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Ultimate Tankless Water Heater Guide 2021 – Must Read

Ultimate Tankless Water heater Guide

Are you battling with skyrocketing water heating bills?

Or tired of running out of hot water?

A tankless water heater could solve all your water problems in one clean sweep.

It is the way to go if you are looking to replace your current water heater. This is because they are designed to be more energy-efficient and functional than traditional water heaters.  

Truth be told, it might be difficult and expensive to switch from a traditional water heater to a tankless heater. The latter might need some tweaking to your electrical system or plumbing layout.

However, it has more economic advantages in the long run. This article is a detailed guide to help you make informed decisions when shopping for a tankless water heater. 

Factors to consider when shopping for tankless water heaters

Anti-scale devices

Scaling is one of the biggest contributors to shortening the functional life of water heaters. However, some brands promise that they can nip this despicable problem in the bud by introducing anti-scaling features.

These anti-scaling devices are designed to reduce the buildup of mineral scale at the tank’s bottom.

They do this by continuously swirling the water. We recommend going with these devices. However, if these anti-scale water heaters do not suit your budget, you can go for reliable products with a year’s warranty or more.


Warranty is usually a hot topic when it comes to electronics. No matter the case, go only for products that have warranties. In fact, the longer the warranty period, the better.

Water heaters typically have a warranty period of three to twelve years.

Though more expensive, water heaters with longer warranty periods have larger burners or elements that can fasten water heating. They also come with thicker insulation to limit the amount of heat that is lost per hour.


There are two types of tankless water heaters, namely gas-based and electricity-based units. In general, gas-based tankless water heaters are usually more efficient than regular water tank water heaters.

Still, their efficiency peaks at 85 percent while electrical units can go as high as 90%.

Though gas is less expensive than electricity costs, most people still opt for electrical models ahead of their gas counterparts because they are cheaper to install and last pretty long.

Flow rate

This is one other vital factor to look at when making considerations for water heaters. As a rule of thumb, choose only water heaters with enough capacity to meet your hot water needs.

For instance, a small model won’t meet your needs if you need hot water for a shower, kitchen, and washing clothes. Therefore, curate a list of places you need hot water and opt for a water heater that satisfies these.

Go through the features of water heater products and check through reviews from different customers to determine what you are looking for.

Final Take On Our Tankless Water Heater Guide!

Tankless water heaters have become a common appliance in many homes today. This is because of their high-water heating efficiency, cost-saving properties, and long life-span.

They are also pretty easy to install. Still, there are a lot of factors you need to consider before buying one. They include the flow rate, efficiency, warranty, and unique features they come with.

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