[Greenbuilding] Induction cooking

[Benjamin Pratt]

In my case, with a house that I've tried to tighten-up, but which is
still somewhat leaky--I dont' exhaust any of the heat from my gas
stove. So it's very efficient--any energy that does not cook the food,
helps to heat the house.
   Also, a lot of quality cookware is aluminum--or copper, or both.
That being said, i would like an induction cooktop for the ease of
cleaning, and because it is more safe--especially around kids.
But I can't justify the initial cost at this time--especially since
I'd have to get all new cookware as well. I have calphalon (which i
don't really like much). But good cookware is expensive and mine does
the job.
Ben

On Sun, Sep 25, 2011 at 6:59 PM, Steven Tjiang <steve at tjiang.org> wrote:
> Having said that.  Though induction cooktops are more efficient than
> conventional gas I wouldn't justify it on the basis of energy efficiency.
>  For most people the duty cycle of cooking just isn't high enough to warrant
> the savings in energy and the capital investment.  Switch because induction
> is more convenient, more responsive over conventional electric and provide
> better IAQ over gas with no loss in flexibility.
> ---- Steve (KZ6LSD)
>
>
> On Sun, Sep 25, 2011 at 4:56 PM, Steven Tjiang <steve at tjiang.org> wrote:
>>
>> We have a induction cooktop and we wouldn't trade it for a gas one ever.
>>  Here are the reasons:
>>
>> Very little heat goes outside of the pan.  This is why it's efficient.
>> For gas, i have heard about 60-75% of the heat energy goes up the exhaust
>> vent.
>> It's just as controllable as gas.
>> When you spill things on the cooktop the clean-up is trivial compared to
>> gas or convention electric because the cooktop surface doesn't get hot
>> spilled food doesn't crust up.
>> Gas cooktops require venting to the outside.  This is bad for a
>> well-sealed house.
>>
>> True, you do have to use "special" cookware like cast iron and steel on
>> induction cooktops instead of cheap, crappy aluminum junk,
>> ---- Steve (KZ6LSD)
>>
>>
>> On Sun, Sep 25, 2011 at 12:03 PM, Bruno M. <brunom1 at telenet.be> wrote:
>>>
>>> hum,
>>> your off with your math by a factor thousand.
>>>
>>>
>>> 0,150 kWh
>>> 0,087 kWh
>>>
>>> There is hardly any energy efficiency benefit versus natural gas cooking.
>>>
>>> And for  induction cooking you need special pans .
>>>
>>>
>>> Grts
>>> Bruno M.
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> Op 25-9-2011 18:54, Richard Garbary schreef:
>>>
>>> Electric stovetop versus induction:
>>> .5 litre  water to a boil.
>>> Kenmore electric stove:
>>> 1200 watt element/60 minute * 7.5 minute = 150kwh
>>> Salton model 1081 induction cooker from Costco ($65) :
>>> 1310 watt / 60 minute * 4 minute = 87 kwh
>>> A great way to help flatten the curve.
>>> ================================================
>>>
>>>
>>>
>>>
>>>
>>>
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>
>
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-- 


b e n j a m i n p r a t t

professor art+design
the university of wisconsin stout