Some of the newer model washers and dishwashers come with their own tankless hot water heaters, an idea that you could carry over when your aging storage tank type water heater needs replacing. Replacing that old, inefficient heater with an energy efficient home tankless hot water heater makes good sense. But first lets look at a few points to help you come up with the right choice.
Finding the right spot
Think of a home tankless hot water heater as something smaller and better at producing more hot water for less money. Electrical models are rated 99 percent efficient, gas models somewhat less. This is possible because they operate on the “hot water on demand” principle. And this happens in a matter of seconds. There is no wasted energy from heated pipes that you find with storage tank style heaters.
This small, light weight type heater can be mounted anywhere; gas tankless hot water heaters are often mounted on the outside of a home to cut back on installation costs. Electrical home tankless hot water heaters can be positioned close to primary water outlets to increase efficiency.
Thoughts on installation
Installing a gas home tankless hot water heater can double the initial cost of a new unit. A high volume gas line is usually called for as well as to-code venting system which meets high temperature specs. A fresh air supply is also necessary to maintain good draft. A CO2 detector is also a good safety precaution with this combustion system.
Wall mounting is also the preferred way to install an electrical home tankless hot water heater. Small and light weight, this can be done with a drill and screwdriver. It should be in an accessible position for servicing. Aside from an 80-120 amp electrical supply the only requirements are that it should have cut-off water valves and adequate wiring.
Interior mounted gas home tankless hot water heaters come with a potentially big price tag. Rely on experienced installers for advice and written estimates.
Heating decisions
Some new home builders are beginning to add home tankless hot water heaters as a way to attract savvy buyers but existing homeowners can also benefit from this technology. Since they are so small and light weight and electric models so easy to install, a combination can be use to maximize the efficiency of heating water.
Gas home tankless hot water heater are usually used for the big jobs with electric tankless heaters for smaller applications and under the counter models being the answer for single faucet use.
When it comes time to buy you will find that gas home tankless hot water heaters are the most expensive; costing $2,000 and up. Electric home tankless hot water heaters are almost as inexpensive as storage tank models but by installing it yourself and taking the energy saver tax credit you could have one for as little as $300.
Smaller electrical units, which operate on 120V can also be self installed to provide hot water for a single outlet. A good solution for lavatory or kitchen sink.
Flexibility and efficiency
Hot water doesn’t have to be a single source solution. A home tankless hot water heater can take many forms to provide for your hot water needs. Regular usage and peak needs can be met with no wasted energy.
Refer to this site for detailed installing a tankless water heater instructions.
Follow this link for more info on choosing the best home tankless hot water heater.
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