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  1. Poll: you'd be surprised. Depending where you live it...

    you'd be surprised. Depending where you live it can get near freezing for 4 months out of the year. Sure, it's not Minnesota but the heat is on 4-5 months out of the year.
  2. Poll: Fully Modulating Gas Furnace- Worth it or not?

    Fully Modulating Gas Furnace- Worth it or is getting a variable speed dual stage enough?
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    This is the way I was leaning. Since the...

    This is the way I was leaning. Since the upstairs heat is not really an issue, I care more about A/C on the second floor. Thanks everyone for your responses, super helpful!
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    yes this is true, but my understading is that the...

    yes this is true, but my understading is that the furnace can run on an existing 110v, while the airhandler is going to need 220v which doesn't exist in the attic right now, which is why i am curious...
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    220V or Nat Gas line - what's harder?

    Trying to decide between airhandler & heat pump VS. gas furnace & a/c condenser, set up.
    Old 1920's home no nat gas lines in attic or 220V. Need heat and A/C in second story of 2 story home. What...
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    Nat Gas is cheapest here and almost exclusively...

    Nat Gas is cheapest here and almost exclusively used in southern california to heat homes, electricity is expensive.
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    The doors in the 4 bedrooms upstairs all have 1.5...

    The doors in the 4 bedrooms upstairs all have 1.5 inch gaps on the bottom of the doors. There are currently supplies in each rooms but there are no returns up there. DO I absolutely need returns on...
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    If I go with the 2 system approach. Is it better...

    If I go with the 2 system approach. Is it better to go with:
    1: gas Furnace downstairs, and go with Gas furnace upstairs/with split system condenser.
    2. Gas furnace downstairs and air handler with...
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    Keep in mind the first floor does have returns. ...

    Keep in mind the first floor does have returns. It's the second floor that would run exterior returns.
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    Since the house is nearly 100 years old, and...

    Since the house is nearly 100 years old, and currently only has heat. The current registers were bult for a gravity furance so they are at the base of the walls, not on floors or ceilings, like most...
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    One concern with the two system approach, is that...

    One concern with the two system approach, is that I don't have a gas line or 220 volt electricity in the attic, is this going to substantially increase the cost of putting a furnace in the attic? ...
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    beenthere, thank you for your responses, super...

    beenthere, thank you for your responses, super helpful. I have had 8 estimates and the thought of spending 5 figures on this is making me a little tenitive. I just want to get this right. In a two...
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    Yes several people did load calculations, but...

    Yes several people did load calculations, but people are all over the map because I can't decide if I should
    1:Put a furnace in the basement AND the attic and have each system running independant...
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    Retuns on outside of home?

    Newbie question.

    Is there any issue with putting A/C return lines outside (exposed) from the basement to the upstairs? Aside from the aesthetics is it bad to do this since the furnace is in the...
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    Since I have lived in this home for 30 years, I'm...

    Since I have lived in this home for 30 years, I'm not concerned with resale value. I live in a very mild part of the country but for 1 or 2 months out of the year you need A/C. You need heat for...
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    I dont think I explained myself clearly. since...

    I dont think I explained myself clearly. since it doesn't get that hot downstairs I was thinking of putting A/C upstairs only, in
    scenario 1:
    4ton 80,000 BTU 95 AFUE heat down stairs
    4ton...
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    Better Trane Set Up?

    3500sq foot residential in Los Angeles, needs A/C and heat unit, which is the better set up?
    1 month of cooling, 4 months of heating.
    here are the configurations I have been suggested.

    1....
  18. you may be right... I just put a 4 foot box up...

    you may be right... I just put a 4 foot box up there and it looks horrible.
  19. Configuration in Hollywood,CA Split vs Packaged

    Large 4000sq foot residence in Hollywood, CA, needs A/C and heat unit, which is the better set up for the 2nd floor
    1500 Sq feet livable space, 1 month of cooling, 4 months of heating.
    here are...
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