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Type: Posts; User: renosteinke

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    Multiply the rating by the efficiency? Now,...

    Multiply the rating by the efficiency? Now, there's a step I had not thought of. Ironically, that might push me toward a less efficient unit - surprise! :D

    Living in this (somewhat dated) house...
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    Thanks, Bob, for the reply. Yes, that's me on the...

    Thanks, Bob, for the reply. Yes, that's me on the electrical forum :)

    I agree about not over-sizing stuff; that's been a real issue I've had with the air con guys as well! I also like the...
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    How do you size a furnace?

    Title says it all ... I have a 1957 house, and am doing a complete-gut remodel. furnace (gas fired, forced-air) looks to be original, and lacks its' nameplate.

    Furnaces have come a long way in...
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    "PTAC and window shakers are a different design"...

    "PTAC and window shakers are a different design"

    That's where I start getting confused.

    They look pretty much the same for me, except that the wall units often have the mechanicals exlosed,...
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    Timing, they say, is everything ... Was just...

    Timing, they say, is everything ...

    Was just at a home today, where the guy had done something similar to what I've been thinking about for my customer. (I was there on a personal interest,...
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    As best I can tell, the units are multi-speed but...

    As best I can tell, the units are multi-speed but not VFD controlled ... just a selector switch on the fan unit. Apples to apples.

    It's hard to do this thread withoutgetting bogged down in the...
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    PS: I had not thought of tying the alarm system...

    PS: I had not thought of tying the alarm system in. I like that idea- a lot.

    Now ... the question is ... do I want to sound ahorn and scare them away .... or keep it silent so the boys in blue...
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    I recently started a thread, asking for...

    I recently started a thread, asking for everyone's best cage designs. I guess great minds do think alike! :cheers:

    It's a fact; copper theft has reached the point where we simply must consider it...
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    "Economies of scale." OK, I can see where you're...

    "Economies of scale." OK, I can see where you're coming from .... now, for the second example ....

    Why would two 1-ton condensing units with 1-ton heads cost so much less than a single 2-ton...
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    I apologize for breaking a rule. For the...

    I apologize for breaking a rule.

    For the record, the prices I used were from popular consumer-oriented merchants. Very public pricing. I did not identify the source, as I did not want the thread...
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    Compressor Cages

    It's a fact of life these days ... we have to take into account the criminal element in our work. Far too many of our jobs come after some meth-headhas hacked apart the line set and ripped the...
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    Equipment Pricing Logic?

    The arrival of warm weather has again got the phone ringing. Now, I thought some of the prices seemed goofy .... so I looked closer, and .... well, I'm open to any explanations.

    Let's say someone...
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    Thanks for the feedback .... Just to...

    Thanks for the feedback ....

    Just to address a few points that have been made ....

    1) I'm having the head of the local HVAC program come see this for himself today;

    2) That the system was...
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    "Edited" Nameplate

    I am an electrician. Today I was asked to run power to, and hook up, a pair of compressors for a walk-in cooler.

    The problem: The nameplate on the unit has had all information carefully...
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    All kidding aside, I am currently involved in a...

    All kidding aside, I am currently involved in a job where the motors are mis-behaving. After spending half a day eliminating every other cause, it is pretty clear that there are PoCo issues here;...
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