Re: Politicians and energy policy


rickman wrote:

On May 24, 12:04 pm, "Tim Williams" <tmoran...@xxxxxxxxxxx> wrote:
"Michael A. Terrell" <mike.terr...@xxxxxxxxxxxxx> wrote in messagenews:_IGdnWTL4tjngKXVnZ2dnUVZ_u2dnZ2d@xxxxxxxxxxxxxxxx

Someone said you have to "dehumidify" during the day... maybe you do
to some degree, but if you aren't in the house, there is very little
moisture entering it.

Then you've never lived in FLorida.

Or an old house. This house was built in 1898 and leaks like a sieve!

I live in an old house (ca 1962 with plenty of unintended ventilation)
near Washington, DC with summer humidity of nearly 100 % and temps
above 90F. Unless you are in the middle of the Everglades, you got
nothing on us.


Yawn. Like I said, you have never lived in Florida. There are
insects that make holes in concrete, chew vinyl or aluminum siding, and
critters like aligators and bears comining into hevily populated areas
damaging homes, and attacking people.


The bottom line is that even leaky houses don't leak
unless something is pushing the air.


Hot, wet winds are enough. Unless you want to calk every door and
window shut, there WILL be ingresion of humid air. If you seal it up
that tight, the humidity will rise from human breath, and sweat. If you
think 90 is bad, smpend some time down here after ahurricane when it's
over 100 degrees, with no electricity.


Humid weather seldom has
significant winds and if you aren't home, no one is opening the
doors.


Once again you don't live in Floria. It is a penensula with lots of
water on both sides, and a lot of humid wind that you won't get in DC.


I have left my house closed up and the AC off for hours during
the day. Other than the first hour that it takes to get the temp down
to anything remotely reasonable, it is then fine.

That is the point. If the house is allowed to heat up during the day,
it then takes less work to cool it down than it would to keep it cool
all day. But no one wants to come home to a house that is 90F inside
and wait for it to cool down. But if the AC is smart enough to
actually "know" when you will be home, then it can cool it down to
match your needs.


Yawn. I had my AC in a timer to come on one hour before I normally
got home from work. It usually took two more hours to bring it down to
78 degrees. It trned off the AC an hour before the alarm went off in the
morning.


The idea of using a "smart" electric meter to achieve the same power
reducing effect as rolling blackouts is bogus.


Only if you don't understand how it works. I live alone right now.
The water heater comes on after midnight for about 1.5 hours, and gives
me usable hot water for the full 24 hour day. That takes that load off
any likely peak demand point in the 24 hour cycle. Actually, the
heaviest usage around here is when people first get home from work and
turn on the TV, fire up their electric stoves, along with their A/C.
For two years you could almost set your watch to 5:00 PM on Fridays
during the summer, because the demand would blow a fuse in the 7200 volt
line powering this subdivision. Peak shaving that would turn your A/C
off for five minutes, then the one next door, etc would lower the
average, and reduce the chances of multiple compressors kicking in at
the same time.


AC, the primary power
consumption, is duty cycle driven. The thermostat in your house is
actually a duty cycle modulator to maintain a temperature. If the
power company has control over it to cut it out for periods at peak
usage, all that does is to make the AC run at a *higher* duty cycle
the rest of the time. The only way they can actually save power is to
reduce the periods that your AC is enabled to the point where the duty
cycle is below where it can maintain the set temperature. Then the
temperature inside will rise, because the power company is now
regulating it, not your thermostat.


The whole idea is to average out the uysage to eliminate or delay the
need for new power plants and upgrades to the distribution system.




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