A purification device for exercise environment is provided and includes a main body, a purification unit, a gas guider and a gas detection module. The purification unit, the gas guider and the gas detection module are disposed in the main body to guide the gas outside the main body through the purification unit for filtering and purifying the gas, and discharge a purified gas. The gas detection module detects particle concentration of suspended particles contained in the purified gas. The gas guider is controlled to operate and export the gas at an airflow rate within 3 minutes. The particle concentration of the suspended particles contained in the purified gas, which is filtered by the purification unit, is reduced to and less than 0.75 μg/m.sup.3. Consequently, the purified gas is filtered, and an exerciser in an exercise environment can breathe with safety.

A purification device for exercise environment is provided and includes a main body, a purification unit, a gas guider and a gas detection module. The purification unit, the gas guider and the gas detection module are disposed in the main body to guide the gas outside the main body through the purification unit for filtering and purifying the gas, and discharge a purified gas. The gas detection module detects particle concentration of suspended particles contained in the purified gas. The gas guider is controlled to operate and export the gas at an airflow rate within 3 minutes. The particle concentration of the suspended particles contained in the purified gas, which is filtered by the purification unit, is reduced to and less than 0.75 μg/m.sup.3. Consequently, the purified gas is filtered, and an exerciser in an exercise environment can breathe with safety.

The indoor unit of the air conditioner includes a centrifugal blower configured to discharge air sucked from an indoor-unit suction port to the periphery, a heat exchanger provided on a discharge side of the centrifugal blower, a blowout port provided on a downstream side of the heat exchanger, and a drain pan provided under the heat exchanger and configured to receive moisture condensation water. The lower end of a discharge port of the centrifugal blower is provided in a position higher than an upper end of a wall surface section of the drain pan located on the upstream side with respect to the heat exchanger. The upper end of the wall surface section located on the upstream side with respect to the heat exchanger is formed lower than an upper end of a wall surface section located on the downstream side with respect to the heat exchanger.

An air conditioner including an air conditioning module, a lighting module and a discharge guide between the air conditioning module and the lighting module. The air conditioning module includes a housing, air inlet, air outlet, heat exchanger, and fan. The lighting module includes a moveable lighting panel. The discharge guide moves with the lighting module. The lighting panel is moveable between a first position in which the lighting panel allows air to enter the air inlet and to be discharged from the air outlet and the discharge guide blocks the discharged air from entering the air inlet, and a second position in which the lighting panel restricts air from entering the air inlet and from being discharged from the air outlet as compared to the first position.

An air conditioner including an air conditioning module, a lighting module and a discharge guide between the air conditioning module and the lighting module. The air conditioning module includes a housing, air inlet, air outlet, heat exchanger, and fan. The lighting module includes a moveable lighting panel. The discharge guide moves with the lighting module. The lighting panel is moveable between a first position in which the lighting panel allows air to enter the air inlet and to be discharged from the air outlet and the discharge guide blocks the discharged air from entering the air inlet, and a second position in which the lighting panel restricts air from entering the air inlet and from being discharged from the air outlet as compared to the first position.

Disclosed is an air conditioner. The disclosed air conditioner comprises: a main discharge port formed in a housing so as to discharge air introduced through a first inlet; a first guide discharge port configured to discharge a portion of air introduced through a second inlet such that the portion of the air introduced through the second inlet is mixed with the air discharged from the main discharge port; a second guide discharge port configured to discharge another portion of the air introduced through the second inlet such that the another portion of the air introduced through the second inlet is mixed with the air discharged from the main discharge port; and a distribution device configured to adjust the flow rate of the air discharged through the first guide discharge port and the second guide discharge port.

In order to carry out, in a heating operation, an airflow rate adjusting operation in which a reduced amount of conditioned air is blown in one or more of a plurality of blowing directions to increase a blowing speed in the rest of the blowing directions, an operation control section is configured to control the flow of the conditioned air such that the conditioned air is blown out in a horizontal blow mode in the blowing direction in which the blowing speed is increased by the airflow rate adjusting operation, and periodically change the blowing direction in which a reduced amount of the conditioned air is blown. As a result, temperature variations in the air-conditioning target space in the heating operation are reduced.

An indoor unit of an air-conditioning apparatus includes an air-sending device unit having an air-sending device unit housing configured to house an air-sending device and provided with an air inlet; and a heat exchanger unit having a heat exchanger unit housing configured to house an indoor heat exchanger, provided with an air outlet, and configured to be coupled to the air-sending device unit housing, wherein the air-sending device includes a rotating fan, an electric motor, and a casing, the casing, the air inflow port, and the air-sending device unit housing, a first rail unit, and a slide member.

A blower for an HVAC system, the blower includes a housing with an intake and an outlet, a fan or blower wheel disposed within the housing and configured to draw air into the housing via the intake and to exhaust air from the housing through the outlet, and an adjustable cutoff plate configured to be moved between at least a first position defining a first cutoff angle and a second position defining a second cutoff angle.

A blower for an HVAC system, the blower includes a housing with an intake and an outlet, a fan or blower wheel disposed within the housing and configured to draw air into the housing via the intake and to exhaust air from the housing through the outlet, and an adjustable cutoff plate configured to be moved between at least a first position defining a first cutoff angle and a second position defining a second cutoff angle.