A device such as a smart thermostat is provided for controlling heating and cooling systems. The device is operable to execute an energy control program to control the heating and a cooling systems based upon different control strategies: a first control strategy that compares the at least one temperature setpoint in the programming schedule to the current measured dry bulb temperature to determine whether to engage or disengage the heating and a cooling systems, and a second control strategy that compares the at least one temperature setpoint in the programming schedule to a normalized humidex temperature to determine whether to engage or disengage the heating and a cooling systems, the normalized humidex temperature being the current measured dry bulb temperature modified by historical humidity values to provide an indicator of thermal comfort within the premise.

Methods and related systems of detecting a temperature deviation in a heat exchanger coil of a climate control system are disclosed. In an embodiment, the method includes determining an enthalpy of the indoor space. In addition, the method includes detecting a coil temperature of the heat exchanger. Further, the method includes detecting a coil temperature deviation based on the enthalpy and the detected coil temperature.

An air conditioning assembly for an environmental chamber includes an air handling unit for supplying air to the environmental chamber. A plurality of ducts in fluid communication with the air handing unit and in fluid communication with the environmental chamber are configured to draw air from one side of the environmental chamber through at least one outlet vent, and to blow air into an opposite side of the environmental chamber through at least one equal but opposite inlet vent. At least one air conditioning means in fluid communication with the at least one air handling unit is configured to condition the air flow passing through the air handling unit. The at least one air conditioning means includes an altitude simulator for changing the oxygen content of the air flow. In use, the air conditioning assembly is configured to create substantially laminar air flow throughout the environmental chamber.

Provided in the present application are a control system of an air conditioner and an air-conditioning device. The control system of the air conditioner comprises: a main machine control assembly receiving a feedback parameter of a main machine, to adjust, according to the feedback parameter, a water discharge temperature of the main machine; a water pump control assembly, and the water pump control assembly is in communication with the main machine control assembly, to adjust, according to a feedback parameter of the water pump, an operating parameter of a water pump; a cooling tower control assembly, and the cooling tower control assembly is connected to the water pump control assembly, to adjust, according to an environment parameter and a target water discharge temperature, the current water discharge temperature of a cooling tower; and a tail end control assembly.

An air quality monitoring device and an associated method of manufacturing. An example air quality monitoring device may include a housing having a chamber and an inlet port. The inlet port may be structured to receive an air flow from outside the housing and provide the air flow to the chamber. The air quality monitoring device may include a plurality of sensors disposed within the chamber and configured to measure air quality data associated with the air flow. The air quality monitoring device may include an adapter configured to be connected to the inlet port and a continuous positive airway pressure machine. The inlet port may be configured to receive the air flow from the continuous positive airway pressure machine via the adapter. The air quality monitoring device may include a controller connected with the plurality of sensors and configured to transmit the air quality data to a computing device.

A climate control system is configured to modulate the air environment of an interior space to maintain the dew point of the interior space within a predetermined operating dew point band as the temperature in the room fluctuates.

A dehumidification system for use with a dehumidification refrigerant to dry ambient air as part of a heating, ventilation, and air-conditioning (HVAC) system that includes an HVAC condenser as part of an HVAC refrigeration circuit. The dehumidification system may include a dehumidification refrigeration circuit separate from the HVAC refrigeration circuit. The dehumidification circuit may include a dehumidification compressor, a dehumidification condenser, a dehumidification expansion device, and a dehumidification evaporator. The dehumidification condenser may be positioned in close proximity to the HVAC condenser such that airflow across the HVAC condenser also flows across the dehumidification condenser. The dehumidification evaporator may be spaced apart from the dehumidification condenser such that airflow across the dehumidification evaporator does not flow across the dehumidification condenser.

An air conditioner and a method for controlling same are disclosed. An air conditioner according to the disclosure comprises: an indoor unit including an indoor heat exchanger and an indoor fan; an outdoor unit including a compressor; at least one sensor; at least one memory storing instructions; and at least one processor to execute the instructions to identify a freezing process to form ice-capsules on a surface of the indoor heat exchange according to a first relative humidity sensed through the at least one sensor, control the indoor fan and the compressor to operate in the identified freezing process so that the ice-capsules are formed, identify a thawing process to thaw the formed ice-capsules according to a second relative humidity sensed through the at least one sensor while the indoor fan and the compressor are operating in the identified freezing process, and control the indoor fan to operate in the identified thawing process.

Systems, apparatus and methods for independently reducing temperature and humidity of air in a controlled space to meet separate temperature and humidity control set points. A preferred system can include a compressor, a condenser connected to the compressor to provide a liquid refrigerant flow, a controllable segmented heat-exchanger coil for controlling relative flow of coolant to active segments for cooling airflow so that adjustable humidity and temperature control is provided for the controlled space, the active coil segments being stacked and parallel, a liquid-suction heat-exchanger separator to provide increased dehumidification and efficiency, increased refrigerant vapor density, and reduced condenser pressure, and a liquid level sensor attached to the liquid-suction heat-exchanger separator to realize evaporator coil freezing temperature for dehumidification, along with preventing liquid refrigerant entering the compressor, while providing unevaporated liquid refrigerant flow from the outlet of the heat-exchanger coil.

Methods and apparatus to monitor environmental conditions and reduce condensation are disclosed. An example apparatus includes a first sensor system to measure a first temperature in a first area and a second sensor system to measure a second temperature in a second area adjacent to the first area. The first area being separated from the second area by a door. A controller has at least one memory, instructions, and processor circuitry to execute the instructions to at least: compare the first temperature and the second temperature; determine if a temperature difference between the first temperature and the second temperature exceeds a temperature threshold; and in response to determining that the temperature difference does not exceed the temperature threshold, deactivate a fan located in the first area.