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.
The typical side-by-side refrigerator measures between 30 and 36 inches in width, 67 and 70 inches in height and from 29 to 35 inches in depth. Total volume ranges from 22.5 to 31 cubic feet, with 14.5 to 20 cubic feet in the refrigerator portion. Built-in models may prove a little larger.