electric furnace no duct work
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  1. #1
    Join Date
    Sep 2012
    Posts
    9

    electric furnace no duct work

    I mounted a Coleman electric furnace in the basement of my camp to keep my pipes from freezing in
    the winter if the mini-split can't maintain 50 degrees.I am not using any ductwork as the basement is just one large area.
    Is there any thing I should do as far as setting the fan speed? Do I need to create static pressure because there is no ductwork?
    Any tips to optimizing this simple set up would be welcomed.

  2. #2
    Join Date
    Apr 2006
    Location
    Barrie Ontario
    Posts
    318
    With no plenum isnt the strips exposed

  3. #3
    Join Date
    Sep 2012
    Posts
    9
    Quote Originally Posted by turkey View Post
    With no plenum isnt the strips exposed
    Yes ,but they are 8ft. off the floor.I will add expanded metal to keep idiots out.

  4. #4
    Join Date
    Sep 2012
    Posts
    9
    This is model Eb17b coleman furnace made for a house trailer.

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,699
    Its not approved for horizontal installation.
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    How many times must one fix something before it is fixed?

  6. #6
    Join Date
    Sep 2012
    Posts
    9
    I changed the mounting so it is now a downflow unit .Is there anything else I should know?

  7. #7
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by bobsat View Post
    Yes ,but they are 8ft. off the floor.I will add expanded metal to keep idiots out.
    How are you going to roast marshmallows at camp now?

  8. #8
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,699
    I would probably run a trunk or make an ell to direct the air to the far end, so as to have a slightly better temp distribution.
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    How many times must one fix something before it is fixed?

  9. #9
    Join Date
    Sep 2012
    Posts
    9
    Thanks for your reply.

  10. #10
    Join Date
    Jan 2009
    Location
    Keokuk, IA
    Posts
    5,520
    Just curous, but for freeze protection, why not use something simplier, cheaper and with less moving parts like baseboard heaters or a wall mounted electric unit heater? You don;t need much if any airflwo just for freeze protection.

  11. #11
    Join Date
    Sep 2012
    Posts
    9
    I only paid $150 for the furnace.Trying to keep the first floor, 896 sq. ft.,10 ft ceilings, poured concrete and the 2nd floor,stick built,which is very well insulated from freezing.I figured I need 40k btus.The first floor is in a flood zone so trying to keep every thing down there as high as possible.

  12. #12
    Join Date
    Jan 2009
    Location
    Keokuk, IA
    Posts
    5,520
    Where are you at location wise? For just freeze protection, you BTU requirements can be roughly 1/2 that of comfort heating. You only need to keep it 35-40F. If most of that is a basement, where the ground temps are above 40F, then now it takes even less. You probably only need 10k BTU's. I just ran adjsuted the number for the basic laod calculation in my home and at 3500sqft and a lot of windows, it would only need 50k BTU's for freeze protection of 2 floors and a basement.

    ... but $150 is pretty cheap.

  13. #13
    Join Date
    Sep 2012
    Posts
    9
    I am in central Pennsylvania.None of it is basement(underground).The first floor is poured concrete(8" thick R value about .8 to 2)The 2nd floor is 2x6 walls,no insulation between 1st and 2nd floor to allow heat from first floor to go to the 2nd floor.Electric furnace is in 1st floor.I understand what you are telling me needing less btu's to protect against freeze.The furnace presented itself and I went that direction.Thank's for your replies I appreciate the help as HVAC is not my forte.

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