The Emperor's New Hydrogen
Updates: Chapter 26 – Stationary Energy
Last updated 2009.09.23
Page 204 – Use Free Heat
A reader has pointed out that letting water stand in the tub is
a potential hazard for toddlers with unsupervised access to the
bathtub and able to climb into it, but too young to understand the
danger. Under those circumstances, I agree it is better to drain
the tub immediately than try to extract the heat from it.
Page 205 – Use Free Heat
You should only use the exhaust heat from an electric clothes
dryer if you will benefit from the humidity as well as the heat.
Excess humidity can cause problems (condensation, mould). This is
why I mention condensing dryers at the end of this discussion in
the book. You should also check local by-laws and codes to see if
there are any restrictions on this technique in your area.
Page 226 - Water Consumption
It's possible to save water in cooking as well. Steaming vegetables
will use less water (and heat energy) than immersing them and
boiling nutrients out of them.
Harold McGee writes that
cooking pasta in less water (other
than capellini) provides adequate results while reducing water use
and energy costs.
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