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  1. Replies
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    would you mind explaining why. I am a journeymen...

    would you mind explaining why. I am a journeymen red seal instrumentation/controls tech with almost 20 years experience in oil and gas. Having said this I have never installed a HP before but alot of...
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    7
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    398

    Where can I find information on these...

    Where can I find information on these calculations, if I do this myself I want it to be correct. Also, would this only need to be considered if you are getting close to the max overall length stated...
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    Line set lengths?

    When manufactures state max line set lengths, how are they measured. Is the supply and return lines to the inside AH's added together to are they measured as a set. In other words if I have a...
  4. Thanks Dan. Just wondering, is a basement...

    Thanks Dan. Just wondering, is a basement included in your calc?
  5. The more i look at my basement the more I think...

    The more i look at my basement the more I think that ductwork is just not going to work. Maybe it will have to be a ductless HP system. Do anyone have experience with the Mitsubishi S series...
  6. I'm sure it is worth the money but I have a...

    I'm sure it is worth the money but I have a contractor coming in a week, said he was going to do load calc so i will wait to see what he says first. If he seems amature I will do my own. Thanks for...
  7. Software looks good however the trial dont...

    Software looks good however the trial dont generate many reports, guess they want money first. Wish i would have know this before taking an hour to enter all my data.
  8. What size HP will work for me - general opinions

    As mentioned in another thread I am thinking about converting from my current oil fired boiler using basboard rads over to a HP solution. I originally started out looking for a solution to keep my...
  9. Guys, am I better off just keeping my current...

    Guys, am I better off just keeping my current boiler and doing the ductless system (mini split).

    If so what are the pro's and cons.

    I think I would need about 7 inside air handlers to have...
  10. Sounds like an intersting controller however I am...

    Sounds like an intersting controller however I am looking for more of a life long solution. Thanks for mentioning it though, didn't know they existed.
  11. If I were to go with all new ducting and...

    If I were to go with all new ducting and registers, how small can the main trunk be made. The reason I ask is that my bacement is developed with dropped ceiling and I have about 3 1/2" between the...
  12. I dont have AC however I do have an air exchanger...

    I dont have AC however I do have an air exchanger with ducting ran to every space. Could this unit be replaced somehow with an air to air heatpump and use that ducting. the ducting is not the metal...
  13. Home heating conversion - hot water oil boiler to air to water heatpump

    Hello,

    I am playing with the idea of converting/modifing my current heating system which is a NY thermal oil fired hot water boiler with baseboard radiators over to something more efficient. I was...
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