What You Need to Know About Tankless Water Heaters

We all need hot water in our homes, and if your current one needs a replacement already, you may want to switch to a tankless water heater. Also known as an “on-demand” unit, tankless water heaters in San Diego are gaining popularity. 

What Is a Tankless Water Heater?

A tankless water heater only heats the water on-demand or when needed. This technology is energy-efficient and comes in a more compact design compared to a traditional water heater. 

When you have a tankless water heater, your hot water supply is not limited by the size of your tank. Likewise, it uses energy to heat water, but it will not store or keep the water hot. 

Here are the advantages of using a tankless water heater:

Save More

The main advantage of a tankless water heater is that it is energy efficient, which will save you more money on utility bills over the long term. By only heating water when needed, it does not experience heat loss. When a tap, appliance, or shower is turned on, cold water passes through the heater and is heated either by a gas-fired burner or electric coils. 

Unlimited Supply

A tankless water heater has a maximum flow rate, which means that it can only heat a certain amount of water at a given time. However, as long as your water usage is below the maximum flow rate, your tankless water heater can provide an endless supply of hot water. 

Save Space

A tankless water heater is compact and mounted to a wall, which doesn’t take up significant space. An average tankless unit measures approximately 27 inches tall, 18 inches wide, and 10 inches deep. 

Prevent Leaks and Water Damage

Since a tankless water heater doesn’t have a tank, there is minimal risk of flooding or leaks. However, that doesn’t mean that it is immune to these issues—it can run into problems that can lead to leaking, but the chances of significant issues are slim.

Limits and other requirements 

Aside from these advantages, a waterless tank heater does come with its limits. For one, it has a maximum flow rate, which means you can’t have multiple appliances or showers running at the same time. That is why it is ideal for homes that do not usually have multiple taps running at the same time. For larger homes with bigger families, you can install more than one tankless water heater to accommodate hot water supply needs. 

Moreover, although there are electric tankless water heaters, natural gas is still preferred. A water heater can take up to 20 percent of the house’s energy, which is why some households may need to upgrade their electrical capacity to accommodate a tankless water heater. If you don’t have a natural gas connection, you can check out the pump water heater to save more money. 


These are the important things you need to know if you’re planning to get a tankless water heater in San Diego. Indeed, it is a great choice today because of its many advantages, but like other things, it comes with its limits as well.

Do you need a tankless water heater in San Diego? Pic Plumbing offers installation services to get your hot water running. Contact us today!