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  1. 10SEER unit almost at end of life, what to replace with

    Currently rocking an 11 yr old American Standard 10SEER outdoor unit. The indoor coil is an Armstrong 10SEER at least 13 yrs old. The system is currently 3 tons. The furnace was replaced in 1999...
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    Actually, mostly in the runtimes. It felt like...

    Actually, mostly in the runtimes. It felt like an awfully long time that the dehum was running to get to set point. They could maintain it, but dropping 5% RH (which was when the dehum would kick...
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    I went with the Santa Fe mainly because I wanted...

    I went with the Santa Fe mainly because I wanted a dehum I know could keep the basement dry (walmart, home depot, etc models struggled to keep up even though the basement isnt "wet" and were very...
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    I actually have a standalone dehum in the...

    I actually have a standalone dehum in the basement already along with a condensate pump for it and its hooked into a humidistat. it would have been nice to do away with it if the Fujitsu unit would...
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    You're probably right. My main goal of the...

    You're probably right. My main goal of the mini-split is heat (I dont even need the AC side, except possibly for dehum)

    Pints/hr moisture removal becomes less important, but still comparing...
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    Hmm, did not know that. Found something...

    Hmm, did not know that.

    Found something interesting though: there is a "3rd party wire kit" that is listed as an accessory, and one of the suggested uses is "Humidistat: turns system on/off based...
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    Thanks for the info. The dehum comments have...

    Thanks for the info.

    The dehum comments have me a little confused.....there is a specific dehum setting on the unit, the manuals make it seem like it works just like a dehum at that point, but I...
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    Mini-split equipment question

    Im looking to get a mini-split heat pump installed for basement heating. Looking at the units themselves, I had a couple questions.

    Ive narrowed it down to a Mits Mr Slim vs Fujitsu Halcyon.
    ...
  9. So fixing the ductwork now is feasible, in that...

    So fixing the ductwork now is feasible, in that it will be in place for new equipment whenever it happens?

    Might be better on the wallet to do each piece separately as well, not sure though.
  10. Pretty sure mine suffers from not enough air...

    Pretty sure mine suffers from not enough air flow. I can get the sizes of the ductwork, but I believe I mentioned them on here before and was told they are likely too small.

    The furnace itself is...
  11. Thanks for the advice so far. I ran my house...

    Thanks for the advice so far.

    I ran my house thru the demo of HVAC-Calc but I dont think I can change the design temps (inside or outside). From the results it looks like my current furnace is...
  12. Fix ductwork now or wait for new equipment?

    I currently have a 10 yr old Oneida/Royal oil furnace. I get annual maintenance on it, so Im guessing its not going to die anytime soon.

    My issue is with my ductwork. Its most likely...
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    You know I meant to ask about running the fan...

    You know I meant to ask about running the fan continuous. My current zone panel/setup does not allow for this (its an old Honeywell zone system with a "master control" that allows heat/cool/fan, but...
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    Thanks for the additional replies. In the...

    Thanks for the additional replies.

    In the spring I plan on pulling down the "soffit" underneath the cantilevered MBR and drilling a hole or two to see if I can see any insulation. I have a...
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    Not really, yet. Currently adding some more...

    Not really, yet.

    Currently adding some more insulation. In the process, I found a few decent size ceiling penetrations (installed ceiling fans and forgot to seal up the holes around the boxes). ...
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    Not yet. While I dont know the exact results, I...

    Not yet. While I dont know the exact results, I do know it will show that the first floor (and possibly both floors) supply ducts are undersized. And since the ducts are built in the center of the...
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    Will try that, need to get one of those...

    Will try that, need to get one of those meat-thermometer-like thermometers so I can clip it right onto the supply register.

    I was also wondering if its possible the 1st floor being open to the...
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    When I sealed the branches, I actually removed...

    When I sealed the branches, I actually removed the flex lines completely so I could seal the "starter collars" that came off the trunk. Sealed the collars to the trunk, slathered mastic on the part...
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    All good suggestions :) I just prefer not having...

    All good suggestions :) I just prefer not having to walk around my house in a wool sweater.

    Both zones are on programmable t-stats, so thats not an issue. I might add more insulation to the...
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    OK another symptom.... Air coming thru the...

    OK another symptom....

    Air coming thru the ducts with the system completely off. I can feel a small amount of cold (presumably outdoor or attic) air coming thru each supply in the upstairs zone,...
  21. Thread: This sunday

    by chrisexv6
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    I think its more of a baseball-like...

    I think its more of a baseball-like mentality....if you are pummelling your opponent, pull some of your starters (its good for your starters, and it doesnt make it seem like you are rubbing it in to...
  22. Thread: This sunday

    by chrisexv6
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    Lots of talk about the possiblity of head-hunting...

    Lots of talk about the possiblity of head-hunting the Pats for "disrespectin" last week witha huge lead and going for it on 4th down.

    Think the Colts are gonna cash in on that contract? Im kinda...
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    There is no new equipment (earlier in the thread...

    There is no new equipment (earlier in the thread I mentioned our current equipment has plenty of life left on it, so an equipment replacement would be a waste right now.....in regards to getting rid...
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    I actually bought new t-stats a couple seasons...

    I actually bought new t-stats a couple seasons ago for just that reason.....they are now Robertshaw t-stats with an adjustable differential. I have it set to .5 degrees.

    -Chris
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    Heh, yet one more thing I forgot to mention :) ...

    Heh, yet one more thing I forgot to mention :) We have an Aprilaire 600 mounted on the return side, using cold water feed. I have it set in Auto mode, and usually end up leaving it in the middle of...
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    The attic ductwork is insulated from the inside. ...

    The attic ductwork is insulated from the inside. I also have pink fiberglass loosely covering it (that was added before I found out the inside of the ductwork was already insulated).

    This problem...
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    First floor open to finished side of basement. ...

    First floor open to finished side of basement. We recently had a deck removed and a patio put in its place, which has "opened up" one of the windows in the finished side. It now gets more sun...
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    Mid to Late 20's. Oddly enough it started...

    Mid to Late 20's.

    Oddly enough it started right around the time I got married, and started to accelerate around the time we had our first kid.

    My wife still says its not her fault.....I point...
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    Basement is 800 sq ft, half finished half...

    Basement is 800 sq ft, half finished half unfinished. Each side has one supply register (not nearly enough for the areas, but I think the intention was just to keep it bearable). The unfinished...
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    You know I forgot to mention windows :) They...

    You know I forgot to mention windows :)

    They were replaced 2 years ago with triple pane double Low E coated models. The frames are steel reinforced vinyl, so there is very little (if anything at...
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    House feels cold.....

    I think some of this is an HVAC issue, so I figured Id ask the experts here :) Plus I know a lot of people know good building science on here.

    Forced hot air, 2 zone setup. Living floor and...
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    Well thats a little comforting to hear. We...

    Well thats a little comforting to hear. We always keep it maintained, I just didnt realize relocating it might cause such big problems. Im not sure if I would have had it done if they told us this...
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    1. Unit is 6 years old 2. Dont know, wasnt...

    1. Unit is 6 years old
    2. Dont know, wasnt here when it was disconnected (wife was, but I doubt "recovery machine" means anything to her)
    3. Dont know.....didnt watch him braze it
    4. I didnt...
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    Relocating condensor unit.....

    Recently had our condensor unit removed and then relocated (for a patio install).

    HVAC co did a nice job, and my wallet sure paid for that nice job :) but what is scary is what the tech said right...
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    Yeah that seems to be whats going on. Although...

    Yeah that seems to be whats going on. Although the Santa Fe does kick in every now and then, it doesnt stay running for very long, and the basement air (hygrometer sitting on the bar) is staying at...
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    Yeah I just talked to Santa Fe and they said...

    Yeah I just talked to Santa Fe and they said basically the same thing.

    I have a hygrometer on the finished side of my basement, with the Santa Fe on the unfinished side (other side of the wall). ...
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    Santa Fe dehum help.....

    Just got my Santa Fe basement dehum (the 100 pint/day model).

    I had it running for about 2 hours, but noticed no condensate coming out. The only thing I can think of is that its a little cool in...
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    Whats the noise level of the Advance compared to...

    Whats the noise level of the Advance compared to the Santa Fe and RX?

    I like the Advance because I can plop it on our bar countertop for now and eventually move to its resting place, makes for...
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    Thanks for the info. I noticed that the Rx has...

    Thanks for the info.

    I noticed that the Rx has less pints/kW, Im guessing because of the noise reduction stuff.

    Im stuck between those two........the Rx for quiet/built in pump, or the non-RX...
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    Do you advise professional install of the unit? ...

    Do you advise professional install of the unit? Or can I at least run it standalone for a while and eventually have it linked up to the duct work?

    Didnt want to pay to have it installed only to...
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    Will do. Have the dehum going (will buy...

    Will do.

    Have the dehum going (will buy another this afternoon), a 20" circulating fan and a 300 cfm "utlility blower" moving air thru/under the subfloor (I have hvac registers cut out for access...
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    Any smaller Santa Fe dehums?

    Looking for a good dehum for my basement. The basement is only 800 sq ft, and the part Im concerned with dehumidifying is only half of that (400 sq ft). I noticed the Santa Fe only comes in models...
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    The basement is actually normally quite nice and...

    The basement is actually normally quite nice and dry. I have a DriCore subfloor with carpet over it, so in the case of a little extra water we dont lose the carpet. The subfloor came in very handy...
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    Air purifier for a basement.....

    Judging from the level of marketing speak Ive found on lots of Air purifier, I get the feeling they might not work like they say :)

    I'm just looking for something to help with a mildew smell. We...
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    Yep, Aprilaire 600 (in Automatic mode). I know...

    Yep, Aprilaire 600 (in Automatic mode).

    I know its working, and I know the house got a lot better when we had the new windows installed, because I can hear it cycle on *and off*. Before the new...
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    Thanks for the great replies. Ive read the...

    Thanks for the great replies.

    Ive read the negatives of sealing ducts (mostly about if the unsealed ducts are allowing the system to work correctly, and sealing them makes it hard on the...
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    Duct sealing worth it?

    Recently had a blower door test performed on my home. The results were somewhat expected, but also interesting at the same time.

    Most of the issues seemed to lie with our ductwork/duct chases. ...
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    Thanks for the info. Our electric company just...

    Thanks for the info.

    Our electric company just announced their plans for a cost increase.......not a normal 3 or 4%, we're talking 38%!!!!! Thats why I kinda go turned off my electric baseboard...
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    Had a couple places come out to quote me on...

    Had a couple places come out to quote me on adding heat to my basement.....23'x17' finished area.

    The quotes were fine and all, but no one mentioned possibly making this part a 3rd zone (already...
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    Im actually curious.......if the A-coil sits...

    Im actually curious.......if the A-coil sits above the heat exchanger, and the air is blown from the bottom up (I have an upflow furnace), why/how does the air actually go thru the coil, instead of...
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