This article explores the new macro designer and other new macro features available in Access 2010. After reading this article, you will be able to take full advantage of what Access 2010 macros have to offer.
Rules For Sizing Your Heat Pump Pool Heater. 1  Size at 4 BTUâs per gallon or 1 BTU per litre of water. To heat in normal summer conditions when ambient air temperature average 70Â°F in a 24 hour period.  Size at 5 BTUâs per gallon or 1.3 to 1.5 BTUâs per litre of water.
One single BTU can also be expressed as being equal to between 1,054.35 and 1,059.67 joules, another common energy measurement. One BTU is also equal to 252 calories. A calorie is the amount of heat needed to raised 1 gram of water by 1.8 degrees Fahrenheit. One BTU is also equal to about 0.000293 Kilowatt hours.