How to Get a Good Tankless Water Heating System The water heating amounts account for nearly a fifth of all the energy costs of the home and as per the new efficiency standards water heaters that heat about 55 gallons of water will see a 4% increases in efficacy whereas water heaters that heat 55 gallons or more may cut the utility bills by between a quarter to up to half of the energy cost. It is a great option to consult a professional so that one can comprehend the new regulations and tankless water heaters are a good option to begin with since they do not run out of hot water and they can use either gas or electricity. When selecting a tankless water heater the warranty is a good thing to look into, the person has to check the water heater’s warranty, and because these tanks deteriorate at a lower speed, then the best tank manufacturers offer a long warranty that can run from five to twelve years. A tankless water heaters does not store water which means they will last longer than the regular water heaters that wear out due to the minerals in water that eventually corrode the water tank and this increases the longevity of the tankless water heaters from ten years (which the length that conventional storage water heaters last for) to even 20 years. Another demerit of storage water heaters is that the minerals eventually get cooked at the bottom of the tank thus decreasing the heat efficiency over time which means the energy costs begin to soar, and the tanks do not have parts that can be replaced, unlike tankless models that have parts that can be replaced when they break down. When it comes to size in selecting tankless water heaters the best way is to consider the various options with regard to flow and not capacity because a tankless water heater cannot run out of water like a tank storage water heater but the heater may not serve multiple outlets at once. For a tankless water heater, the British Thermal Unit input and the efficiency ratings determine the flow rate which is expressed in gallons per minute and one BTU is equal to the quantity of energy needed to raise the temperature of a pound of water to 10F. The more the the water heater’s BTU rating the more the flow rate of the water and under ordinary conditions it takes 31, 000 BTUs to give 1.2GPM to give 5.7 GPM of hot water but if the person lives in a cold climate where the incoming water is cold then the unit will need more heat to bring the water to the required temperature.What Has Changed Recently With Heaters?