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  1. Replies
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    354

    Op cost comparison help

    Hi,

    I am looking for suggestions on how to determine op cost comparisons between gas heat/single phase AC, gas heat/three phase AC, single phase HP, three phase HP, and geothermal. This comes up...
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    29,694
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    Poll: hey best wishes to you and your loved ones, FCS....

    hey best wishes to you and your loved ones, FCS. We are all gunning for you.
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    2,126

    The entire 58UVB line has been obsoleted. It was...

    The entire 58UVB line has been obsoleted. It was a dedicated upflow model which qualified for the 95% AFUE tax credit, which is now expired.

    The closest version of that furnace is the 58MVB,...
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    2,126

    The 58UVB is an obsolete model, and he wants to...

    The 58UVB is an obsolete model, and he wants to replace your 60,000 btu furnace with an 80,000 one. It's very likely the contractor has the obsolete 58UVB080 in his stock and is looking to get rid of...
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    I've seen heat tape kits for the condensate trap...

    I've seen heat tape kits for the condensate trap to keep it from freezing. I'd be curious to know if anyone has experience with these.
  6. I went to some training at the Rehau factory and...

    I went to some training at the Rehau factory and disticntly remember them discussing this.

    They showed thermal imaging from radiant job sites with and without under slab insulation. It was...
  7. The "N" in CNPVP4824ATA designates an "N" coil,...

    The "N" in CNPVP4824ATA designates an "N" coil, otherwise it would be an "A".

    good luck with your decision.
  8. but that variable speed sure is nice!

    but that variable speed sure is nice!
  9. Unlike a used automobile, you will not be able to...

    Unlike a used automobile, you will not be able to "trade in" the slightly used 80% furnace. I understand your desire to upgrade and believe that will be money well spent.

    You MAY be able to find...
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    spartus, You may not get a lot of response to...

    spartus,

    You may not get a lot of response to this one, as it is your very first post, and you didn't list any of your credentials in your profile or post.

    Most members will read a post like...
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    Totaline part numbers: P909-0001 = R22 locking...

    Totaline part numbers:

    P909-0001 = R22 locking cap

    P909-0003 = removal key
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    1,643

    have you guys seen this: ...

    have you guys seen this:

    http://www.themackrack.com/index.html
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    While you are waiting for dash's reply, let me...

    While you are waiting for dash's reply, let me add that I believe the only way that offer is valid is if the equipment was installed by a Factory Authorized Carrier Dealer.

    Regardless, please give...
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    bertsrun, please have your contractor install a...

    bertsrun, please have your contractor install a new thermostat for your dual fuel system, the thermostat you currently have is NOT compatible.

    to properly read a wiring diagram, you have to also...
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    has anyone used the "Kool Lids" advertised in the...

    has anyone used the "Kool Lids" advertised in the trade magazines? I am curious to get some feedback on these, it seems like a simple yet brilliant design.
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    bertsrun, The TSTAT you have is antiquated and...

    bertsrun,

    The TSTAT you have is antiquated and not dual fuel compatible. The aux/em heat options you mention are to bring on electric strip heat in case the heat pump is out of commission or can...
  17. Thread: rule of thumb

    by mlrman
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    1,124

    here's the thing with rule of thumb sizing.... ...

    here's the thing with rule of thumb sizing....

    2 tons of cooling may be right for a particular 1000 square foot home in a Northern region of the country, but does that mean 2 tons of cooling will...
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    the 58MVP120 requires a 2-pipe install using 3"...

    the 58MVP120 requires a 2-pipe install using 3" PVC. only the new MVB model allows single pipe.

    your furnace also requires a full bottom return or two side returns.

    you are definitely entitled...
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    I agree this is at the distributor level. ...

    I agree this is at the distributor level.

    Carrier warranties are being processed online now, and there is virtually no waiting period for approval. Of course, this is assuming the warranty...
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    thanks for clarifying that doc! that is what I...

    thanks for clarifying that doc!

    that is what I meant. I should have typed it is "carrier's" only model that achieves the 18 SEER
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    blubby, as these gentlemen have said, that is...

    blubby,

    as these gentlemen have said, that is a fine systme being offered to you even though it is 2005 product.

    The HVAC industry has a minimum air conditioning efficiency rating that was just...
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    just to follow up for others wanting to do this:...

    just to follow up for others wanting to do this:

    the only way we found to run the central dehumidifier in conjunction with the Infinity System was to power the dehumidifier through its own 120...
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    Thanks for the replies... Why the need for a...

    Thanks for the replies...

    Why the need for a central dehumidifier with an Infinity system, which does a fantastic job of wringing moisture out of the air?? Good question.

    This particular house...
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    This is a new one to me....one of my dealers has...

    This is a new one to me....one of my dealers has a customer with a complete Infinity System (MVP, TDB, Infinity control). He is very happy with the system, but wants to run a whole house...
  25. Thread: Cigarette Smoke

    by mlrman
    Replies
    2
    Views
    734

    You may want to try an odor neutralizer in the...

    You may want to try an odor neutralizer in the duct work. Your HVAC contractor can supply you with a tub of Totalfresh or similar product that is placed in a return or other area of the central duct...
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