Facts Tankless water heaters are different than storage tank heaters. While tank type heaters have gotten bigger, with more insulation, tankless hot water heaters have gotten smaller as they have become more energy efficient. To make the best decision about a tankless heater means doing a little math. Since it is going to be with you for twenty years or more look for the best energy efficiency to offset the rising cost of fuel. Keep this timeframe in mind when figuring the real cost to your pocketbook. Some other things to consider are the way they are constructed. A few are made of industrial grade plastic but most are of steel, copper and brass - durable and recycable materials. The warranty will reflect on the quality of the product, most you will find to be about 10 years. Another thing about tankless models is their simplicity. They only generate heat when water is moving through the system. There is no standing water, which means less corrosion. There are very few parts and most are replacable, extending the usable life of the heater. You can find out about the energy efficiency of hot water heaters from their Energy Star rating. Here is how they stack up: What you pay for energy can make a difference over 20 years. Visit this site to find out more about energy rates in your state and answers to specific questions about home energy use. To make sense of cubic feet and kilowatt hours, this site will give you the conversion tables so that you can make comparisons: http://michaelbluejay.com/electricity/gas.html If you would like to know more about this, visit this site for information about how to install a tankless water heater.
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