A high efficiency, low noise thermoelectric dehumidifier that includes a heat pipe array, a condensing heat sink, an air intake duct, and a thermoelectric cooler. A first air flow is directed over the condensing heat sink that is cooled by the thermoelectric cool such that the first air flow is dehumidified by the cooled condensing heat sink. Heat is removed from a hot side of the thermoelectric cooler via the heat pipe array. A second air flow is directed over the heat pipe array such that the heat extracted from the hot side of the thermoelectric cooler is extracted and circulated back into the ambient environment.

An apparatus for water purifying and dehumidifying with an air purifying system purifies air and purifies condensate water produced by dehumidification such that the condensate water can be used as drinkable water, as a single product, whereby various functions are given to one product. Accordingly, there is an effect that the manufacturing cost of the product is reduced and expenses by customers are decreased, whereby it is possible to improve competitiveness of the product in terms of practical use.

An air handling system includes an fan system and an outdoor system. The fan system and the outdoor system are connected by a refrigeration circuit. The fan system includes a dehumidification system.

A dehumidification system includes an evaporator, a condenser positioned next to the evaporator, and a drain pan including a mist eliminator. The drain pan is disposed at least partially below the evaporator and the condenser. The drain pan at least includes a basin disposed at least partially below the evaporator. The basin includes a sloped bottom, a first rib disposed on the sloped bottom, a second rib parallel to the first rib and including a central gap, a third rib positioned between the first rib and the second rib, and an angled rib attached to the second rib. The third rib is parallel to and shorter than the first rib. The third rib is configured to at least partially block the central gap of the second rib. The angled rib is inclined towards the third rib and configured to change a velocity vector of the air flowing through the drain pan. The mist eliminator is configured to remove water droplets from the air.

An HVAC system includes an indoor heat-exchange coil disposed between a supply air duct and a return air duct. A damper is disposed in a re-circulation duct and is moveable between an open position and a closed position. A controller is configured to determine if the HVAC system is operating in a heating mode or an air-conditioning mode. Responsive to a determination that the HVAC system is operating in the air-conditioning mode, the controller is configured to determine if the variable-speed indoor circulation fan is operating at a minimum speed and if the relative humidity measured by the humidity sensor is above a pre-determined threshold. Responsive to a determination that the variable-speed indoor circulation fan is operating at the minimum speed and the relative humidity of the enclosed space is above the pre-determined threshold, the controller signals the damper to move to the open position.

A system and method for filtering contaminants from air has a housing assembly further comprising at least one air inlet and outlet. An intake fan assembly draws air in and propels the air through at least one tube assembly leading to a bottom portion of a removable aqueous solution tank member. A plurality of hole members lines an upper surface of a submerged portion of the tube assembly from which bubbles travel upward through an aqueous solution to a condensing chamber assembly. At least one cooling condenser coil assembly in a first duct cools the air to removing humidity and contaminants, the air then traveling to a second duct bearing a heating coil assembly. The air travels through the second duct to a dry filtration system including a removable carbon filter screen fronting the exit portion. At least one electric motor assembly and LED control assembly permits and controls operation.

An air conditioning device includes a body comprising an inlet plenum portion to receive input air including vapor molecules, a spray chamber portion to receive the input air, the received input air being rigorously mixed within the spray chamber, a sprayer portion to charge a liquid droplet and to release the charged liquid droplet into the rigorously mixed air to cause the charged liquid droplet to attract a vapor molecule, such that the vapor molecule attaches to the charged liquid droplet and separates from the input air, a separation chamber portion to cause the liquid droplet with the attached vapor molecule to separate from the rigorously mixed air and to condense and collect as liquid within an outlet plenum, and an air outlet portion to direct output air from the air conditioning device, a first humidity of the output air being less than a second humidity of the input air.

Systems, apparatus and methods for operating an environmental control system that delivers dehumidified outdoor air into a conditioned space through an air valve. The method includes establishing CO.sub.2 setpoints corresponding to a ventilation outdoor air flow rate and a dehumidification outdoor air flow rate, determining a humidity metric of the conditioned space, and delivering outside air to the conditioned space at the ventilation outdoor air flow rate or dehumidification outdoor air flow rate based upon the humidity metric. The outside air may be tempered with return air from the conditioned space. The dehumidification CO.sub.2 set point is determined by predicting the dehumidification CO.sub.2 set point based on the airflow quantity per occupant and the relationship of the occupant predicted water vapor emission rate and CO.sub.2 emission rate.

An atmospheric water generator apparatus. In one embodiment, the apparatus includes a fluid cooling device. A water condensing surface is thermally connected to the fluid cooling device, the water condensing surface having a superhydrophobic condensing surface, a highly hydrophobic condensing surface, a superhydrophilic condensing surface, a highly hydrophilic condensing surface, or a combination thereof. An air-cooled heat rejection device is in fluid communication with a fluid cooling device. An air fan is configured to induce airflow across the water condensing surface in order to condense and extract water from the atmosphere.

A dehumidifier includes a water tank including an accommodating space, a connector male end assembly disposed at the water tank, a middle partition, and a connector female end disposed at the middle partition. The connector male end assembly includes a connector male end including a first end part in communication with the accommodating space and a second end part opposite to and in communication with the first end part. The connector female end includes a first connection end part connected with the second end part and a second connection end part opposite to and in communication with the first connection end part.