Length x Width x Desired Temperature Rise x 12 = Required BTU. Example (10 x 20 ft. pool; desired temp rise of 20 degrees Fahrenheit): 10 x 20 x 20 x 12 = 48k BTU. When you are deciding what size pool heater to purchase, it is important. to understand that a larger heater will heat the water faster.
Built In Refrigerators. Built in refrigerators are only finished on the front and fit flush with the surrounding cabinetry for a sleek, high-end look. A built in refrigerator is designed to fit into a cabinet depth of 23 1/2 to 26 inches and can be customized with panels to match the overall design and style of your kitchen.
There are are four important parts of the refrigerators and air-conditioners, these are: compressor, condenser, expansion valve and evaporator. 1  Refrigerating and Air-Conditioning Compressors. 2  Refrigerator and Air-conditioner Condensers. 3  Throttling or Expansion Devices for Refrigerator and Air-Conditioner Systems.