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  1. My 2C

    OP:

    I'm gonna skip the religion and the debate and give you the net: Go dual fuel. Upgrading to a HP adds about $500 (a generic number, YMMV) and simply saves you money and give you much more...
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    Cd: Maybe shut it off if you can till you get...

    Cd:

    Maybe shut it off if you can till you get some good advice? I've got a Sanyo Mini split HP in computer room and the outside unit is awfull darn quiet. Its only run in heat mode at test and...
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    90% exhaust - Can this be right?

    Howdy all, long time no talk. Hope all are well...

    I just bought a new-to-me house. It's got an old Heil NUGK furnace sitting in a garage corner that looks hooked up correctly, and the house...
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    Thank you. However, low is already on the heat...

    Thank you. However, low is already on the heat side (this thing has a terminal that interfaces fan speeds to calling condition). I could parallel the low speed wire to both terminals easy enough. ...
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    Rats. I simply HATE soundling like an idiot, and...

    Rats. I simply HATE soundling like an idiot, and here I hafta do it.

    Uh.. Aruddick, what is "heat of rejection", and how is it measured? I oh so foolishly assumed that the plenum delta told me...
  6. :eek: I... uh... I ah, well... see, ugh.. ah.. ...

    :eek:
    I... uh... I ah, well... see, ugh.. ah..

    What do you know, I'm without words. I suppose I'll simply let the quotes speak for themselves...
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    Some of that will be near to impossible to get,...

    Some of that will be near to impossible to get, but I'll try/be insistent. meanwhile:

    Yes. In an attempt to not chatter too much I'd outlined the compressor change side of all this in another...
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    Mr: Loonie sir: 13 seer, 2 ton Rheem. 13AJA....

    Mr: Loonie sir:

    13 seer, 2 ton Rheem. 13AJA.

    I'm probably not reading the specs right, but Rheem specs show almost all condensors for that call for 800 cfm, some smaller. Only two call for...
  9. Always hated people that bought cheap on the...

    Always hated people that bought cheap on the "won't be mine someday" train of thought. Glad the OP ain't one of them.....

    Pacific: Props to you. And so-

    Won't bore with lots of details, but...
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    Hey Boldloonie. Mod huh? I don't remember that...

    Hey Boldloonie. Mod huh? I don't remember that from over the years I've been coming and going. Thanks for the time committment to helping this board. A great forum.

    I've got his A/c specs at...
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    Sorry guys, been away gathering data. The...

    Sorry guys, been away gathering data. The dealers tech is a good guy fairly smart (they ain't all), and willing to splain what he's doing and exchange thoughts.

    Some more information before I...
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    Rheem 90RJ Fan Speed Change

    My folks have a home new to them that is having humidity problems. Running around 60%.. Long standing lung problems etc.. already in play, I need to get the humidity down.

    It seems easy...
  13. Tough call. Water use patterns come into play...

    Tough call. Water use patterns come into play here. Use it all at one time vs heavy off and on. one favors big tank plenty of reserver, the other favors fast recovery, (so small tank)

    electric...
  14. Bo: I don't know nothin, so treat all this...

    Bo:

    I don't know nothin, so treat all this with caution. AND be aware this site has a disdain for DIY, and while I don't know that you're trying same (on a geo? Geez you'd be brave), I do know...
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    Geez I love this forum. While I come and go a...

    Geez I love this forum. While I come and go a bit, I've been learning for 3 years now. Thanks guys..

    Thank you again Tecman. And I just noticed the high loop flow. He had to shut the loop...
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    Any guesses what they call this thing?

    Any guesses what they call this thing?
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    Thank you Paul. 70-75 max inlet loop temp. Not...

    Thank you Paul. 70-75 max inlet loop temp. Not good. I don't remember the exact temp @ this moment, but I think it was an something like 80 in, 89 out.

    Manifold.. Hm... the loops aren't in...
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    Waterfurnace model Huh?

    I HAD a waterfurnace E060. 5 ton dual stage variable speed unit installed 3 years ago. The bristol died (And I think I'm happy), and I'm told waterfurnace has thrown in the towel and is converting...
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    Geo Loop Problem?

    As my 3rd year as a Geo owner comes to close, all is not well in Geo land. I'll break my questions into a few threads, but at root I need to now question if I've a good install or not. And thereby...
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    My Carrier Comfort Zone II is exactly that, and I...

    My Carrier Comfort Zone II is exactly that, and I love it. Its ability to dynamically adjust the dampers based on zone heat and and recovery speed allows it to tune the dampers to allow a very...
  21. It would seem the larger pre-heat tank you have...

    It would seem the larger pre-heat tank you have the better. More ability/store to convert cheap BTU to hot water

    I'm 3200' finished, Illinois, on a 5 ton waterfurnace. Not as tight or well...
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    Find Balance point from BTU load?

    If I know how what OT my geo unit hold on stage 1 heat (15f) is there a way to determine the balance point on stage 2?
  23. newer data: Furnace doghouse airleaks fixed...

    newer data:

    Furnace doghouse airleaks fixed
    Even w/42RH reported no frost on windows.. wonder what that means?
    SW2-5 turned back on. Turns out it permanently shuts off DW. Not good.

    Time ....
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    mross: Look around at some of my posts from last...

    mross: Look around at some of my posts from last winter about stack affect. Some pretty sharp folks, Mark among them I recall, chimed in.

    20% Rh suggest your house is pretty drafty I think.
    ...
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    I don't know the allowable variance, but don't...

    I don't know the allowable variance, but don't regulators have pressure adjust? I know I was a tad undersized on a unit and the solution was to tweak the pressure up a bit. I doubt it made lots of...
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    If you can, do what Dash says. I let an...

    If you can, do what Dash says. I let an installer install my Geo unit the way he "always does" and I've two cold rooms.

    For post install fixes about all you can do is tighten the room, insulate...
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    DW in a Geo Unit. Is it a heat store?

    Conventional wisdom from Waterfurnace says my DW is equal to about 9k btu. Sadly, if I turn off Aux heat my DW goes with it. So until I figure that out I'm keeping Aux around.

    last season I'd...
  28. Thanks for the look-see fire. Unless somebody...

    Thanks for the look-see fire. Unless somebody chimes in to the contrary I won't even test it further.
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    uh-oh. SW2-5 to on (shuts off aux heat) seems...

    uh-oh. SW2-5 to on (shuts off aux heat) seems to tiurn of DW all the time.

    Not so good. Geocomfort thought it would only be off during calls for aux heat.

    RATS! another plan gone to hell....
  30. Geothermal Setback Impractical - A Proof for Discussion

    The question to be discussed:

    *Can a Geo HP based heating plant be set back enough to create a worthy annual financial savings?

    The punchline: The answer appears to be “It ain’t worth the...
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    I'm not so sure it makes sense. Most gas units...

    I'm not so sure it makes sense. Most gas units have lots of recovery capability, and it's not like they're all that expensive to run. You sure it's making financial sense to run a heat pump for...
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    John: by which you mane you're finishing the...

    John:

    by which you mane you're finishing the basement yourself right? You're going to have the zoning, ducting changes, and etc. done by an hvac dealer right? (if any is needed)

    Because of...
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    Ira: You'd have to re-read all 3 of my posts...

    Ira:

    You'd have to re-read all 3 of my posts to get it. There was perhaps a touch of hidden humor in it. Maybe I was a bit too subtle with the "clueless" routine.

    Or should I say "Gosh, you...
  34. OK. Thanks dan. Anybody else care to comment...

    OK. Thanks dan.

    Anybody else care to comment on how I might be able (WITHIN HVAC-CALC) to assign different "R" values to different window shade treatments?
  35. Howdy P. Hope all goes well. I've been...

    Howdy P. Hope all goes well.

    I've been working on tightening up the house in trying to make my home more efficient. My last months electric bill of $400 about made me cry.

    I've made what I...
  36. Yes, they are. Maybe I wasn't clear. How is the...

    Yes, they are. Maybe I wasn't clear. How is the "R" value of the shade set, what is assumed "R" value of the shades that exist, or what is some other way of assigning a "R" value to the shades?
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    2.5 ton can cool from 100 to 68, but can't heat...

    2.5 ton can cool from 100 to 68, but can't heat from 35f to 70f? Well, that's about 35 degrees either way and on 1300 sq feet. I missed that.

    hm.. insulations is insulation, BTU's are BTU's,...
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    2.5 ton can cool from 100 to 68, but can't heat...

    2.5 ton can cool from 100 to 68, but can't heat from 35f to 70f? Well, that's about 35 degrees either way and on 1300 sq feet. I missed that.

    hm.. insulations is insulation, BTU's are BTU's,...
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    See, I warned you I was just a poor HO. I...

    See, I warned you I was just a poor HO.

    I got confused just after the place you mentioned your neighors are doing it too and before where you say the HVAC co. checked it out. It was the part...
  40. Ah, not a HVAC-calc user. That explains it. But...

    Ah, not a HVAC-calc user. That explains it. But anyway, double pane.

    See, in hvac calc ( the issue at hand) there appears to be no way to enter in the parameters you mention. A simple interface...
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    Did I mention personal beliefs/religion? I...

    Did I mention personal beliefs/religion?

    I should have.
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    ablib: 1) I'm a homeowner. Feel free to...

    ablib:

    1) I'm a homeowner. Feel free to disregard what I say here.
    2) You ain't gonna like some of what I tell you...
    3) More information would help, but I'm going to make some assumptions...
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    Zone. kids bedroom =1 master = 1 rest main...

    Zone. kids bedroom =1
    master = 1
    rest main floor =1

    either an alternate unit of another zone for the bonus room, BUT get LOTS of airflow to bonus room and use nothing less then cellulose for...
  44. CEM-BSEE: You would be one of the few to think...

    CEM-BSEE:

    You would be one of the few to think that. But I appreciate the thought anyway.

    Dan sw:

    I hate to be dense, but I don't see how that tells me the ratings for the existing shade...
  45. 2.5 year old GeoComfort (Waterfurnace) E060 (5...

    2.5 year old GeoComfort (Waterfurnace) E060 (5 ton) w/5 vertical loops. Illinois


    Hm... As efficient as I'd hoped? By and large, although I think the newer units are better. I'd sure like a...
  46. Thread: Humor Test

    by danf58
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    Wow, talk about flunking the humor test. But...

    Wow, talk about flunking the humor test. But then with a sense of humor like that I'm betting he won't be finding out much about the pregnant women....


    Moving on, Sprint has done well. I must...
  47. HVAC Calc - Window Work Around, cement, ec..)

    I'm considering re-buying HVAC-Calc ( I bought it some time ago w/the 2 month version as I built my house). This time to consider insulation and ac/h tightening implications to load. But, it's not...
  48. So lets extend the "womens dictionary" a bit and...

    So lets extend the "womens dictionary" a bit and see what we learn. Here are some I've learned:

    Honey, do you want a XX?..........I wrecked the car

    Are you hungry?........................I'm...
  49. more then one way to skin a cat. gas furnaces...

    more then one way to skin a cat. gas furnaces used to have an adjustable hi limite switch and an adjustable pressure rate to the burner. you can have the gas turned up so that it's closer to the...
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    I used a 90 downturn off mine w/a small stub...

    I used a 90 downturn off mine w/a small stub pointing down. short of a humming bird I don't know anything that could get in there. Dryer vents, in general, would be childs play for a bird, but the...
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