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Environmental control system and method
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Feedback controller
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Application framework for constructing building automation systems
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Optimal ventilation control strategy
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Pressure dependent variable air volume control strategy
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Adaptive flow controller for use with a flow control system
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Zoning interface system for a variable speed heat pump
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Smart actuator control
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Transmission for a return-to-normal actuator
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Smart refrigerant sensor
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Thermal release apparatus for coupling a damper actuator to a damper blade assembly
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Method for automatically determining the physical location of devices on a bus networked control system
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Electric actuator return-to-normal using capacitor energy storage with regulated output
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Return-to-normal modular actuator
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High pressure water regulating valve
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Method and apparatus for balancing an air distribution system
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Variable air volume HVAC system controller and method
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Air handling unit including control system that prevents outside air from entering the unit through an exhaust air damper
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Burner adjuster with valve seat for heating systems etc
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Electric reversing drive for control valves
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