Pros and Cons of a Tankless Water Heater?

Wondering what are the pros and cons of a Tankless water heater? We got you!

Most of the oldest water heaters are standard unit provided with a tank that store hot water so that it is available in your house.

Pros-and-Cons-of-a-Tankless-Water-Heater

When replacing the old unit with a new one, or when in need of purchasing a new water heater unit for a new house, many people wonder whether a tankless water heater could be more convenient. 

If this is the decision you are making, we’d like to help by discussing the pros and cons of a tankless water heater.

As often happens, everyone needs to get informed and then evaluate their own needs and budget to make the most suitable decision.

Read: How Does A Tankless Water Heater Work?

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Tankless Water Heater: Pros and Cons

Pros

1. You never run out of hot water

This is probably the main advantage of having a tankless water heater. With standard units, you have a tank storing a limited amount of hot water: if you use all the water, you need to wait before hot water is available again.

This never happens with tankless water heaters that heat the water according to the need.

2. Energy-saving

Tankless water heaters are great because they use less energy than tank units. This is mainly because tank-style units need to heat the entire tank of water, which requires a lot of energy. They also need to maintain it hot during the day.

Tankless water units heat the water only when you open a hot water faucet, and they need to heat only a small quantity of water at a time.

3. Long-term cost efficiency

Being energy-saving, tankless water heaters are also cost-efficient in the long term. In the long term, tankless water heaters determine money-saving.

4. Smaller dimensions

In tank-style water heaters, you have the heating unit and the tank: the latter can be very big (it needs to supply the entire house) and takes up a lot of room.

Tankless water heaters are smaller units, and it’s easier to find a place for their installation.

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Cons

1. Tankless water heaters are more expensive

Tankless water heaters are more expensive than the alternative. Furthermore, when you purchase a new water heating unit, you also need to pay the installation costs: when you pick a tankless water heater, the installation costs are also higher.

2. Hot water is not immediate

With tank-style units, the water stored in the tank is already hot. It means that as soon as you turn the hot water faucet open, you have hot water running.

With tankless water heaters instead, when you open the hot water faucet, the water would be still cold at the beginning. It’ll get hot as the water keeps flowing. This can determine some waste and added costs.

3. Inconsistent water temperature

Because of how tankless water heaters work, you have inconsistent water temperatures when multiple appliances are in use.

For example, if you use the shower and the kitchen tap at the same time, you don’t have the same temperature, or you’ll have a lower temperature on both appliances.

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