[Greenbuilding] Quartz Infrared Heaters

[Steven Tjiang]

The conservation of energy (i.e. 1st law of thermodynamics) applies to
closed systems.  It is very easy to MOVE much more than 1 kwh of heat from
one place to another using 1 kwh of electrical energy.  Happens all the
time.

---- Steve (KZ6LSD)


On Thu, Sep 22, 2011 at 9:13 AM, Bob Waldrop <bwaldrop at cox.net> wrote:

> I am not an expert on electrical heating devices, but the laws of
> thermodynamics dictate that it is physically impossible to get more than 1
> kwh of heat out of 1 kwh of electrical energy.  in fact, the amount of heat
> will always be less than the amount of energy expended, whether we are
> talking electricity, natural gas, wood, propane, whatever.  You can't make a
> profit, you can't break even, you can't get out of the game.
>
> Bob Waldrop, firmly devoted to obeying the laws of thermodynamics, all the
> time, everywhere,
>
> -----Original Message----- From: Kat
> Sent: Thursday, September 22, 2011 10:48 AM
> To: Green Building
>
> Subject: Re: [Greenbuilding] Quartz Infrared Heaters
>
> And if that "someone" would maybe possibly be willing to explain to the
> rest of us MATH-FREE? ;-)
>
> -Kat
>
> On 9/22/2011 8:00 AM, elitalking wrote:
>
>> Corwyn writes: For heating areas, or people?
>>
>>
>> My comment:
>>
>> This is for heating people.  However, I do not understand how it works.  A
>> radiant infrared lamp directed at an occupant will deliver heat to the body
>> without heating up the whole space.  However, in this device, the lamp is
>> inside a box that includes a fan to distribute the heat convectively.  The
>> box is warm to the touch, but not hot like a woodstove. My guess is that a
>> lamp is used to heat up copper plates and a fan blows this heat to deliver
>> to space.  Therefore the heat is not radiantly delivered to occupant.  I do
>> not understand why 1kwh electricity would produce more heat the 1kwh of
>> heat.  I know someone on this list does understand these devices.  I hope
>> you are willing to explain it to the list.
>>
>>
>>
>> Thanks Eli
>>
>>
>>
>> ----- Original Message ----- From: "Corwyn" <corwyn at midcoast.com>
>> To: "Green Building" <greenbuilding at lists.**bioenergylists.org<greenbuilding at lists.bioenergylists.org>
>> >
>> Sent: Tuesday, September 20, 2011 5:34 PM
>> Subject: Re: [Greenbuilding] Quartz Infrared Heaters
>>
>>
>>  On 9/19/2011 4:00 PM, elitalking wrote:
>>>
>>>>
>>>>
>>>> Do people on the list have experience and opinions about Quartz Infrared
>>>> Heaters such as Edenpure? Are these better than heat element heaters for
>>>> small heat required situations?
>>>>
>>>
>>> For heating areas, or people?
>>>
>>> Thank you Kindly,
>>>
>>> Corwyn
>>>
>>> --
>>> Topher Belknap
>>> Green Fret Consulting
>>> Kermit didn't know the half of it...
>>> http://www.greenfret.com/
>>> topher at greenfret.com
>>> (207) 882-7652
>>>
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>>>
>>>
>>
>>
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