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2. Variable refrigerant flow - Wikipedia

   en.wikipedia.org/wiki/Variable_refrigerant_flow

   Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller-based systems.

3. Don't wait until the next heat wave to buy an AC — this one ...

   www.aol.com/lifestyle/midea-air-conditioner-sale...

   This Midea window air conditioner is the perfect size for a bedroom, kitchen or even a smaller living room. Normally $175, it's now marked down on Walmart to just $144 , making it quite the steal ...

4. 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.

5. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   With the split system, the evaporator coil is connected to a remote condenser unit using refrigerant piping between an indoor and outdoor unit instead of ducting air directly from the outdoor unit. Indoor units with directional vents mount onto walls, suspended from ceilings, or fit into the ceiling.

6. Sanyo - Wikipedia

   en.wikipedia.org/wiki/Sanyo

   Sanyo worked with Energy Efficiency Services Limited to develop a 1.5-ton inverter air conditioner (AC) with an Indian Seasonal Energy Efficiency Ratio (ISEER) of 5.2. Distribution of these air conditioners began in September 2017. [39] On April 4, 2019, Sanyo launched a new AC range exclusively on Amazon. [40] [41]

7. Exclusive: How Walmart is using AI to supercharge its holiday ...

   www.aol.com/finance/exclusive-walmart-using-ai...

   An upgraded inventory management system enables Walmart to compete with Amazon , as the company rolls out more same-day delivery slots in 4,000 stores. The offering, which depends on Walmart's ...