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  1. Replies
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    LP boiler would be a great choice

    I would just be concerned about running piping into an attic to feed an air handler.
    Since your gonna need to feed piping (probably PEX tubing ) up to the 2nd floor., I would look into running ...
  2. Replies
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    An outside exhust

    will cause a negative air pressure condition and draw in cold or hot outside air into the rest of the house.

    Throwing hot air into a furnace return might help your heating bill in the winter, but...
  3. Replies
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    2,487

    trouble down the road

    Pain to replace. And roof leaks will be an issue. for 1500 sq feet, 2 mini splits should do a nice job.
  4. Replies
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    Didi you ever mention your electic rate

    I thin you just made a big mistake with electric tankless. Using electric is the last
    resort energy source for a cabin out in the woods where getting oil or propane trucked in is a pain or too...
  5. Instead of wasting money on all these dangerous...

    Instead of wasting money on all these dangerous space heaters. Get the fan coil fixed. The landlord would probably prefer to fix the unit then allow you to burn the whole bulding down.
    As a...
  6. Replies
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    1,718

    Maybe a side venting condenser

    I put mine under a deck.
  7. I guess you have steam

    I think you're crazy to loose that for hot air. Spend the money on insulation. Tune up the boiler to max efficency. Save on just getting a split AC system with attic duct work.
  8. Replies
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    I agree

    If you plan on remodeling and adding insulation, etc. I would do that first. Why get a bigger boiler then you need? Where's your oil tank? Think about the cost of removing or abandoning an...
  9. your contractor must be a radiant expert

    Heat loss calculations must be made to exactly know how much tubing will be needed (hopefully there's enough room) to cover the heat loss without overheating the floor. Very important to know what...
  10. Temp variations with the NuHeat

    The hydronic floor warming will always be at a different temp then the NuHeat.
    I'd shut off the Nuheat and tube the whole area under the tile floor. I would have a timer in the winter months to...
  11. Replies
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    868

    You should get an efficency rating when the...

    You should get an efficency rating when the boiler is tuned up. Is this a steam boiler?
    How big a house? What type of radiators? You can get 40 years+ out of those old 600lb cast iron mosters,...
  12. I agree on the floor

    Probably part of the same slab as the garage. I would use a poly foam based
    padding and put comercial carpeting over it. Or put sleepers down, insulate, then put 3/4 plywood and tile over that. ...
  13. Replies
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    if it's truely condensing

    you have it set up for cold start correct? I don't see an issue. Better for the boiler to run all year. You'll probably need at least an 80 gal indirect. Or look at getting an ergo max or other...
  14. Replies
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    Anyone can rattle off

    efficency numbers off a brand's literature, but show me a duct systems that's really
    98% efficent. Doubtful. Let's not forget to compare the electrical use of an air handler
    blower compared to a...
  15. Replies
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    Boilers yes

    No hot air in Europe, Get a thermopride if going hot air oil. I would go hydro-air.
  16. Replies
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    But

    if the loop is too large, and the last section doesn't get warm, then spliting could help. If you're changing the layout or use of the rooms, splitting could make it more comfortable as each aone...
  17. Replies
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    856

    I would price out

    a single zoned AC system with the boiler and indirect HWH with panel rads or high end baseboard. Where's the second 90+ furnace gonna go? In the attic? Not recommended.
  18. Replies
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    856

    If you want comfort

    Leave the ducts for AC. Panel rads for heating.
  19. I think

    the units are in series, the 2nd unit might not be used too frequently. 12 cents sounds high to me, but if the system comes on infrequently........
    I assume when the concrete mass starts to cool,...
  20. Replies
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    1,042

    also check

    www.mysoninc.com

    They have some fan coils that could be cost effective to heat the kitchen
    if you don't have the wall space.
  21. Must help keep radiant costs down

    I guess you have cheap electric rates. Some building codes don't allow equipment thats not rated as heating equipment to be used. I guess as long as the output can match the heat loss you're good....
  22. Replies
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    647

    High end homes use hydronic heating

    Sounds like a high end house, I wouldn't want 5 exhausts vents comming out all over the place. Many gas lines too. A mod-con boiler can ramp up as demand increases from multiple zones. The air...
  23. Replies
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    1,551

    what makes your domestic hot water?

    Maybe ditch the HW heater and get an indirect or put a buffer tank on it.
    Might eat any money you thought you were gonna save on the used boiler.
  24. Replies
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    1,551

    a five minute burn isn't too bad

    I'd see if the differential can be set wider . Let the water temp drop 15 or 20 degrees before firing again. You might need a new aquastat as the basic ones have a fixed 10 degree drop before...
  25. Replies
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    765

    Dont waste your money on a high end

    boiler. Spending all that money for when you're NOT there is crazy. Too fancy a boiler might trip out and now you have a frozen home. Get a small low mass boiler that you can cold start Burnham LE,...
  26. Replies
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    5,083

    the block replacement

    is the best way to go unless you want to drop many more grand for just a
    percentage point or 2 of performance gain. You might never re-coup the upgrade cost. Make sure the boiler is tuned...
  27. Replies
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    500

    are you sure you dont have a furnace?

    Never heard of an air heat exchanger hooked up to a boiler? You have radiators, baeboard, or warm air vents?
  28. Replies
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    1,432

    combo WH's

    have 10 year warranties, so I don't think manufacturers want them failing every 3 years.
    Pricer then a WH yes, but cheaper then a boiler. You're probably gonna replace WH's every 15 years or so...
  29. Replies
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    You can combine

    Probably save you energy over the year as one heat source is producing both heat and hot water. But you will need a goog deal of storage of domestic hot water for the load requirements of 5...
  30. A boiler

    can also be hooked up to an indirect tank to make your domestic hot water, used for radiant flooring, heat your pool in the summer. The closet config will
    probably help you avoid using anti-freeze....
  31. If you're replacing both units

    and keeping the air handler in the closet, I would suggest looking into getting a
    boiler for the basement and putting hydro coils in each air handler. Just having a heating coil and a coil for AC...
  32. Replies
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    If the WH's are over 10 years old, I'd just get...

    If the WH's are over 10 years old, I'd just get Bradford White combicore combo heat/hot water
    tanks.
  33. Replies
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    1,432

    I would check

    the capacity of the chimney. Can you vent 3 WH and 3 boilers? Might be better to drop the WH's and get combo units, or boilers with indirect tanks. You could put a combo wall hung in each...
  34. Replies
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    411

    some brands

    might use double wall "exhaust pipe inside of intake" stainless, so you get zero clearance, but all of the high end units still need power for the electronic ignition and thermostat and blower.
  35. Replies
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    How is domestic hot water being provided?

    If each unit has it's own HW heater, maybe a combo with a heat exchanger to heat a hot water loop of baseboard or a hydro-coil. Should be easy if the HW heater is inside each apartment. Even...
  36. Replies
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    497

    The S2000 is OK

    I just think at that high price, you're only getting a basic Beckett burner and a glass lined storage tank. The domestic water is getting heated with a flat plate heat exchanger.
    Some people had...
  37. Replies
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    497

    You mean LE-1 right?

    Are you not including an indirect tank? I looked at the same 2 systems
    and the EK was much higher in price. So for the same money, I got a Phase III Stainless steel indirect, Tekmar 260, and...
  38. Replies
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    go with anti-freeze. Crazy to remove the boiler....

    go with anti-freeze. Crazy to remove the boiler. Sounds like it gets cold enough that you still might need it. Are you sure you 're gonna save with the HP and electric strip? If your duct work is...
  39. Replies
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    if you had an A/C duct system

    running the fans would help move air around. Maybe you could use an interior non bearing wall stud partition as a return plenum. Issue here is there's usually headers and the subfloor between...
  40. Replies
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    Is there any kind of closet

    on the first floor that could be used as a return plenum. As said, with all the
    vents in the ceiling and the starwell allowing hot air to rise, cool air must be given a place to return.
  41. why have 2 heat sources

    when the boiler can do it all. Just upgrade the boiler.
  42. Replies
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    1,042

    for a kitchen

    with little wall space. You could get a fan coil. A small wall mounted radiator with a built in fan, similar to the kick board heater. I would stay away from putting piping into an attic that was...
  43. Replies
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    1,803

    didn't think columbia made gas boilers

    unless it's a oil model with a gas burner on it. New Yorker and Crown are owned by Burnham. Biggest thing to check is if the chimney is OK or will probably need to be lined. Might be better to to...
  44. Replies
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    before the tagaki

    You must of had a real gas boiler in there capable of making 180 degree water.
    Flow is restricted through an instant water heater. You might need a higher capacity pump on the loop now. Does...
  45. Replies
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    There's not enough info

    but I assume each floor is a zone. You might want to have the thermostat moved to the
    master bedroom and have the the vents re-balanced. You might have dampers in the attic that could be adjusted. ...
  46. Thread: thru wall fans?

    by johnsp
    Replies
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    413

    Agreed

    Get addition AC from a PTAC or mini-split. why screw up a balanced system that already works for the rest of the house.
  47. Replies
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    There are a lot of pluses in going hydro-air

    But it won't be cheap. Tying the ductwork together will screw up the balance of the system and you still can only push so much air with one air handler. You could get the boiler /air handler for...
  48. Replies
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    I think the big energy difference

    is in comparing the power needed for a blower vs a circulator pump.
  49. Replies
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    1,187

    you mention single story

    but mention second floor bedrooms. How will you do radiant there?
    I suggest just using radiant panels all through the house and just put radiant under the kitchen flooring. Much easier to pipe....
  50. Replies
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    1,878

    quetside is junk

    made in Korea. Good luck getting pats.
    Get a heat lose calc done. 150K, 175K? You should size the boiler properly.

    I would suggest an indirect like the ErgoMax if you plan solar. It has 4...
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