How to Install a Tankless Water Heater

In the current day, the majority of homeowners have storage tanks for hot water. These tanks come in different shapes and sizes and play a crucial role in ensuring that hot water is available for use every day. However, they require to be reheated several times in a day thus more often billed as a less efficient system.

On the other hand, the tankless water heating system has been found to be both efficient and effective when it comes to heating water at home. In addition, it saves on electricity bills since it only heats water when needed.

If you would like to install on demand heater, then this guide is ideal for you. All you have to do is read it on to the very end.

How to Install a Tankless Water Heater

Here below are the tips on how to set up the best tankless water heater in your home, and start enjoying the hot water bath at any time of the day.

Identify the Strategic Position to Set Up the Heater

Before you get started, you have to find a strategic place to install the gadget. Note that in order to have the heater fixed, you do not need to worry about space since the appliance is small in size, as well as tankless.

In general, on-demand heaters or tankless water heaters require a higher voltage or higher gas supply to heat the water to the required temperature in no time. As a result, choose a site that favors cost-effectiveness in terms of installation.

Strategic Position to Set Up the Heater

Find the Right Professional

Installing the heater can be tricky, especially if you are not a certified plumber or electrician. Moreover, hiring the right person for the job can be an expensive venture, but it is worth it in the long run.

In order to avoid potential risks associated with poor installation, you are advised to look for an expert who is certified and insured to mount the heater on the wall. If you choose to do it yourself, then you risk losing the claim in case of an accident.

Shut Off Water and Gas Supply

To avoid gas or water leaking, you can completely shut down the gas and water supply into the house. This way you will be able to work on installation free of interruptions or risks.

If you do not know how to do it, kindly seek the services of a professional to help you with the installation process. After you have cut off energy and water supply, as well as drain the excess water from the heater, you can remove the old heater to create room for the tankless heater.

Shut Off Water and Gas Supply

Locate Studs

The contemporary heater can be set up on the wall with the help of studs. To get started, make use of the stud locator to locate the studs and drill a hole between them. Install the unit to the wall following the manufacturer’s manual.

Connect Water Supply Pipes

Link water supply pipes to the tankless heater and makes sure that the pipe from the water utility is connected to the inlet, and the pipe routing to the house is linked to the outlet.

How to Install a Tankless Water Heater

Install Valves

For the system to function properly, you ought to install shutoff valves on the two lines, inlet and outlet, near the unit. In some cases, you may consider adding a pressure shower valve to the unit. Ultimately, use the union fittings to route to the outlet as well as inlet so as to realize a secure connection that can last you years.

Install Valves

Connect gas or electricity

The system can be powered by both gas and electricity. Before you start testing the heater ascertain that it is working, connect it to the gas or electricity outlet. A plumber or electrician may of great help in connecting your unit to a source of energy.

Finally, test the unit to see to it that it is working properly.


The tankless heater is easy to install and use at home or place of work. While getting one, it is advisable to look for a unit that can supply the right volume of hot water when needed.

In other words, buy a system that matches with your daily expectations while saving you operational costs. It is worth mentioning that tankless heater can serve you well if it is installed appropriately.

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