The most common asked questions are listed below regarding the benefits of tankless hot water heaters:


What are the differences in Tank vs Tankless Hot Water Heaters?

The differences in tank vs tankless water heaters can be summed up in four categories:

1. CONVENIENCE

The biggest problems that people have with their hot water is not having enough. You may find that hot water doesn’t last long enough for everyone in your family to get a shower, or that it runs out partway through. These are problems that only exist with a tank water heater. A tankless heater can solve them. That’s because of how the two kinds of heaters work:

  • Tank heaters pre-heat a limited amount of water in their tank. You can get bigger tanks, but they’re expensive and there’s still a limit. If you use up all the hot water in the tank, you run out until it refills and reheats. This is what makes taking a long shower no fun.
  • Tankless heaters heat up water as it’s needed—whenever you turn the faucet. They can bring water up to steaming, soothing temperatures in a matter of seconds. They can provide hot water indefinitely.

2. EFFICIENCY

One of the biggest things homeowners want out of a new water heater is energy efficiency. This is where there’s the most dramatic difference between the two heaters:

  • A tank heater operates continuously. That means it’s running even when you’re asleep, and much of that hot water will never even be used. That’s a lot of wasted energy—that you pay for.
  • A tankless heater only heats water on demand. It’s a smaller, compact system that flash-heats water when you need it, and turns off as soon as you turn off the faucet. Tankless heaters are designed to save energy.

3. COST

The cost advantages depend on whether you want a quick fix or a long-term investment:

  • Tank heaters cost less up front but are expensive to run and wear out sooner.
  • Tankless heaters cost slightly more up front, but can save you substantially on your monthly bills. Comparing a standard tank heater (50-gallon, electric) with an equivalent tankless (condensed gas-fired unit), the tankless unit can reduce energy costs by 60% or more.

4. INSTALLATION & MAINTENANCE

Installation costs on tankless heaters have come down recently, and Noritz offers models that are compatible with the same gas line and ventilation stacks as traditional heaters. Plus, Noritz can help you find a licensed installer wherever you live. That means the two heaters are now much more evenly matched. But after installation, the difference is clear:

  • Tank Heaters are old technology, and they have flaws. Minerals build up inside the tank as it’s cooked over and over. Most tanks last only 10-12 years before they have to be replaced, and typically come with just a 6-year warranty.
  • Tankless Heaters are modern and more effective. They last up to 20 years with very little maintenance. And manufacturers such as Noritz backs most water heaters with a 10-year warranty or longer.

What are the Green Benefits of Tankless Hot Water Heaters?

If you’re a green-conscious homeowner, you know the importance of decreasing your carbon footprint. By using a tankless water heater, you are sure to do just that. Tankless water heaters work to reduce carbon emissions. They do this by using less energy to heat your water since you don’t need to heat a full tank. The heater goes to work only when hot water is needed. Lastly, homeowners know all too well the damage caused by a failing water heater. It’s one of the dreaded nightmares of owning a home; coming home to water everywhere, leaking from a busted water heater. Not only is it disastrous, but all that water is wasted. With a tankless water heater, you no longer need to stress about this. Not only does it eliminate the need for stored up water, but they also last up to two times longer than traditional water heaters. This is an added green benefit, as that equates to a decrease in landfill waste.

As mentioned before, tankless water heaters are notorious for reducing energy consumption, and this is even true if you own a small business, large hotel or a restaurant. Both locations are known for having multiple bathrooms, which obviously require a need for hot water. Because of the design, you can link multiple commercial tankless water heaters, allowing for hot water even if one unit is not operable. If you have multiple bathrooms, you won’t need to worry about providing hot water to all of them. This differs from traditional tank water heaters, in that if a tank goes out, you are left with less hot water to work with. It also takes more energy to fill and heat the water once it is repaired.


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