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2. Friedrich Air Conditioning - Wikipedia

   en.wikipedia.org/wiki/Friedrich_Air_Conditioning

   In 2012, the entry-level Uni-Fit (thru-the-wall units) and Chill (window units) lines of room air conditioners were introduced. The Uni-Fit and Chill were manufactured by LG and produced in China. However, both lines were revamped in 2019 and 2021, respectively, at which point TCL began to produce them. They are low-cost alternatives to the ...

3. Inverter compressor - Wikipedia

   en.wikipedia.org/wiki/Inverter_compressor

   In air conditioning, an inverter compressor is a compressor that is operated with an inverter. In the hermetic type, it can either be a scroll or reciprocating compressor . This type of compressor uses a drive to control the compressor motor speed to modulate cooling capacity.

4. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   Saddle-style window mounted heat pump 3D sketch. Window mounted heat pumps run on standard 120v AC outlets and provide heating, cooling, and humidity control. They are more efficient with lower noise levels, condensation management, and a smaller footprint than window mounted air conditioners that just do cooling. [39]

5. Packaged terminal air conditioner - Wikipedia

   en.wikipedia.org/wiki/Packaged_terminal_air...

   The first practical semi-portable air conditioning unit invented by engineers at Chrysler Motors. It entered the market in 1935, and was designed to fit under a window like many modern PTACs. [2] PTACs are commonly found in commercial settings (hotels, motels, hospitals), or multifamily facilities (senior housing, condominiums, apartment ...

6. Hybrid heat - Wikipedia

   en.wikipedia.org/wiki/Hybrid_heat

   A heat pump can be used to cool or heat a house. The heat pump transfers heat by transmitting of R-410A refrigerant. [2] Hybrid heat works with gas furnace and electric heat pump systems [3] or using a variable-speed fan. Variable-speed fans use direct-current-electronically commutated motors (ECM). [4] [5]

7. How AI Is Making Buildings More Energy-Efficient - AOL

   www.aol.com/news/ai-making-buildings-more-energy...

   With his company’s technology, he says: “I know the future, and so every five minutes, I send back thousands of instructions to every little pump, fan, motor and damper throughout the building ...