Water Heater Btu Calculator

1 btu is the energy needed to heat 1 pound of water by 1 fahrenheit.

Water heater btu calculator.

Your selection of a water heater using gallon s per day will have a energy cost savings per water heater over an estimated 13 year life expectancy compared to the model. 1 watt is approximately 3 412 btu per hour. For sizing combination water and space heating systems including some heat pump systems and tankless coil and indirect water heaters consult a qualified contractor. By definition a british thermal unit is the amount of heat needed to raise one pound of water 1 fahrenheit.

It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit. It is the way it is taught at school. 1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match. Btu flow rate in gpm of water x temperature leaving process temperature entering process x 500 4 formula changes with fluids others than straight water.

A british thermal unit or btu is a unit of measurement of energy. For practical purposes it should be precise enough. If you haven t yet considered what type of water heater might be best for your home learn more about selecting a new water heater. Why is this important.

Knowing the amount of energy measured in btu s is necessary to keep your home comfortable in the both heating and cooling seasons. To make sure you are getting the water hot enough you need to have a high btu for high water demand. 1 btu is equivalent to the amount of energy it takes to raise 1 lb of water by 1 f. We often refer to the british thermal unit as a btu but the rating is actually the btus per hour or btu h.

The formula goes like this. A british thermal unit or btu is an international energy measurement. Assumptions base model has an efficiency that just meets the national minimum standard for gas and electric water heaters. Btu is often used as a point of reference for comparing different fuels.

Heating btu calculator when shopping for heaters many people make the mistake of choosing the wrong size for their actual needs. Given all the different options available for heaters space vented gas console and more narrowing down the choices can be a great way to ensure that you are choosing the best option. Boiling time of water can be calculated with the volume energy efficiency start and end temperature. Water heating time calculator.

The higher the btu the more water it is capable of heating. The heat capacity is largely constant in the temperature range that the calculators work 34 210 f or 1 99 c. 1 btu is the equivalent of 1 055 joules or 293 watts. Boiling or heating is the process of rapid vaporization of the liquid to reach its boiling point.

Btu calculator for weighed water test gpm.