Pros and Cons of Tankless Water Heaters

Written by Nancy

Tankless water heaters are one of the newer products offered in the world of water heaters. They first became popular in 1990, after many failed attempts in the 70s.

Tankless water heaters are some of the most efficient water heating systems out there. There are many benefits to getting them installed.

Here are some of the advantages and disadvantages of tankless water heaters that can help you make your decision about investing in one:


Instant hot water

Traditional water heaters take their time to heat the water. The storage tanks range between 36 to 60 gallons with only one source of heat. This can take hours to heat up. With tankless water heaters, you get hot water instantly. The new and improved technology installed in the system means that water heats up as soon as it passes through the system.

Efficient system = Lower heating costs

Traditional water heaters store water in large tanks that are alight 24/7. This pilot light takes up a lot of energy. In this time of depleting natural resources, it’s essential that we make eco-friendly choices. Tankless water heaters only use energy to heat the water when it’s required. Since it doesn’t have to store and keep water warm all the time, it allows you to save a significant amount each year.

Longer lifespan

Traditional water heaters have a lifespan of 10 to 15 years when maintained regularly. While this is quite a long lifespan for a home appliance, tankless water heaters have a longer lifespan of 20 years.

Compact in size


The first thing you notice about tankless water heaters is their compact size. Since there’s no need for a storage tank, these water heating systems are much smaller and can easily fit in a cabinet or under the sink. Traditional water heaters are generally placed in the basement, attic, garage, storage room or even outside due to their large size. The distance from the water heater to the bathrooms means that the water takes longer to reach the taps in the bathroom too.

The Cost:

It’s expensive initially

Tankless water heaters can be more expensive than traditional water heaters. On average, tankless water heaters can cost around $500, while storage water heaters reach the $400 mark. However, with the increased price, you’re also getting an additional 10 years as well as increased efficiency.

If we’re talking about non-monetary benefits, then tankless water heaters also save water and natural resources since unlike a traditional water heater, energy is only used when hot water is needed.

About the Author

Richard Smith, the author of this blog is an expert in the field of water heaters. He’s been part of Miami Water Heater for many years now, contributing to their pieces.

MiamiWater Heater is a leading water heater installation service that has been in business for over 70 years. They deal in Richmond and Rheem water heaters for commercial and residential clients. They provide installation as well as maintenance and repair services in the area. Get in touch with them at 305-633-2656 and install a water heater suitable for your home.

About the author


I’m Nancy and no, I didn’t always look like I do in that picture on the right. My foray into health and fitness began as a brace-faced, 16 year-old who was too afraid to wear a two-piece at the beach because I felt my body paled in comparison to my much more toned friends.

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