What Is A Tankless Water Heater?

Tankless water heaters heat water on demand, saving electricity. A gas or electric tankless unite heats cold water to provide hot water until the tap is turned off. Instant water heaters are sometimes called demand water heaters.

Tankless Water Heater

Tankless Water Heater
Installation Steps

Determine your hot water needs

This essential information collection includes your home's population, daily hot water usage, and needs. Knowing this before installation can help you choose a tankless water heater for house that meets your hot water needs.

Choose the Right Location

Where to install your tankless water heater is the second stage. Models and local legislation determine whether these heaters are built indoors or outdoors. An indoor tankless water heater should be near the main water line and gas or electricity supply, whichever is utilized.

Prepare for installation

Turn off your old water heater's electricity and water supply before beginning the installation process. Drain the old water heater (if applicable) and remove it from its location. If you want to install the new tankless water heater in the exact location, prepare the area.

Installing the Tankless Water Heater

Installation of the tankless water heater. Model and energy source affect method. Before installing a gas tankless water heater, install a gas line and vent pipe. Electric tankless water heaters require an outlet and switch off.

To ensure proper installation, follow the manufacturer's instructions if DIY. If you're unsure of your ability, we recommend hiring a local tankless water heater installer. This is less work and possibly cheaper than DIY blunders.

Connect the Water, Gas, or Electrical Lines

After installing the tankless water heater electric, connect the water to the energy source. Check all connections professionally to guarantee they're secure. Turn on the water supply to check for leaks, then the electricity if none are found. Install and test a tankless water heater to guarantee proper performance.

Tankless Water Heater Pros & Cons


Energy efficient

According to the US Department of Energy, tankless water heaters are 24% to 34% more energy efficient than storage tank heaters if you use 41 gallons of water daily. They remain 8%–14% more efficient even when increased. Switching to tankless water heaters in all hot water locations can save 50% of energy. This is far better than a storage tank.

Saves money

You can save money by using less energy. A tankless water heater, mainly if you reside in a location with high energy prices, will pay for itself in years.

Saves space

Tankless water heaters are compact because they do not have a storage tank, making them an excellent choice if you are limited in space.

Hot Water Supply

Tankless water heaters heat cold water on demand, providing hot water indefinitely as long as the tap is kept running.While there are some restrictions, a tankless water heater might enable you to enjoy a hot shower for as long as you like without being chilly.


We have limited hot water for several outlets

Tankless heaters can only heat so much water. Since the heater is trying to heat water for the dishwasher, washing machine, and shower at once, the water temperature will fluctuate. Multiple units or less hot water can solve this problem.

Power Outage

Tankless water heaters, including gas models, require electricity to operate and regulate, so if the power goes out, does your hot water. If you live in an area prone to power outages, there may be better options than a tankless water heater.

Unit Cost

Tankless water heaters cost more to purchase and install.The expense may deter you, but a tankless water heater's extended lifespan and energy savings will pay for itself in a few years. Gas tankless water heaters cost $1,000 to $1,500 more than electric ones.

Tankless Water Heater Rebates

Except for tankless condensing water heaters and ductless mini-split indoor units (air-source heat pumps), which are eligible for a $1,000 rebate, Ontarians can save up to 25% per item (up to $500).

Tankless Water Heater Installation Cost

The cost of installing a tankless water heater depends on various aspects, including the size, fuel type, and brand. Most homeowners spend roughly $3,000 on a tankless water heater installation. However, depending on the specifics of your installation, charges can range from $1,000 to $5,500.

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