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  2. Thermoelectric cooling - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_cooling

    Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The output of the infrared LED (like that of any infrared remote) is invisible to the human eye because its wavelength is beyond the range of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central air conditioners uses it as well.

  4. Electric blanket - Wikipedia

    en.wikipedia.org/wiki/Electric_blanket

    Blankets for two-person beds often have separate controls for each side of the bed. The electric blanket may be used to pre-heat the bed before use or to keep the occupant warm while in bed. Electric blankets usually use between 15 and 115 watts, and some modern "low voltage" electric blankets have thin carbon fiber wires and work on 12 to 24 ...

  5. Gree Electric - Wikipedia

    en.wikipedia.org/wiki/Gree_Electric

    It is the world's largest residential air-conditioner manufacturer. [3] The company offers two types of air conditioners: household air conditioners and commercial air conditioners. The company also produces electric fans, water dispensers, heaters, rice cookers, air purifiers, water kettles, humidifiers and induction cookers, among other products.

  6. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    Window and central air conditioning in the 1960s caused many companies to discontinue production of fans, [12] but in the mid-1970s, with an increasing awareness of the cost of electricity and the amount of energy used to heat and cool homes, turn-of-the-century styled ceiling fans became popular again as both decorative and energy-efficient.

  7. Adjustable bed - Wikipedia

    en.wikipedia.org/wiki/Adjustable_bed

    Another structural difference is the sliding back mechanism (sometimes called wall hugger or wall climber) which allows to minimise the gap with the back wall when the bed is uplifted, keeps the bedside table within reach, and enables the partners using the bed (if split) to keep eye contact at all times. In the 90's the sliding back mechanism ...

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