There are several different types of instant water heaters which you can try. The come powered by propane, natural gas, oil and electricity. If you are looking to save money you will want the one that is the most energy efficient. An electric instant hot water heater will turn out to be the most energy efficient, simply because electricity is more efficient than the alternatives. It is the only energy source listed which gives you back 100% of the energy which is put into the production of power. This means that you will not be wasting any power.
There are two different types of electric instant hot water heater which you can purchase. Firstly, there are the types which will be installed under your kitchen bench top. They require that you plug them into the water mains. There will be two tanks. One tank will receive cold water from the mains, and it will then heat the water up to the desired temperature. Once the water gets hot enough it will be passed into a secondary tank which holds the hot water. When you run the faucet cold water will be pushed into the first tank, and in turn this will force hot water out of the second tank. This cycle will allow you to have instant hot water while replenishing the supply of cold water yet to be heated.
You can purchase an instant hot water system to use in your own home. They do not cost a lot, and when you think about the money you can save on water and time, they are a really smart idea.