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Type: Posts; User: jirocpa

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  1. Replies
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    783

    Flex plenum line options

    Hi all, my question is regarding how the previous homeowners contractor installed our CAC system. All the end registers are run by 6" flex, and a secondary plenum is supplied by a 14" flex line which...
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    609

    Another followup

    I plan to avoid cellulose just in case I wanted to add or remove ceiling fixtures, I didn't want to deal with the loose stuff.

    So, sticking with batts or rolls, I have another question for you...
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    Thanks! One follow up question

    I wasn't sure which way to go, and certainly adding new over old is a little cheaper and a lot less costly in terms of time, dust in my lungs, removal and disposal.
    Lastly, if r-11, r-13 and r-15...
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    Attic re-insulation

    Does insulation lose it's insulating properties over time?
    Is it better to remove old fiberglass insulation and then lay new, or just lay new over old?
  5. Replies
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    12,902

    Just to stick two cents in: My mother had this...

    Just to stick two cents in:
    My mother had this problem for years after moving into her new house in Tampa. It got into her clothes, furniture, bedding, towels, etc. She had the rugs replaced, walls...
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    I don't have the specific model #, but it's a...

    I don't have the specific model #, but it's a GSW/John Wood 50 gal gas heater. I downloaded the installation/maintenance manual but nowhere does it mention or show (in the diagrams) any type of...
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    So is it worth the expense to have one...

    So is it worth the expense to have one retrofitted into the cold water pipe?
    Should it be copper? Is flex line not permanent enough?
    Should it be a "U" shape, or will a circular loop work?
    ...
  8. Replies
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    1,931

    Also, there's no galvanized nipple. Just 3/4"...

    Also, there's no galvanized nipple. Just 3/4" copper straight down into the heater.
  9. Replies
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    No, both the hot and cold sides are 3/4" copper....

    No, both the hot and cold sides are 3/4" copper. On the cold side, the pipe is warm 5 feet or so up the pipe. By warm I mean it's comfortable to the touch. Not as cold as the line coming in from the...
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    1,931

    My gas water heater is 5 years old, and I would...

    My gas water heater is 5 years old, and I would like to know if there is any way to tell if it has a heat trap built into it to stop thermosyphoning. My cold water line does not have any trap built...
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    Does anyone know much about these whole-house...

    Does anyone know much about these whole-house humidifiers for forced hot air systems? Are they any good? Is there a better, more reliable and/or efficient humidifier out there?
    Thanks!
  12. Replies
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    I live on Long Island, NY and have a central a/c,...

    I live on Long Island, NY and have a central a/c, forced hot air system. The problem is that it's so dry in the winter months.
    Can someone recommend a quality humidifier system that will keep the...
  13. Replies
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    pecmsg - on the filters: well, I didn't know...

    pecmsg - on the filters: well, I didn't know better.
    Everyone else-post away, it's an open forum. As long as we all take some useful info away from this, I don't mind.

    I do believe I need to add...
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    Reply to fl1

    I believe came up with his figures by taking some measurements and performing calculations on the cfm's. I didn't see him use any specific test equipment.
    All supply and return ducts are 18x8. Part...
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    The house was built/system was installed 4 years...

    The house was built/system was installed 4 years ago. Problem of not enough cfm to the farthest upstairs rooms has always been there, but I didn't think the issue was this major. I was told I should...
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    I've been told that my 3 ton system needs another...

    I've been told that my 3 ton system needs another return for my first floor, either 18x8 or 14" round. The 3-ton unit is in the basement, so I only need to run about 25 feet of duct. I need to add a...
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