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  1. Thread: We Got A Good Deal

    by amd
    Replies
    6
    Views
    1,378

    Do you have to know anything about airflow or...

    Do you have to know anything about airflow or duct sizing in NY get licensed?
  2. Replies
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    3,548

    All I know is that carrier doesn't make their...

    All I know is that carrier doesn't make their secondaries like that any more; its stainless finned now, just like others.
  3. Replies
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    3,548

    Carrier is obligated to pay for labour if the...

    Carrier is obligated to pay for labour if the secondary exchanger fails - there was a law suite.

    Not changing it is great for carrier; they don't have to own up to putting out a defective...
  4. Replies
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    3,548

    These furnaces seem to be very solid and well...

    These furnaces seem to be very solid and well built. Why aren't you guys just changing the heat exchangers?

    Are the secondaries rotting out or the primaries cracking. i know they had issues with...
  5. what do i care, if i'm dead i'm dead. good...

    what do i care, if i'm dead i'm dead. good riddance.

    Besides, the cold ground will always accept mine, as will the earth worms and all the other parasites needed for decomposition.

    prefer...
  6. Why isn't this thread behind closed doors where...

    Why isn't this thread behind closed doors where it belongs? ARP or something?

    religious fundamentalism stinks; there 'ought to be a huge warning label on all religious texts stating "not to be...
  7. Heatpumps don't have the capacity to recover from...

    Heatpumps don't have the capacity to recover from setbacks to my knowledge.

    Also, i think that if a heatpump is set back at night and recovers in the morning when it's colder outside, the bill...
  8. How would i know a guy who i never met who was...

    How would i know a guy who i never met who was nailed to a cross a couple thousand years ago?

    sorry, not a christian. guess i'm going to hell.
  9. Never heard of it until now, looked them up -...

    Never heard of it until now, looked them up - seem to produce tiny furnaces starting at 15k btu input.

    Only heard of olsen and clare as canadian manufacturers.
  10. Replies
    40
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    1,886

    It's a piece of crap. When you setup the...

    It's a piece of crap.

    When you setup the profile it asks you have you want to share all your information and the novice user would just overlook everything. It's like using facebook where they...
  11. out of interest? ------------------------ this...

    out of interest?
    ------------------------
    this case put icg/keeprite on the map: http://www.brantfordexpositor.ca/2014/05/23/14m-keeprite-class-action-settlement-reached
  12. The american manufacturers seem to be no more...

    The american manufacturers seem to be no more here.
  13. Residential hvac manufacturing north of the boarder...

    Just out of curiosity, did a lot of residential hvac manufacturing go on in canada before free trade came in?

    Here in ontario i just know of a closed keeprite plant in brantfort and seen lennox...
  14. What's the problem exactly? 4 supplies is...

    What's the problem exactly?

    4 supplies is fine, 1 per ton, it's a good rule.
  15. Replies
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    1,560

    I suspect that having private insurance and...

    I suspect that having private insurance and profit driven care drives up the cost. When you have people paying out of pocket for at least basic care (except for those who can't) or even government...
  16. Replies
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    1,560

    ...so you've actually seen a reduction in costs?

    ...so you've actually seen a reduction in costs?
  17. Replies
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    1,560

    that sucks; if i remember correctly you aren't...

    that sucks; if i remember correctly you aren't even that old.

    do you have any issues getting the insurance company to cover cover everything in not dispute charges? Heard bad things about that,...
  18. Why two mid efficiency furnaces? Was the capacity...

    Why two mid efficiency furnaces? Was the capacity actually needed?

    Why not install one large 95%+ 2 stage and zone the supply ducts? Better efficiency, probably similar cost.
  19. Replies
    0
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    557

    HVAC calc duct sizing questions.

    I've been playing with the hvac-calc trial.

    It's capable of generating room by room cfm reports; however, there doesn't seem to be control over heating cfm relative to cooling cfm.

    The program...
  20. Replies
    14
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    4,284

    ^The road to hell i paved with good intentions. ...

    ^The road to hell i paved with good intentions.

    Maybe they should focus on other things for gw like the actual burning of oil and gas.

    If a r22 machine isn't leaking, it's best to just keep it...
  21. Replies
    53
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    2,767

    When coils have nominal tonnage ratings, it's for...

    When coils have nominal tonnage ratings, it's for 13 seer matches to my knowledge. Get a 14-15 seer and the indoor nominal tonnage could be 1/2 to a full ton above the condenser.

    Get 16-18+ seer...
  22. Replies
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    2,767

    i don't think ac systems have to engineered if...

    i don't think ac systems have to engineered if there's an existing duct system, just properly sized and commissioned.

    350-500 cfm per ton depending on the application, then proper charge?
  23. Replies
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    5,529

    Nice until the repair costs come. What would...

    Nice until the repair costs come.

    What would one of those controller boards cost?
  24. Replies
    14
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    4,284

    Are you saying you can't run existing r22...

    Are you saying you can't run existing r22 equipment in sweden? If yes, that's pretty messed up, especially with having to change out working machines. Manufacturing new stuff destroys the earth too.
  25. Replies
    0
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    318

    john michael greer - false promises

    https://www.youtube.com/watch?v=hkwjTa3Wdn4
  26. Replies
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    700

    Don't even think about it! Attic systems are...

    Don't even think about it! Attic systems are inefficient as hell for obvious reasons.

    Mini-splits were invented for a reason.
  27. Replies
    7
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    542

    Goodman gsx13 and 14 compressors

    qiuck and simple question out of curiosity:

    goodman used to advertize thier 13-14 seer models as coming copeland scrolls exlusively.

    now online it just says "energy efficient compressor."
    ...
  28. Replies
    6
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    797

    The north american consumer...

    Behold:
  29. Replies
    37
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    2,957

    I forgot to mention that it's a tad bit...

    I forgot to mention that it's a tad bit underfired according to the gas meter, so the house is heating at design with maybe 34-35k. Small house, insulated but not well (nothing in the basement) and...
  30. Replies
    37
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    2,957

    Two-stage stat still helps even when oversized. ...

    Two-stage stat still helps even when oversized.

    Where i am:

    60k btu furnace, 39k on low.

    Runs 8-12 minutes at a time in typical winter weather below freezing, 40-60 minutes below -20c/-4f.
    ...
  31. Replies
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    2,957

    I've seen it happen, but only in extreme cold....

    I've seen it happen, but only in extreme cold. (below design)

    Plus, i've seen operation on low fire for much longer than the short time delay.

    Bad contractors have no business installing high...
  32. Replies
    37
    Views
    2,957

    Most furnaces are oversized and low fire is...

    Most furnaces are oversized and low fire is sufficient.

    Two stage furnace with a two-stage stat can run for hours on low, shifting to high and back down as needed.

    Two-stage is for comfort, not...
  33. Replies
    3
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    915

    No one has access to this info?

    No one has access to this info?
  34. Replies
    3
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    915

    Old keeprite units information, pre-1994

    This question is just out of curiosity since i've seen a lot of these units still in use:

    Does anyone have info (like seer ratings, literature, when they went into production or anything else) on...
  35. Replies
    1
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    1,271

    hvac charlges - nsfw, bad langauge

    https://www.youtube.com/watch?v=V8JvRKq_mc4
  36. Thread: A/C Leak Sealants

    by amd
    Replies
    14
    Views
    2,784

    Don't the newer sealants (like this -...

    Don't the newer sealants (like this - http://www.cliplight.com/hvacr/chemical-tools/super-seal-total/) have some moisture neutralizing chemical in them.
  37. Replies
    10
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    1,725

    You need to damper off the vents that are getting...

    You need to damper off the vents that are getting a lot of airflow.

    Be careful though - closing too many vents can cause problems with the equipment.
  38. Replies
    10
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    1,725

    You can put two thermostats in parallel on one...

    You can put two thermostats in parallel on one system, but I don't recommend it:

    You need to balance the system - partially close off the vents in the kids rooms.

    You could also try a...
  39. ..................................delete this...

    ..................................delete this post.
  40. While we're on the topic of old units does anyone...

    While we're on the topic of old units does anyone have any info or literature (spec sheets, seer ratings, service manuals) on the older keeprite condensers? Before keeprite of bought out and really...
  41. Were there two different refrigeration circuits...

    Were there two different refrigeration circuits or was it just like a stage?
  42. ...

    ...
  43. Old heatpumps in ontario canada and other cold climates

    I came across these ads in an old ottawa newspaper:

    556361

    It seemed like carrier (...and maybe other manufacturers) was really pushing heatpumps in the late 70s and early 80s here. Must have...
  44. Replies
    12
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    1,449

    Check the pilot orifice - maybe its plugged

    Check the pilot orifice - maybe its plugged
  45. Replies
    12
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    3,780

    120k input, 95% is HUGE for 3500 sq ft house...

    120k input, 95% is HUGE for 3500 sq ft house unless it's leaky as hell and/or the exterior walls have no insulation. Could be one or two sizes too large.
  46. Thread: Rooftop unit coils

    by amd
    Replies
    5
    Views
    1,069

    Thanks

    Thanks
  47. Thread: Rooftop unit coils

    by amd
    Replies
    5
    Views
    1,069

    Is it possible to adapt a commercial opening...

    Is it possible to adapt a commercial opening (existing is a 20+ year old york sunline) to a residential cabinet?

    Can you get an economizer and stainless steel heat exchanger in a residential...
  48. Thread: Rooftop unit coils

    by amd
    Replies
    5
    Views
    1,069

    Rooftop unit coils

    Does anyone still make a 3-5 ton rooftop without micro channel coils?

    Everything I've seen listed is microchannel.
  49. The purpose of ventilation is to purge the...

    The purpose of ventilation is to purge the moisture and heat from the attic that leaks in from the house. (excess moisture condenses on cold surfaces and heat melts the snow and causes ice dams)
    ...
  50. Replies
    7
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    1,059

    I'll believe it when I see it.

    I'll believe it when I see it.
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