
Electricity has risen 107% in 10 years
I remember as a kid my parents would run yhis kind of heater for hours at a time
They are cheap to buy and prob still work out better for some households that won't use it often.
Not cheap to install an aircond and per use might be more expensive than one of these.
People that use an electric blanket, have you tried double blanket?
I bought a little electric blanket this winter and my electricity bill barely budged. You can set a timer so that it warms up the air under the blanked then switches off.
Saved a heap compared to hearing up the entire room with a heater.
peak july i don't have enough blankets, have to lay my bluey over my feet to get through a night without waking up
electric rug over the sheet and under the blankie kills the problem dead
electric underlay uses about 10W on low, and keeps me warmer than a double blanket.
I'll gladly pay the 0.1 KWH per night to sleep comfortably
The only time these would be cheap to run are if you're in a caravan in winter on a powered site.
I heard these are no1 reason for fire in a household
$6 purchase, 60c an hour to use..