The Pros and Cons of Tankless Water Heaters – Is a Tankless Water Heater Right for You?

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The first question that a homeowner will ask when installing a water heater is, which type works best for me; is it a conventional tank, a tankless one, or a hybrid? A tankless water heater may be ideal for various reasons. This article looks at the pros and cons of installing one in your home.


Saving Space – Tankless water heater, and especially the more modern designs, are compact. This means that they occupy very limited space. Therefore, even people who have little space to spare can install them and still enjoy their benefits.

Longer Life Span – Since tankless water heaters are built using more superior technology, they can last longer. The warranty for the best tankless water heater is usually 15 years. This means that it matches with the requirements of the green movement by conserving the environment.

Low Maintenance – A tankless water heater requires much less care, therefore saving a homeowner money on regular repairs. You will not have to contend with regular breakdowns and water spillages.

Many Varieties – Each homeowner has the option of purchasing the tankless water heater that will best serve him or her. There are those that use electricity or gas, there are some that are smaller or larger, and there are those which work with one or several faucets. The one you end up buying depends on your choice.


The Installation Cost – This is by far the greatest drawback of tankless water heaters. At times, tankless water heaters cost as much as three times the price of conventional ones. Added to this price is the cost of hiring a qualified plumber to install it.

Customization Costs – Not all homes may be fitted to accommodate tankless water heaters. Rewiring a house to accommodate the new unit could cost up to as much as $5,000, a price that most people may not afford.

These pros and cons are a good starting point in helping you decide whether to install a tankless water heater or not. However, there a few more considerations that you need to make.

Location – For a tankless water heater to work, you must be close to a power source. The source of power should be such that the water heater can be mounted on an interior or exterior wall in the house.

Type – There are many types of tankless water heaters in the market. The individual requirements of each heater can help you determine whether you can afford and accommodate them in your house. For example, an electric heater requires a circuit breaker, proper amperage, and voltage. Gas heaters require proper venting in the house.

Life Expectancy – Electric water heaters have a lifespan that is almost double – close to 20 years that of conventional water heaters.

The Demand – The cost of the water heater you need will depend on the amount of hot water required in your house at any given point. That will help determine whether to buy a bigger one or a small one.

With all these considerations in mind, you are better positioned to decide whether or not you should buy a tankless water heater.



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