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  1. Replies
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    question

    Does it actually terminate in the duct or just run through it. (bad enough)
  2. Just a homeowner here. But the obvious question...

    Just a homeowner here. But the obvious question is did they manage to damage your return ducts in such a way you are pulling in gunk from the attic? I use 4 inch media filters and can easily go six...
  3. Replies
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    I haven't read all the posts here. Everybody's...

    I haven't read all the posts here. Everybody's talking about costs. The real issue is comfort. Here in California, we have low humidity and cool nights even on the hotest days. If you leave your...
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    We need a professional to comment on this, I'm...

    We need a professional to comment on this, I'm just a homeowner, but what about a hydronic loop of a few baseboards fed from the water heater? Since you have a crawlspace below there is plenty of...
  5. Yes we really are

    suggesting you leave it on.

    Because then you will maximize the amount of heat that is efficiently produced by the heat pump, and use less resistance heat. Well at least if the temp is above 25. ...
  6. I'm just a homeower here in California. But...

    I'm just a homeower here in California. But nobody seems to want to be very helpful so I thought I'd share my 2 cents. I have bought numerous systems for homes I've owned but have not had a PTAC...
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    demoman, I live here in San Jose too. What...

    demoman,

    I live here in San Jose too. What you do have to realize that in a mild climate, while the steady state needs to keep your house warm might be slight, if you want to turn the temp down...
  8. Why not move the thermostat? An open upstairs...

    Why not move the thermostat?

    An open upstairs hall will always be a little warmer.
    If you want/ need to cool the hall more you need to add a supply
    duct. But you still probably want to move the...
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    California Water Heaters

    The vast majority of water heaters in my neighborhood which was built in the mid- 60's are in interior closets. When I said vented, I didn't me the flue.
    The flues go up through the roof. But they...
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    I was aware of ovens not having safety...

    I was aware of ovens

    not having safety devices. Since kitchens tend to be frequently occupied, a pilot
    that's out would be discovered quickly. But furnaces and water heaters are put
    in...
  11. Replies
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    My comment is as a homeowner to homeowner. ...

    My comment

    is as a homeowner to homeowner. And I don't know the difference,
    I'm not in the trade.

    It just shocks me that any furnace would not have a safety device that
    shuts the pilot...
  12. Replies
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    You've got to be kidding. I'm not in the...

    You've got to be kidding.

    I'm not in the trade, but have seen a lot of gas appliances in
    my life. Never saw a pilot light without a thermocouple and the
    need to hold the button down when...
  13. Replies
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    a gust of air

    Lindy I'm a homeowner ( an electrical engineer )

    But your question is simple enough.

    If you have an old furnace with a pilot that stays lite all the time
    (standing pilot),
    all it might...
  14. Thanks for the quick reply. I hope you are...

    Thanks for the quick reply.

    I hope you are doing something for the 4th today.

    I'm going to the San Francisco symphony concert and
    fireworks in Mountain View.
  15. Return duct code

    Been There, I would like your opinion on a similiar possible code
    issue.

    I have a situation with a return duct that was installed to try and
    improve my high static. I guess I wondered all...
  16. Replies
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    Electric Rates in California

    Just so all the rest of you out there can see how lucky you
    are. These are the socialistic electric rates in California that
    increase exponentially with use. This is why google...
  17. Window units are dirt cheap

    I know the pros on this board all are in the business of central A/C.

    I have central A/C now, but have lived in a number of homes that
    were made quite habitable by a couple of window units. ...
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    Car Pool math

    They say it saves the same as carpooling once per week.

    from

    http://www.epa.gov/oms/climate/420f05001.htm

    1 gallon of gas generates 19.4 pounds of CO2.
    (See how easy it is to generate a...
  19. Replies
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    Still not sold

    on the solar panel for the A/C.

    Actually the solar panel to cool the Prius sounds like it might make
    some sense.

    When I lived in AZ and got into cars at 170 degrees all the time it
    was...
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    Economics

    You say that I turned the green movement into how much I can save on my electric bill.

    I think Lennox turned the good intentions of people who want to be green into how much money they can make on...
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    I meant condensor

    without a fan, not evaporator.
    You can see I'm not a HVAC guy.

    From

    http://www.cosolar.com/system_design/systems_no_math.htm

    One quick formula (sorry):

    2.2kW grid-tie system - does it...
  22. Replies
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    Saving compared to what?

    They say that they offset carbon - but compared to what?
    An evaporator without a fan? A SEER 8 system?

    They want you to spend $3 to $4k for something that generates
    190 watts only when the A/C...
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    Cheap Marketing Trick

    carlb23 I agree entirely with your technical assessment.

    Its a clever marketing trick to appeal to the do-good or be
    with it instincts of customers who don't have a clue about
    technology.
    ...
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    I'm here in the Bay Area, but lived in L. A....

    I'm here in the Bay Area, but lived in L. A. years ago.

    L.A. can flirt with frost, but just barely. I don't think anything in an attic
    in L.A. has any danger of freezing.
  25. Replies
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    Very Dangerous Situation The sounds you are...

    Very Dangerous Situation

    The sounds you are getting may be from condensation inside your walls!
    See the link I put in the last post.

    If this vent is near the bedroom you may wake up dead. ...
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