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  1. Please tell me these uber-advanced controls...

    Please tell me these uber-advanced controls utilize flash or NVram have facilities for upgrading their logic...

    At that cost they should have Ethernet linking the Tstats to the motor controls and...
  2. If anyone learns more about iQ drive zoning from...

    If anyone learns more about iQ drive zoning from Nordyne, please let me know.
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    I found a westinghouse branded nordyne 23 SEER AC...

    I found a westinghouse branded nordyne 23 SEER AC packaged system listed on a wholesaler's site, and a conventional 16 SEER goodman packaged system. Both were four tonnes. The Nordyne cost 4500...
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    variable speed compressor cost

    I realize we aren't supposed to ask questions regarding pricing, but could anyone give me an idea of how much more a Nordyne based 23 SEER outdoor unit and ECM air handler/evap. coil would have over...
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    Will an ECM blower, and a control system with an...

    Will an ECM blower, and a control system with an LAT sensor automatically adjust performance to match zone demands?

    Is there such a system?

    Who do you think has the best integration of zoning...
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    Nordyne IQ drive heatpump

    I forgot to mention, a nordyne rep informed me that IQ drive heatpumps are coming early 2009. 21 SEER and 9.5 HSPF, IIRC.

    Do any of the VRV/VRF split multi systems operate as AC and heatpump? ...
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    LAT controlling variable speed compressor

    Hey guys,

    If a variable speed compressor is monitoring system performance based on the LAT sensor, even with just a two stage blower instead of variable speed blower, wouldn't the compressor...
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    Louisnana home HVAC/heatpump upgrades

    Hello everyone,

    Let me first state I am a homeowner, not a contractor. I have a poorly insulated/sealed 3000sq ft home in southern Louisiana. I am steadily improving my insulation problems, and...
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