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  1. Replies
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    700

    Thanks for the suggestions. Ended up contacting...

    Thanks for the suggestions. Ended up contacting Ecobee and found out the answer is that the Ecobee control panel DOESN'T provide 24v to the humidifier. I hooked up the Honeywell transformer and it...
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    700

    Honeywell HE220A humidifier won't run

    I have a new home with geothermal furnace and Ecobee thermostat.

    I've installed a Honeywell HE220A humidifier and connected it to the Ecobee thermostat control center (pros actually did that)....
  3. IF the spreadsheet works correctly, for my data...

    IF the spreadsheet works correctly, for my data set the biggest driver of ground-source heat pump advantage over the long run is equipment longevity. If you assume 20 years for all of propane HE...
  4. So here are the worksheets I've developed to...

    So here are the worksheets I've developed to compare the long-term costs of different systems.

    https://docs.google.com/spreadsheet/ccc?key=0Ao5X6ubxV_b8dGI1SXNXWmpMN196eVJQb013TlBrRGc

    The...
  5. Updated my calculations to weight the average...

    Updated my calculations to weight the average daily COP by degree days to reflect the fact that there will be more heating required on the days that there is the lowest COP.

    Weighted average COP...
  6. Made some progress on understanding the...

    Made some progress on understanding the cold-weather air source heat pump efficiency.

    I got this info from Mitsubishi:

    http://img545.imageshack.us/img545/9378/zubacentralcop.jpg

    Then I:
    ...
  7. THANKS! I think I am on the right track but had...

    THANKS! I think I am on the right track but had been using kWh rather than BTU's. I've got a conversion factor for kWh -> BTU/h so I can make that change.

    And I am working on shining up my...
  8. I was hoping my question about system costs was...

    I was hoping my question about system costs was general enough to not violate the rules, but sorry if it wasn't!

    Unfortunately I find most of the info put out by heating vendors either simplistic,...
  9. I am going to be building a new home in Kingston...

    I am going to be building a new home in Kingston Ontario in a year and don't have access to natural gas. So my choices are:

    Electric
    Propane
    Ground source heat pump (I have lots of land for...
  10. I am no where near the blueprint stage. I am...

    I am no where near the blueprint stage. I am trying to understand what design accommodations I have to consider because of my situation. I will end up using a good HVAC contractor but I think I am...
  11. Sorry. I thought my location was in my signature....

    Sorry. I thought my location was in my signature. It is Kingston Ontario so the attic won't work. Thanks for your suggestion.
  12. Thanks. I'd figured out that I would need a...

    Thanks. I'd figured out that I would need a utility room. I just wasn't sure if there was a normal way to do the HVAC in the floor that I wasn't aware of (being an accountant and not an HVAC guy).
  13. Building a house with no basement (or crawl space) - HVAC options and recommendations

    I am going to be building in a few years. The property has bedrock near the surface, so we won't have a basement. While we could run our HVAC under the floor, I'm concerned about it being cooled from...
  14. Nice idea. Thanks.

    Nice idea. Thanks.
  15. Any use for a used furnace in good working order?

    Due to the high gov't rebates/grants and some other reasons I am replacing my 16 year old Carrier Weathermaker (92% AFUE). It is working just fine and it seems like there should be a better use for...
  16. Thanks. There was some logic to his statement,...

    Thanks. There was some logic to his statement, but I do recognize he is in the business of selling and thought I should seek some other opinions here.

    Thanks for sharing your knowledge! This...
  17. Thanks for the info. We only need the humidifier...

    Thanks for the info. We only need the humidifier in the winter and I'll have the furnace fan running continuously (albeit at the low stage).

    I guess I'll give it a try with the by-pass version...
  18. Power Humidifier required on a 2 stage furnace?

    I have a bypass humidifier with a pad (drip style, not drum). I am replacing my current 1-stage furnace with a Lennox G61V two-stage. I just had a quoting contractor said that my humidifier will not...
  19. Replies
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    Thanks John. The Heat gain/loss report has...

    Thanks John.

    The Heat gain/loss report has info on the area of our home, volume, "air changes/hour", and "Equiv. AVF (cfm)".

    The consultant did classify our home as "sheltered" which is...
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    In the Infiltration section, it used the "F280"...

    In the Infiltration section, it used the "F280" method and the calc used a construction method of "Tight". This is consistent with the auditor's comments, but for the "F280" method is that as precise...
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    Thanks. Just had an energy audit yesterday and...

    Thanks. Just had an energy audit yesterday and when the guy ran the air leakage test he immediately said "wow, is your house ever tight!".

    His only recommendation in terms of infiltration was...
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    I'm planning on a 2-stage. I am only going to be...

    I'm planning on a 2-stage. I am only going to be in the home for 5 years so it doesn't make sense for me to shell out for a modulating furnace (but I will probably check the cost differential!)
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    I am doing a replacement furnace and AC. The...

    I am doing a replacement furnace and AC. The report says "Printout certified by HRAI to meet all requirements of CAN/CSA-F280-M90"

    The consultant's company is HVAC Delineation. Based out of...
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    Just got this feedback from my consultant

    "It's acceptable for the output of unit to be up to 140% of the heat loss. You would still be in that range with a 80000 btu furnace."

    For me, 140% of 57000 = 80,000. So I guess if I went up to a...
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    Heat gain/loss report and Furnace sizing

    I received my Heat gain/loss report and it indicates a heating equipment load of 57,019. FYI I am in Kitchener Ontario.

    If a furnace has 60K input and 95 AFUE, its output would be 57,000, right? ...
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