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From: Don Y <blockedofcourse@foo.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Product idea
Date: Thu, 13 Feb 2025 14:04:07 -0700
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On 2/13/2025 10:08 AM, Lasse Langwadt wrote:
> On 2/11/25 22:49, Don Y wrote:
>> On 2/11/2025 2:00 PM, bp@www.zefox.net wrote:
>>> Don Y <blockedofcourse@foo.invalid> wrote:
>>>> On 2/11/2025 11:19 AM, bitrex wrote:
>>>>> A lot of people in e.g. mobile homes in New England and (other areas of 
>>>>> the US
>>>>> it gets cold in the winter) are stuck with baseboard electric heat; since the
>>>>> new administration is so big into crypto it should be decreed that all 
>>>>> electric
>>>>> space heaters sold in the US should mine crypto, and for the baseboards you
>>>>> could also have the baseboard form factor crypto miner.
>>>>
>>>> And, the occupant gets to KEEP any coin that he mines!
>>>
>>> Which begs the question, will the earnings pay the electric bill?
>>
>> I think bitrex's point was that the person NEEDING heat has
>> already decided to spend the money on the electricity required.
>> The realization that the heat could be generated while "doing
>> useful work" is insightful.
> 
> here the same idea is used by some big datacenters, selling the heat from the 
> their cooling system to the district heating system
> 
> the local cement factory also adds to the district heating system

The whole notion of a "district heating system" is anathema to american
culture.  The closest thing would be an "institution-wide" heating plant
that distributes heat from a central facility to multiple buildings
on a "campus".  Traditionally via steam transported through below
grade tunnels.

[A favorite occupation in school was romping through the steam tunnels
(forbidden) to get around.  An "infinity phone" (telephone line
with no restrictions) located in one of them was a favorite for making
"free" long distance phone calls (back when "long distance" wasn't
free)]

>> [I believe electric (resistance) heat is among the least? cost effective]
> 
> it depends, if you have excess wind energy you might as well use it for 
> something and the distribution system is already there.

Huh?  Is that LESS cost effective than electrical heating?  I'm missing
your point...