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2. Propane refrigeration - Wikipedia

   en.wikipedia.org/wiki/Propane_refrigeration

   Propane refrigeration is a type of compression refrigeration. Propane (R290) has been used successfully in industrial refrigeration for many years, and is emerging as an increasingly viable alternative for homes and businesses. Propane's operating pressures and temperatures are well suited for use in air conditioning equipment, but because of ...

3. Absorption refrigerator - Wikipedia

   en.wikipedia.org/wiki/Absorption_refrigerator

   Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).

4. Heating, ventilation, and air conditioning - Wikipedia

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

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

5. 4 DIY Air Conditioners That Actually Work - AOL

   www.aol.com/4-diy-air-conditioners-actually...

   Solar-Powered Air Conditioner. This air conditioner is extra sturdy since it's made from a plastic cooler, and the fan can be powered by a 12 volt battery or a 15-watt (1 amp) solar panel. This ...

6. These Top-Rated Portable Generators Are Up to 45% Off for ...

   www.aol.com/lifestyle/top-rated-portable...

   It’s transfer switch-ready and can easily power air conditioners, refrigerators, and well pumps. It features a 274cc 4-stroke engine that can switch between gas or propane without shutting off ...

7. Tested and Approved: The Best Air Conditioners for Staving ...

   www.aol.com/best-air-conditioners-keeping-cool...

   Air conditioners are generally eyesores, but the July complements the room it’s in with cover options in different colors and a compact frame. It works well, looks good, and was a breeze to install.