Pros And Cons Of A Tankless Water Heater

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A tankless water heater lacks a storage tank. Tankless water heaters take up far less space than storage water heaters. When you turn on the hot water, cold water flows into a conduit and is heated by a gas burner or an electric element. This ensures you always have hot water.

Water heaters provide 2 to 5 gallons per minute on average. It is reported that gas-fired tankless water heaters can flow faster than electric ones.

The use of multiple tankless water heaters is common in households with large families. This ensures constant hot water for showers, laundry, and the dishwasher.


Cooled water is piped into the unit and heated by an electric heating element or a gas burner. Although hot water is never short, the flow rate may be limited. They provide 2 to 5 gallons of hot water per minute. For electric models, flow rates will be higher.


On demand water heaters’ energy efficiency can dramatically reduce monthly bills for most consumers. Inquire about how many people live in the house and how much water they use on a daily basis.

More Efficient

These heaters are 24 to 34% more energy efficient in homes with smaller families or those using less than 41 gallons of water per day, but even those using more water can save money. The client’s implications? According to Energy Star, switching to a tankless water heater can save households hundreds of dollars per year.

Longer Life

Customers who need to replace their current storage water heater may find it useful to read about the latest tankless heaters on the market. Traditional storage heaters last ten years, but tankless heaters last twice as long. Customers who plan to move in the next few years may not see the value in a longer-lasting heater, but for homeowners who intend to stay put, it could be the deciding factor.

Space Saving

When it comes to water heaters, homeowners often ask if a tankless unit will suffice. Homeowners won’t have to sacrifice functionality for energy efficiency or space. Tankless water heaters, unlike storage water heaters, heat water as needed. Customers’ complaints about chilly showers will be solved with a tankless water heater.

This style of water heaters can save space, which can be a selling point for some households. In particular, customers who have a 60-by-24-inch storage water heater in their own closet may be relieved to learn that tankless water heaters are smaller than shoe boxes. Instead of storing hot water, they may store more clothing, towels, or even household items. This is important for homeowners planning a remodel because they won’t have to build around a large appliance.

More Safety

For families with young children, safety is paramount. You can reassure customers worried about tankless water heater safety.

Traditional storage water heaters can overheat and even explode. The risk of overheating or explosion is greatly reduced with tankless devices. And if your customer recently had a water heater leak, they know the potential damage a storage heater can cause. Knowing that a tankless heater holds less water means that leaking is less likely, and if it does occur, the water damage is much less.


Cost of On-Demand or Instant Hot Water Heaters The biggest drawback of on-demand water heaters is the initial cost.

Keeping Up With Demand

Smaller units won’t be able to keep up with demand. Having to shower while the dishwasher is running is inconvenient. Larger apartments that can accommodate a whole family are more expensive.

Installation Is More Difficult

These systems have high-powered burners that require proper venting (a dedicated, sealed vent system, which requires professional installation). Due to their large diameter, natural gas burners are more expensive to install.


The efficiency of electric and gas tankless water heaters differs significantly. Water heaters that run on gas are typically 80-85% efficient, while electric tankless water heaters can reach 99%. In addition to saving money, a gas tankless water heater also lasts longer.

On demand water heaters eliminate the need for a large, bulky water heater. In terms of efficiency, a tankless electric water heater will be more efficient than a tankless gas water heater. This is more than twice the power of a traditional water heater, which uses 5,000 watts.

Gas water heaters last longer and are safer to use. One major drawback is shutting off if scale forms. It is important to follow the manufacturers recommended maintenance schedule. This will improve the longevity of the heater.

Installation And Cost

Estimate or confirm installation costs when pricing a unit. This is not a do-it-yourself project unless you are a pro. Many home improvement and plumbing supply stores carry tankless water heaters.

Summary: Pros And Cons Of A Tankless Water Heater

A tankless water heater is a type of water heater that does not have a storage tank. Because they heat the water immediately, tankless water heaters take up far less space than storage water heaters. When you switch on the hot water, cold water flows through a conduit into the tankless water heater unit, where it is heated by a gas burner or an electric element. This ensures that you have access to hot water at all times.

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