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  1. Replies
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    Actually what I was saying is that once an...

    Actually what I was saying is that once an installation moves beyond cookie cutter then costs skyrocket. The problem is that anything that isn't absolutely plug and play will almost certainly...
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    I think if you check my posts you will see that I...

    I think if you check my posts you will see that I am talking about exactly that. My installation is two heat pumps each with its own reverse cycle chiller...from Aqua Products.

    BTW I'd like to...
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    Yep still around. Glad you found the advice...

    Yep still around. Glad you found the advice useful. BTW I am an engineer.

    The "problem" is as you note that determining the lowest cost system is quite simple, IF you just run the numbers. Of...
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    Your analysis for the cost of funds, pre vs post...

    Your analysis for the cost of funds, pre vs post tax etc is all sound unfortunately that is the easy part to figure. But you've assumed is a $400/mo savings and that isn't at all clear.

    Remember...
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    The easiest way to tell is to look at the curves....

    The easiest way to tell is to look at the curves. You can find these on their website by navigating to Literature and Manuals then clicking the top link and then on 5th link from the top. Scroll...
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    It looks like Lifebreath has two sets of numbers...

    It looks like Lifebreath has two sets of numbers for power consumption.

    I remember a spec sheet listing 17 watts on low but I can't find it this morning and the only one I find when I go to their...
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    They must have some sort of engineering problem...

    They must have some sort of engineering problem since there are lots of ECM based air handlers that seem to work just fine. I can't imagine what it would be in the motor. Maybe the small fan has it...
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    Just to be clear I wasn't suggesting gaskets such...

    Just to be clear I wasn't suggesting gaskets such as those added aftermarket behind the plate. I was talking about using boxes with integrated gaskets on them. Totally different animal. These are...
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    I actually used a slight variant called Simple...

    I actually used a slight variant called Simple Caulk and Seal but it is very close to ADA. There are some excellent guides online to both of these methods and I highly recommend them to anyone...
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    Stopping leaks on anything but new construction...

    Stopping leaks on anything but new construction is a very difficult process. As I'm sure you are aware the problem is diffuse, sort of the "death by a thousand cuts" kind of thing.

    The whole...
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    I suggest getting a blower door test before doing...

    I suggest getting a blower door test before doing anything else and getting it from someone who only does tests, not upgrades.

    What you need to know is how much leakage you have and where it is. ...
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    Lifebreath HRV w. ECM motor noisy?

    I've been told by an installer that he had to remove a Lifebreath 155 with the ECM motor due to excessive noise. Apparently the unit sounded like it was growling which the client found problematic...
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    Trion makes a model 707-U that looks kind of...

    Trion makes a model 707-U that looks kind of interesting. Has anyone had any experience with it? It's a centrifugal atomizing humidifier which I'd never heard of before.

    One of the problems I...
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    motoguy, Thanks for the suggestions. One...

    motoguy,

    Thanks for the suggestions.

    One comment however. Although I see it all the time I don't think its really possible to say much of anything about whether or not a structure is going to...
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    So 16 hours a day, 1.6 kw/hr, that's 25 kwhrs/day...

    So 16 hours a day, 1.6 kw/hr, that's 25 kwhrs/day at about $0.10/kwh or about $77/month. Not cheap.

    Is there something cheaper than steam that works well with a heat pump or radiant? I see that...
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    Oops

    I get it now. That was 40 minutes out of every hour, yes?
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    Question on run time

    Beenthere would you walk me through the calculation you did for run time? I just want to understand how one calculates this.

    On a 4000 sq ft home, with a .34 an hour air exchange, it would take...
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    I finally had a chance to rerun the loss numbers....

    I finally had a chance to rerun the loss numbers.

    Black body radiation at 143 F is 211 btu/sf/hr. At 100 F its 153. Since the patio is in equilibrium at each of these not accounting for...
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    Oh but it gets better. This guy is in Florence. ...

    Oh but it gets better. This guy is in Florence. As in Florence, ITALY. He is surrounded by some of the most beautiful artwork the world has ever created and what does he notice? That his sink...
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    Way too simple a solution. We are artists. We...

    Way too simple a solution. We are artists. We must suffer for our creations.
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    After your last set of suggestions I went online...

    After your last set of suggestions I went online and was successful in finding a number of options for an in deck nozzle. It turns out the magic words are "fountain" and "pool." I'm going to...
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    Thanks for the links. You just have to love a...

    Thanks for the links. You just have to love a world in which there is a web site called "laminar flow in my sink."

    I'm going to think about what I could extract from these that would result in a...
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    Shophound, You're going to have to stop this! ...

    Shophound,

    You're going to have to stop this! That was exactly were I was thinking to put them. I guess I should have expected good ideas from someone who quotes Joe. I was responsible for the...
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    I keep finding things I forgot to answer. It...

    I keep finding things I forgot to answer.

    It is a custom designed home. I'm afraid I opened this can of worms. One of the samples of the slate (the original material spec'ed for all the...
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    You guys are dead on with regards to evaporative...

    You guys are dead on with regards to evaporative cooling. As a quick look at the tables will tell you the energy sucked up by turning liquid water into vapor is way, way more than the energy to...
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