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  1. Replies
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    How many BTUs of output were your two old oil...

    How many BTUs of output were your two old oil furnaces?

    Your Zuba represents roughly 40,000 BTU of output. That should mean that if you have a 40,000 BTU heat loss, it should run all day on the...
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    Our Zuba has been working like a dream, no...

    Our Zuba has been working like a dream, no problems yet.

    I'm not sure precisely how the heat anticipation works on the new digital Honeywell thermostats, but that could have something to do with...
  3. Replies
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    12,128

    Here in Canada, this comes as a package product...

    Here in Canada, this comes as a package product directly from MITS. I went with the 'Package 3', Honeywell VisionPro Thermostat with a 7.5 kW Electric resistance heater kit built into the Air...
  4. Replies
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    12,128

    [QUOTE=acsolutionsllc;12435611] How do you...

    How do you mean? There is no need for a balance point calculation with a 1.8 heat pump COP vs. the 1.0 COP of electricity. 1.8>1.0.

    The heat loss matches the heat output of the unit. On a...
  5. Replies
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    12,128

    This is technically a 'P' Series commercial...

    This is technically a 'P' Series commercial Mitsubishi condensing unit. It is rated to operate down to -40C (-40F).
  6. Replies
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    12,128

    28A needing a 30A breaker for Condensing unit,...

    28A needing a 30A breaker for Condensing unit, and 2.7A needing a 15A breaker for Air Handler.
  7. Replies
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    They married the Mitsubishi Mr Slim Condenser to...

    They married the Mitsubishi Mr Slim Condenser to a North American ECM air handler with an Evap coil. The system is designed so it can be retro'd into existing sheet metal systems.
  8. Replies
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    12,128

    I know I'm going to get it now. :) ...

    I know I'm going to get it now. :)

    http://i1126.photobucket.com/albums/l616/brennus1/Zuba/IMG_0265.jpg

    http://i1126.photobucket.com/albums/l616/brennus1/Zuba/IMG_0266.jpg
    ...
  9. Replies
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    Working great actually, with a HUGE impact on the...

    Working great actually, with a HUGE impact on the power bill so far.

    I actually did spray foam the inside and siliconed the outside, no rats getting in there. I'm going back soon, I'll try to...
  10. Replies
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    12,128

    New Zuba Central Install

    This is the Canadian Zuba Central Air-to-Air heat pump made by Mitsubishi Electric. Its based off the same technology as City Multi, and can heat with COPs over 1.0 at -30C (-22F). The design day...
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    Sure any horizontal install is cheaper than...

    Sure any horizontal install is cheaper than vertical.

    We have a lot of rocky soil here in Ontario and soil conditions are often difficult for geo installs. This could have been why we were...
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    The arguement behind avoiding slinkies was that...

    The arguement behind avoiding slinkies was that pipe spacing is very critical on that kind of loop, and you have to be much more careful how you install them when compared to a standard horizontal...
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    I just went to a dealer training on loop sizing...

    I just went to a dealer training on loop sizing and installation, and they said that slinky loops are mostly pointless, and you'd be saving a lot of time, money, and effort by just installing either...
  14. I haven't seen any literature or dealer...

    I haven't seen any literature or dealer representation supporting Whalen for residential, but I have dealt with them extensively in condo suite applications, and they seem to never break down. Kind...
  15. This thread has sold me on WF customer service.

    This thread has sold me on WF customer service.
  16. Replies
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    I'd say add full dampers to the ductwork let it...

    I'd say add full dampers to the ductwork let it double as a balancing lab
  17. Replies
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    40,603

    I'd say hire a proficient, knowlegeable installer...

    I'd say hire a proficient, knowlegeable installer regardless.
  18. Replies
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    Not the techniques manual, but useful...

    Not the techniques manual, but useful
  19. Replies
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    Would be awesome if there was an online...

    Would be awesome if there was an online calculator for comparing the Zuba to anything. In my opinion, it is the single best resi air-air heat pump on the market at the moment, and the comparitive...
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    We do have cold incoming water here, 70 degree...

    We do have cold incoming water here, 70 degree delta usually. I usually recommend people install the largest size unit as possible to offset the GPM decrease with the big delta. I haven't tried to...
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    40,603

    Navien is a big player up here in Ontario in...

    Navien is a big player up here in Ontario in terms of tankless water heaters, but I don't hear anyone on here even talking about Naviens. They make the most efficient unit on the market as of right...
  22. In Canada, in Ontario, most furnaces and air...

    In Canada, in Ontario, most furnaces and air handlers are located in heated basements, making drain water freezing a non-issue. I'd say filling your trap with antifreeze after the cooling season is...
  23. Replies
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    Heat pumps deliver lower supply air temperatures...

    Heat pumps deliver lower supply air temperatures than gas furnaces. Your temperature readings show that your air is inceasing in temperature, you just have to get used to the air coming out of the...
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    I have installed many of the Trane flow-through...

    I have installed many of the Trane flow-through bypass humidifiers. They drain away water instead of letting it stand like the old rotary-drum style. This is a very good thing because I've seen some...
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    Normally you size the Heat Pump for cooling, so...

    Normally you size the Heat Pump for cooling, so yes if the contractors are recommending a 2 ton A/C, you'd install a 2 ton Heat Pump.
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