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HVAC CONTROL WITH UTILITY TIME OF DAY PRICING SUPPORT

  • US 20110184565A1
  • Filed: 01/22/2010
  • Published: 07/28/2011
  • Est. Priority Date: 01/22/2010
  • Status: Active Grant
First Claim
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1. A method for operating an HVAC system for conditioning inside air of a building, the HVAC system including an HVAC unit and a local HVAC controller, the method comprising:

  • controlling the HVAC unit with the local HVAC controller according to at least one nominal HVAC control parameter;

    recording in a memory of the local HVAC controller at least one measure related to an environmental condition of the building;

    predicting a Critical Peak Pricing (CPP) event of a utility supplying power to the building based at least in part upon the at least one measure related to an environmental condition of the building; and

    controlling the HVAC unit with the local HVAC controller according to at least one CPP HVAC control parameter if the CPP event is predicted, wherein controlling according to the at least one CPP HVAC control parameter consumes less energy during the CPP event relative to controlling according to the at least one nominal HVAC control parameter.

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