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.
Answers. Best Answer: Top freezer, apartment size family refrigerators are generally between 8 and 13 cubic feet. Top freezer, house size family refrigerators are generally between 14 and 25 cubic feet. However, there are exceptions. Click on the source links I posted below to learn about other considerations you need to know when choosing a refrigerator. Source(s): http://www.appliance.com/buy_guides/edit...