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The Benefits of Installing a Tankless Water Heater


Homeowners today are constantly looking for ways to make their homes more energy-efficient and environmentally friendly. One way to achieve both of these goals is to know The Benefits of Installing a Tankless Water Heater. This article will explore the benefits of using a tankless water heater, how they work, the types available, and how to select the right one for your home. We’ll also discuss the installation process, maintenance, and potential drawbacks, ending with a helpful FAQ section to address common questions.

 What is a Tankless Water Heater?

A tankless water heater, also known as an on-demand water heater, is a device that heats water only when needed, instead of storing hot water in a large tank. This eliminates the need for a traditional storage tank, which can be bulky and less energy efficient. Tankless water heaters can be powered by electricity, natural gas, or propane, and they come in various sizes to suit different households’ needs.

The Benefits of Installing a Tankless Water Heater: How useful it is

Energy Efficiency

Tankless water heaters are designed to heat water only when needed, reducing energy consumption. Traditional storage tank water heaters continuously heat and store much water, leading to standby heat loss. By eliminating this wasted energy, tankless water heaters can be up to 50% more energy-efficient than their tank-based counterparts.

Endless Hot Water Supply

Since tankless water heaters heat water on demand, you’ll never run out of hot water as long as you don’t exceed the unit’s capacity. This means you can enjoy long showers, fill your tub, or run multiple appliances without worrying about running out of hot water.

Space Savings

Tankless water heaters are compact and can be wall-mounted, saving valuable floor space. This is especially beneficial in smaller homes or apartments where space is limited. Some models can even be installed outdoors, freeing up more space inside your home.

Longer Lifespan

On average, tankless water heaters have a longer lifespan than traditional ones. While a typical storage-tank water heater lasts around 10-15 years, a tankless water heater can last up to 20 years or more with proper maintenance.

Lower Risk of Water Damage

Since tankless water heaters don’t store large amounts of water, there’s a lower risk of water damage due to leaks or tank ruptures. This can save you money on potential repairs and protect your home from water damage.

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How Tankless Water Heaters Work

Tankless water heaters use either electric elements or gas burners to heat water as it flows through the unit. When you turn on a hot water tap, the heater detects the water flow and activates the heating elements or burners. The water is then heated as it passes through the heat exchanger.

Types of Tankless Water Heaters

Electric Tankless Water Heaters

Electric tankless water heaters use electrical elements to heat the water. These units are generally smaller, easier to install, and have lower upfront costs. They’re also more energy-efficient, as they don’t produce greenhouse gas emissions. However, electric models may have a lower flow rate and might not be suitable for homes with high hot water demands.

Gas Tankless Water Heaters

Gas tankless water heaters use natural gas or propane to heat the water. They typically have higher flow rates, making them suitable for larger households with greater hot water needs. Gas models require proper venting and may have higher installation costs. Despite these drawbacks, gas tankless water heaters can still provide significant energy savings compared to traditional storage tank water heaters.

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Selecting the Right Tankless Water Heater


To choose the right tankless water heater, you must determine the appropriate size based on your home’s hot water demand. You can calculate this by adding up the flow rates of all the fixtures you plan to use simultaneously and selecting a heater with a flow rate that matches or exceeds this number.

Fuel Type

Consider the available fuel sources in your home electric, natural gas, or propane – and weigh the costs and benefits of each. Electric tankless water heaters may have lower installation costs and be more energy-efficient, while gas models usually provide a higher flow rate.

Installation Requirements

Ensure your home can accommodate the installation requirements of the tankless water heater you choose. Electric models may require an upgraded electrical panel, while gas models need proper venting and a gas line.

Installation Process

Installing a tankless water heater should be done by a licensed professional. The installation process may include removing the old water heater, upgrading the electrical panel or gas line (if necessary), installing the new unit, and connecting it to your home’s water supply and a power source.

Maintenance and Care

To prolong the life of your tankless water heater and ensure optimal performance, regular maintenance is essential. This may include flushing the system to remove mineral buildup, checking for leaks, and inspecting the venting system. Consult your owner’s manual for specific maintenance recommendations.

Costs and Savings

While tankless water heaters may have a higher upfront cost than traditional storage tank water heaters, they offer significant energy savings in the long run. With lower energy bills and a longer lifespan, a tankless water heater can pay for itself over time.

Environmentally Friendly Choice

By reducing energy consumption and greenhouse gas emissions, tankless water heaters are an eco-friendly choice for your home. Choosing an ENERGY STAR-certified model can further enhance your environmental impact.

Potential Drawbacks

Tankless water heaters may have a higher upfront cost and require professional installation. Additionally, some models may not provide enough hot water for larger households or simultaneously use multiple fixtures.

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Installing a tankless water heater can provide numerous benefits, including energy savings, endless hot water, space savings, and a longer lifespan. By understanding the different types, selecting the right size and fuel type, and proper installation and maintenance, you can enjoy the advantages of a tankless water heater in your home.


  1. Do tankless water heaters work well in cold climates? Yes, tankless water heaters can work well in cold climates, but you may need to choose a unit with a higher flow rate to compensate for the colder incoming water temperature.
  2. Can I install a tankless water heater myself? It’s recommended to have a licensed professional install your tankless water heater, as incorrect installation can lead to poor performance, safety issues, and voided warranties.
  1. What is the average lifespan of a tankless water heater? A tankless water heater can last up to 20 years or more with proper maintenance, which is longer than the average lifespan of a traditional storage-tank water heater.
  2. How often should I perform maintenance on my tankless water heater? It’s recommended to perform maintenance on your tankless water heater at least once a year but consult your owner’s manual for specific recommendations.
  3. Can a tankless water heater provide hot water to multiple fixtures simultaneously? Yes, a properly sized tankless water heater can supply hot water to multiple fixtures simultaneously, but it’s crucial to select a unit with an adequate flow rate to meet your home’s demands.


Are you considering installing a tankless water heater in your home? Let the experts at Jilly Plumbing in Boerne help you make the right choice. Our experienced team can guide you through the selection process, provide professional installation, and ensure your tankless water heater operates at peak performance. Contact us today at Jilly Plumbing in Boerne to learn more about how we can help you enjoy the benefits of a tankless water heater.


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