The Pros and Cons of Tankless Water Heaters

Mom enjoying bubble bath with two kids

Tankless water heaters have become a popular alternative to traditional water heaters in recent years. While they offer several advantages over conventional models, they also have some downsides that need to be considered before making the switch. In this blog post, we will discuss the pros and cons of tankless water heaters to help you make an informed decision.


1. Energy Efficiency: Tankless water heaters are more energy-efficient than traditional water heaters as they only heat water when it's needed. This means that you don't have to keep a large tank of water heated all the time, which can result in significant energy savings.

2. Space-Saving: Tankless water heaters are much smaller than traditional water heaters, which means they take up less space in your home. This can be particularly beneficial if you have limited space or want to free up some room in your utility closet.

3. Longer Lifespan: Tankless water heaters typically last longer than traditional water heaters, with an average lifespan of 20 years compared to 10-15 years for traditional models. This means that you'll save money in the long run by not having to replace your water heater as frequently.


1. Higher Upfront Cost: Tankless water heaters are more expensive than traditional water heaters, with installation costs ranging from $1,000 to $3,000. While the energy savings over time can offset this cost, it's important to consider the upfront investment.

2. Limited Hot Water Output: While tankless water heaters can provide an endless supply of hot water, they may not be able to keep up with high-demand situations, such as multiple people showering at once. This can be a problem if you have a large family or frequently host guests.

3. Complex Installation: Tankless water heaters require more complex installation than traditional models, which can make the installation process more expensive and time-consuming. It's important to hire a licensed plumber who has experience installing tankless water heaters to ensure that the installation is done correctly.

Is It Worth the Investment?

Overall, tankless water heaters offer several advantages over traditional models, including energy efficiency, space-saving, and longer lifespan. However, they also have some downsides, such as higher upfront costs, limited hot water output, and complex installation. If you're considering making the switch to a tankless water heater, it's important to weigh the pros and cons carefully to determine if it's the right choice for your home.

Get a Tankless Water Heater Installed Today

At Spokane Plumbing and Heating, we offer professional installation and maintenance services for tankless water heaters. Contact us today to learn more about how we can help you make the switch to a more energy-efficient and space-saving water heating solution.