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Type: Posts; User: visoredge

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  1. What is more important? AFUE rating or Variable speed blower, 2 stage?

    What is the most important factor for energy use cost and comfort for a natural gas furnace?

    80 vs 95 AFUE
    single vs variable speed blower?
    1 or 2 stage?
  2. I think the HVAC guy is definitely recommending...

    I think the HVAC guy is definitely recommending 2, would appreciate any pros/cons on the brands
  3. Carrier/Bryant Vs Day & Nite 95% efficiency furnace comparisons?

    Hi
    we are going to install 2 furnaces in our house, and our HVAC guy is saying that a Carrier Infinity ICS model costs $ more than the 92% efficiency model, so he is going to get us quotes on...
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    HI, I think that is right, brick chimney on...

    HI, I think that is right, brick chimney on outside and all
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    Proper way to run gas line into fireplace?

    We bought a 1950s house and the prior owner installed his own gas line so that he could start a fire to get a wood fire going. He drilled thru the bottom of the firebox to run the line instead of...
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    I'm assuming the electronic components of the...

    I'm assuming the electronic components of the furnace are ok sitting at relatively high temps in the attic then? I think efficiency wise, I would not be running the furnace unless it is say <60...
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    Install Furnace in Attic or Crawl Space ?

    We are remodeling a 1950s home with a beast of a furnace in the basement/crawlspace area (pretty good space down there)
    THe home is about 3300 sq feet in Northern California, we dont get super cold...
  8. It's a one story house, with furnace underneath...

    It's a one story house, with furnace underneath the crawl space.
    For the 2 furnace system, he recommended re-routing some of the existing ductwork to the 2 furnaces, but didn't talk really about...
  9. any suggestions on SF bay area companies that are...

    any suggestions on SF bay area companies that are reputable?
  10. neither... One guy tapped a few numbers for...

    neither...
    One guy tapped a few numbers for about 45 seconds into his iphone, but he didnt walk thru the house either...
    the other guy (who recommended 2), walked around and checked things more...
  11. Insights on replacing a 1950s 250,000BTU furnace? with one or two?

    We bought a 1950s home with the original beast of a furnace. It says 250,000 BTU and output of 200,000 BTU, 3100Sq foot home. Yes, it works!

    I had a couple people out to look at it (waiting for...
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    thanks for all the replies.. Guess I gotta do it...

    thanks for all the replies..
    Guess I gotta do it myself =( if I want to be sure it's done well...

    Besides the 6 mil clear plastic stuff, any one have other suggestions on what to use?

    BTW, we...
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    i read that the regular old 6mil plastic you find...

    i read that the regular old 6mil plastic you find @ hardware stores is notoriously inconsistent in terms of durability and toughness, and to use a heavy duty vapor barrier instead.. any recs on a...
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    Hello, To help dehumidfy my crawl space and...

    Hello,

    To help dehumidfy my crawl space and eliminate moisture, and a damp smell from my crawl space, I'm considering putting in a vapor barrier.

    Who does this?
    Is this a general contractor or...
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    Sorry. for all the confusion! . I mean inside...

    Sorry. for all the confusion!
    .
    I mean inside the HOME =(

    Can someone explain how ventilation in the home would help?

    B/c If i have the heat off, there's no real airflow, but I figure if the...
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    Hello, I have some windows which when it's...

    Hello,

    I have some windows which when it's cold outside get condensation on the inside.
    They are double paned windows, but I thought they were supposed to prevent condensation...

    What do I...
  17. It's an older 1940-1950s house... The bottom is...

    It's an older 1940-1950s house...
    The bottom is dirt, not covered in plastic, it would be a serious B*tch to cover it... with so many pipes and wires running around, and it's only about 18" high in...
  18. Thanks for the replies, In terms of cost, how...

    Thanks for the replies,
    In terms of cost, how much is the cost for sheetmetal ducts vs. flex duct?

    Thanks
  19. Hello, Thinking about replacing all my ducts...

    Hello,
    Thinking about replacing all my ducts (old steel ducts, that are rusted), with new flexduct, and taking out all the ducts in my crawlspace.

    1. What questions do I need to ask a contractor...
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    Hello How does one dehumidify a crawl space?...

    Hello

    How does one dehumidify a crawl space?
    Is it something you install down there, that pumps the water out to your downspout drains..?

    Is this something that is automatically set to turn on...
  21. THANKS for the diagram!!! Basically the Stack...

    THANKS for the diagram!!!

    Basically the Stack effect should only lead to problems if there is a connection between my ducts and the crawl space air then?

    IF the ducts were 100% sealed, there...
  22. Hello, I'm going to have an HVAC service guy...

    Hello,

    I'm going to have an HVAC service guy coming over to check some problems out using my Home Warranty...
    With all the HW horror stories out there, jsut wondering if any reputable HVAC pros...
  23. Hey thanks everyone.... Teddy bear: can you...

    Hey thanks everyone....

    Teddy bear: can you explain the "stack effect"

    So, is this a "normal" occurence and I have to clean up the crawlspace, or should this NOT be happening at all if the...
  24. Oopps... We have a crawl space, non insulated,...

    Oopps...
    We have a crawl space, non insulated, and it's really a true CRAWL space, not very tall at all, and the duct work is prob 40+ years old
  25. Hello, I noticed that if I'm not using my...

    Hello,

    I noticed that if I'm not using my heating, that I can feel cool (and somewhat stagnant) air coming up thru the registers.
    I decided to block them by covering up the registers with cloth...
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