# How to Calculate Time to Heat Water?

Using the formula Pt = (4.2 * L * T ) / 3600 you can calculate the time it takes to heat a specific quantity of water from one temperature to another temperature. Once you have calculated the power... Read More »
http://www.ehow.com/how_8028611_calculate-time-heat-water.html

Top Q&A For: How to Calculate Time to Heat Water

## Why do you have a hot water heater when you don't need to heat hot water?

For the same reason why you have an ATM machine. The "M" in ATM stands for "machine," yet people still refer to it as an ATM machine. Let's not forget that drive-up ATMs have brale on the keypads... Read More »

## How long does it take to heat water in a 50 gallon water heater?

The time it takes for a 50 gallon water heater to heat water depends on the temperature of the water coming into the tank, whether the tank is gas or electric, and the desired temperature of the ho... Read More »

## Is my Hot water heater on its last leg , it pops and burps and farts alot when it kicks on to heat the water .?

sounds to me that there is air in your lines.

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