Search:

Type: Posts; User: bobRitchie

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    15
    Views
    2,098

    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
    90
    Views
    7,750

    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...
  4. Replies
    28
    Views
    2,508

    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...
  7. Replies
    21
    Views
    2,801

    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...
  9. Replies
    40
    Views
    2,387

    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...
  10. Replies
    40
    Views
    2,387

    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
    40
    Views
    2,387

    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
    40
    Views
    2,387

    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
    40
    Views
    2,387

    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
    30
    Views
    2,094

    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. ...
  18. Replies
    40
    Views
    1,822

    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
    40
    Views
    1,822

    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...
  20. Replies
    40
    Views
    1,822

    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...
  21. Replies
    40
    Views
    1,822

    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
    40
    Views
    1,822

    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...
  23. Replies
    40
    Views
    1,822

    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.
    ...
  24. Replies
    22
    Views
    1,508

    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
    19
    Views
    2,906

    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. ...
  26. Replies
    19
    Views
    2,906

    Get a contractor to replace your B-vent! But...

    Get a contractor to replace your B-vent!


    But the Home Channel did do a show where exactly the kind of noise
    you had was solved by replacing the B-Vent. Because the B-vent
    was touching framing...
  27. Replies
    19
    Views
    2,906

    Fire Hazard My B-vent was packed tight with...

    Fire Hazard

    My B-vent was packed tight with cellulose insulation due to stupid
    insulation contractors putting in additional attic insulation. I openned
    the whole thing up and replaced it,...
  28. Replies
    37
    Views
    3,227

    Undersize trunk lines in comparison to the...

    Undersize trunk lines in comparison to the branches.
    In the East with your long 6 inch branches you don't see the issue as
    badly. But in AZ with the short and large branches the problem gets
    much...
  29. Replies
    37
    Views
    3,227

    Sorry for posting. I posted before I read all...

    Sorry for posting.

    I posted before I read all the posts and realized how nasty agostinid had gotten.

    But having lived in AZ I think I understand his issue. My house in AZ had
    a large trunk...
  30. Replies
    37
    Views
    3,227

    I have lived in AZ and have some comments But...

    I have lived in AZ and have some comments

    But you were out of line with Udarrel, if you read more than 3 posts on this
    board they all all talking about heat gain calculations the pro's call...
  31. Replies
    23
    Views
    5,605

    I'm a EE. If I did this I'd build my own stat...

    I'm a EE. If I did this I'd build my own stat from scratch.

    Though if you want to do it on a time of day basis I think git-to-run's
    suggestion is right, you just need a relay that switches from...
  32. Replies
    23
    Views
    5,605

    I was looking at it the other direction. That is...

    I was looking at it the other direction.
    That is if the temperature is cold out, locking out the
    first stage, and going straight to second.

    This is based on the concept, advanced by you and...
  33. Replies
    23
    Views
    5,605

    I'm impressed by Option 3 in concept at least....

    I'm impressed by Option 3 in concept at least.
    Others on this board have alledged that two stage units are less
    efficient in stage one than two. If they are right and a stage two cycle will
    not...
  34. Replies
    22
    Views
    1,579

    Andrew 5300 sq feet is a huge house. Even if...

    Andrew 5300 sq feet is a huge house.
    Even if you are in Texas. If you are in the NorthEast
    or California its an incredibly monstorous house.

    And you say your parents have a pool house and a ...
  35. Replies
    22
    Views
    1,579

    If he had a Phd in Physics the kid could be...

    If he had a Phd in Physics the kid could be right. However speaking as a guy
    with degrees in Engineering, and with some experience in fixing the mistakes of
    HVAC techs that nearly burnt my house...
  36. Replies
    24
    Views
    1,284

    The idea that the wire has to be made smaller is...

    The idea that the wire has to be made smaller is ridiculous.
    Dropping the breaker/ and fuse sizes to protect the equipment may
    be necessary. There is no upper constraint on the wire size, it
    just...
  37. A forty five degree temperature rise is perfectly...

    A forty five degree temperature rise is perfectly normal for
    a gas furnace. Heat pumps would be nothing like that.
  38. Replies
    51
    Views
    26,277

    I'm a EE. I have exercised great restraint. ...

    I'm a EE. I have exercised great restraint. I've kept myself from
    designing my own thermostat system with multiple selectable remote sensors.
    Even thought it drives me nuts that conventional...
  39. efficiency due to lower blower speed

    I've posted this here before.
    The official Berkeley labs study found that the only
    advantage of two stage furnaces was the reduced
    electricity use because of the lower blower speed.
    Exactly as...
  40. Huge toggle switch

    I've actually looked for such a switch, without sucess.

    Any idea where I might find one?

    I used to have some pretty weird stuff I'd concocted in homes I owned.

    Since I always had to...
  41. Lawyers are a lot more expensive than HVAC guys

    My rule is never sue anyone if its less than $10,000.
    I've eaten some bad stuff from contractors, but I'm convinced
    that's the smart thing to do.

    I'm sure you can have a smaller unit put in...
  42. Replies
    18
    Views
    1,874

    You are just scratching the surface

    See my thread

    http://www.hvac-talk.com/vbb/showthread.php?t=176768&highlight=conspiracy

    Funny I mention 2001 also. The reason for the computer going beserk
    in 2001 is because it had been...
  43. Replies
    27
    Views
    3,114

    DIY

    I don't think most DIY in general is to fix contractors mistakes,
    Most DIY that I do is done to fix contractor's mistakes.

    At this stage in my life I'm so busy and have enough money that
    I do...
  44. Replies
    7
    Views
    889

    Why is it unsafe

    I'm just a homeower (Electrical Engineer by training, but do software
    these days). And I don't do any big time wiring.

    But I guess I don't see why having a 60 amp 240 V box being protected
    by a...
  45. Replies
    27
    Views
    3,114

    I didn't cut the holes in the siding.

    The contractor I hired did. Who was rated highly on
    Angies List, but I will not name. He was pushing to sell
    me wall insulation in addition to the attic insulation I wanted.

    I was skeptical,...
  46. Replies
    27
    Views
    3,114

    Wall insulation

    When I added cellulose insulation to the attic a few years ago,
    I had them do a small section of wall as a test.

    It was not a success for two reasons. Number one they did a lousy
    job of...
  47. Replies
    27
    Views
    3,114

    Recovery

    For the first forty minutes or so is in second stage.
    Then when the supposed temperature gets within
    2 degrees of set, which for my case more like 3-4
    it goes down to first stage. I don't have...
  48. Replies
    27
    Views
    3,114

    2 stage furnace

    Been there,

    You had mentioned that on another thread, and that was
    a surprise to me. If what you say is true, that my two stage
    furnace is actually more efficient in the second stage, I hate
    my...
  49. Replies
    27
    Views
    3,114

    Design temperature

    A design temp of 29 sounds about right for San Jose.
    And it Never gets colder than that. But it often gets
    close to that. At least in th AM. By afternoon it
    will often be in the 60's even...
  50. Replies
    27
    Views
    3,114

    No Insulation

    My house was built in the 1960's a time when we were about
    to land on the moon. My grandfather's 1960's house had several
    hundred amps of electrical heating coils buried in the driveway to
    melt...
Results 1 to 50 of 84
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event