Water heaters provide a continuous supply of hot waters to homes. The water heating page on Wikipedia, here, share that the first water heaters originated in London, England, in 1868. It was a painter that came up with the design of the first one, Benjamin Waddy Maughan. His design did have a flaw, though, in that it didn’t have a flue so heated gases in a bathroom didn’t have a way to vent.
Today the typical water heater holds 60 gallons of water. They generally use natural gas, electricity, or propane as the fuel to heat the water. There are also increasingly water heaters that are powered by solar energy. In older homes, they can be found tucked away in the basement or the attic. In newer homes, they are usually found inside the garage where they are more accessible. There are also now tankless heaters which heat water on-demand and don’t store it in a tank at all.
Water heaters are not relatively expensive to have replaced when they break down. Using a water heater installation service phoenix az, for example, it costs about $900 to replace a water heater. Tankless water heaters are more expensive, costing about $3000 to have installed, but they do have lower operating costs which mitigates some of the upfront expense of installing one. A regular water heater lasts around 15 years on average while a tankless water heater can be expected to last a few years shy of that.
In large commercial buildings they now often use point-of-use water heaters instead of a large centralized one. One of the advantages of these types of water heaters is that it eliminates the long wait of waiting for the hot water to arrive. These are also great for buildings where the demand for hot water is intermittent or only occasional. The disadvantage is that having many point-of-use water heaters is more expensive than having one large centralized one.
There are a number of ways of keeping the cost of the water tank down in a home and this article shares a 15 of them. The cost of having heated water in a home accounts for 12% of the total energy cost so applying ways to save money on heated water can pay great dividends. The first thing to do is make sure the water heater is set to 120 degrees. Any hotter than that not only adds to the expense but can also result in scalding hot water coming out of the tap. Another thing to do is make sure the water heater is properly insulated. There are inexpensive insulated jackets that can be put over the water heater to keep the heat in better.
Shorter showers will also save on your water heater costs. Hot water also shouldn’t be allowed to just run while you do something else as this is almost literally throwing money down the drain. Another tip is that almost all clothing can be cleaned in cold water in the clothes washer and the hot water setting is almost never actually needed.