permaculture

[Rhonda Baird <rk.baird@yahoo.com>]

Bob, I’ve also seen this in some European developments—where technology 
including water pipes are put into the roadways to absorb radiant heat and 
“preheat” the water. 

-rhonda baird
> On Jul 20, 2016, at 11:03 AM, Bob Waldrop <bob@bobwaldrop.net> wrote:
> 
> On 7/20/2016 3:34 AM, Lawrence London wrote:
> 
>> But we would hardly move to Siberia, where life is an unremitting struggle
>>> against the cold.
>>> 
> 
> One of the interesting things about life in Siberia is the prevalence of 
> district heating systems, where an entire neighborhood or village is heated 
> from a central plant.  While I am certainly not an expert on the subject, 
> my reading is that such systems are more efficient than the typical modern 
> house which has its own individual heating system.  One of my thoughts 
> about urban permaculture is that district heating and cooling systems, 
> coupled with superinsulation and other passive systems, would be a useful 
> way to lower the energy consumption of cities.  To some extent, this 
> happens in central business districts, where there is often some form of 
> district heating or cooling available.  Downtown Oklahoma City has that 
> "amenity".
> 
> Bob Waldrop, Okie City
> http://www.ipermie.net
> 
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