A traditional water tank heater lasts about ten years or so. A tankless water heater can last up to 20 years with the proper maintenance and upkeep. Tankless water heaters have only come into play about ten years ago. While the idea behind a tankless water heater is to be superior to a traditional water heater, there are some kinks that have yet to be worked out.
Installing a tankless water heater is much harder and much more precise than installing a traditional water heater. Another downside is that not every home has the proper compatibilities needed to be able to install a tankless water heater. Before you run out and purchase a tankless water heater, you need to check with a professional to make sure that your home is capable of sustaining a tankless water heater. If it is, and you decide that you do want one, your best bet is to have a professional install it for you. If you decide to try to save money and install the tankless water heater yourself, chances are you will butcher the job and end up having to spend even more to have a professional come out and replace the parts, and install it correctly.
Tankless water heaters come in various sizes. If you do decide to purchase one, you need to first be realistic about how much hot water is used in your home. One of the smaller tankless water heaters may work very well for someone who lives alone. However, the same model is going to be ill equipped to support a family of six, and you will have to choose a larger model. If you choose a tankless water heater that is too small for the needs of your home, then the demand overload will cause the tankless water heater to shut down since it will not be able to get enough natural gas to heat the appropriate amount of water. This will lead to a lot of very cold showers. I can’t think of anyone who really enjoys a cold shower.
Tankless water heaters are a lot harder to troubleshoot and repair than traditional water heaters. They also require quite a bit of maintenance to deal with corrosion, hard water, excessive demand, and sometimes even improper installation. All of these problems, except improper installation are very common with tankless water heaters. If these problems are not maintained and treated properly, they could cause your tankless water heater to not function at all.
Combustion shut down is another huge issue with tankless water heaters. Tankless water heaters must have enough room for ventilation. The reason that tankless water heaters need to have proper ventilation is so that computer generated shut downs can be avoided. Tankless water heaters have extremely hot exhaust which needs to be able to escape efficiently and fast. If the venting is restricted in any way, it could lead to the computer completely shutting down the entire system.
If you are thinking about purchasing a tankless water heater, make sure you read enough electric tankless water heater reviews so that you purchase the appropriate product for your home, in addition to making sure your home is capable of sustaining it.
Books from amazon:
Black & Decker The Complete Guide to Plumbing: https://www.amazon.com/Black-Decker-Complete-Plumbing-Updated/dp/1589237005
The Compost-Powered Water Heater: https://www.amazon.com/Compost-Powered-Water-Heater-greenhouse-buildings/dp/1581571941/