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  1. Replies
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    641

    Thanks, will be leaving the shop today with an...

    Thanks, will be leaving the shop today with an extra ceiling register, drywall saw and a few materials.
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    1,083

    All it needs is a few more coats of mastic. The...

    All it needs is a few more coats of mastic. The key is to let it dry between coats :eek2:
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    1,056

    Understood, sarcasm has a habit of going over my...

    Understood, sarcasm has a habit of going over my head :det: The 90's are plenty but neat.
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    1,056

    Condenser unit "4" with zig-zag suction line?

    Condenser unit "4" with zig-zag suction line?
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    757

    Very cool, had a cat take a swing at me for...

    Very cool, had a cat take a swing at me for trying to get a temp D from a vent he was "using". I checked from a different register.
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    3,057

    We used to do all the HVAC work for some local...

    We used to do all the HVAC work for some local housing authorities, not maintenance. Each one has 2 maintenance men who are supposed to replace filters and clean coils ect.. along with their other...
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    2,108

    If its 101 outside and the unit cycles twice an...

    If its 101 outside and the unit cycles twice an hour to keep it at 72, I would say its oversized technically. It could be correctly sized to a custom outdoor and indoor design temp, IE.. 107 ODT w/...
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    439

    Look more into who is installing it rather than...

    Look more into who is installing it rather than what it is. You can have the nicest newest system, and if its installed incorrectly you have a expensive mess. To the Goodman-Amana issues.. They push...
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    381

    Also, blowers run longer to get the last bit of...

    Also, blowers run longer to get the last bit of heat or cooling out of the coil, when the system stops, usually 45 secs but depending on the system could be much longer. Most likely just the fan is...
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    648

    I would go with one of the contractors that did...

    I would go with one of the contractors that did the calc, and would suggest putting in a second return with a 4 Ton. The size of the return duct behind the 24x24 grille is just as important as the...
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    Have contractor come back out and look at the...

    Have contractor come back out and look at the system, specifically the control wires. If ductwork is undersized on a zone system, especially single stage compressors with psc or X13 blower motors...
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    880

    Have a combustion test done on all the gas...

    Have a combustion test done on all the gas appliances and see how it looks. The tester should know this but make sure they do one with all the equipment running at same time. It could be fine the way...
  13. It seems like the blanked coil is the issue....

    It seems like the blanked coil is the issue. Being in CO you need more heat than air conditioning. Sounds like they just put a small 3 ton coil on the big 90k furnace, which is most likely also...
  14. X2 Variable speed compressors need to be...

    X2 Variable speed compressors need to be "communicating" systems and every brand has their own proprietary system. If you mean variable speed blower (way more common) then you can use any...
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    10kw, preferably 2 staged is best bet. It isn't...

    10kw, preferably 2 staged is best bet. It isn't to big, but will give you enough emergency heat to stop it from getting to cold if Heat pump goes out at bad time. A calc needs to be done, but being...
  16. Is the duct sized for the coil? Or does it have a...

    Is the duct sized for the coil? Or does it have a transition going to bigger duct after the coil? to get the "resistance" of coil a reading must be taken before and after the coil. .4 WC is way...
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    496

    X2 on a no for Nutone/Nordyne and Goodman gas...

    X2 on a no for Nutone/Nordyne and Goodman gas packs are a pain to work on. Not much lennox or York experience. If you go with Trane make sure to get at least a XL13, as it has a 20yr Heat exchanger...
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    I assume he used Wrightsoft, which is a good...

    I assume he used Wrightsoft, which is a good program but there are so many variables it is easy for contractors to make it look like it needs more capacity than it really does. Like infiltration...
  19. 300psig head pressure is pretty high for a r22...

    300psig head pressure is pretty high for a r22 system. I understand its vegas and a rooftop unit but it could be working its way higher throughout the day which can cause the unit to shutdown and...
  20. They don't make them like they used to! I have...

    They don't make them like they used to! I have an aunt who lives alone and uses 2 110v window units in her small old singlewide and the ducts are a mess and existing original coleman electric...
  21. Home many zones do you have? If you have a 2...

    Home many zones do you have? If you have a 2 story house with 2 zones one for each floor, and a centrally located thermostat on each floor, a remote sensor will not help. The thermostat should be...
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    I think you meant PG92s and I don't am not...

    I think you meant PG92s and I don't am not familiar with the GMMV model#, but assume its a Variable speed blower version of G9MXE. Payne and Day and Night are the same, and I would suggest the Day...
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    645

    If mechanical room is on same level as the bonus...

    If mechanical room is on same level as the bonus room, why not just put a extra return and a extra supply register or 2 in shared wall btw bonus and Mech room? I am assuming that the ceiling is roof...
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    645

    You are lucky that the mechanical room is on the...

    You are lucky that the mechanical room is on the 3rd/ Bonus Room Floor. As has been said the only way to correctly solve this is zoning by modifying your existing system or adding a separate system...
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    a 4 degree temp swing is pretty noticeable, and...

    a 4 degree temp swing is pretty noticeable, and would be uncomfortable to most people.
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