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When you need a new water heater, you might be overwhelmed by the number of options and the amount of information out there. We’re here to make things easier for you by explaining the perks and details of gas tankless water heaters.

Whether you currently have an electric or gas water heater, we’re here to help! Once you switch to a gas tankless water heater, we guarantee you won’t look back.

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Tankless Water Heaters: Gas VS Electric

Gas Tankless Water Heater

Electric Tankless Water Heater

Gas Tankless Water Heater Pros:

• Gas tankless water heaters are typically more powerful than electric, meaning they can supply hot water to multiple fixtures at once without any issues.

• Gas tankless water heaters are usually cheaper to operate than electric tankless water heaters, making them more cost-effective over time.

• They are more efficient than traditional storage tank water heaters and can help reduce your energy bills.

Gas Tankless Water Heater Cons:

• Gas tankless water heaters require a gas line to be installed, so they may not be suitable for all homes.

• They require ventilation and can produce carbon monoxide if not ventilated properly.

• Gas tankless water heaters are more expensive to purchase than electric models.

Electric Tankless Water Heater Pros:

• Electric tankless water heaters are easier to install than gas units, as they don’t require a gas line.

• They are more efficient than traditional storage tank water heaters and can help reduce your energy bills.

• Electric tankless water heaters are usually cheaper to purchase than their gas counterparts.

Electric Tankless Water Heater Cons:

• Electric tankless water heaters are not as powerful as gas models, meaning they may struggle to supply hot water to multiple fixtures at once.

• They require a dedicated power source, meaning your electric bill could increase significantly if you use them frequently.

• Electric tankless water heaters can be more expensive to maintain than gas units due to their complex wiring.

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What Size Tankless Water Heater Do You Need?

When it comes down to it, the size of the water tank you need will depend on the size of your house, the number of people in your house, and your lifestyle. If you live in a 1000 sq. ft. home, you will need a much smaller tank than someone living in a 4000 sq. ft. home.

The more people you have in your household, the bigger tank you’ll need. If you have one or two people in your household, you should do fine with a tank that is 23-36 gallons. If you have two to four people, we recommend one around 36-46 gallons. For each additional person in your household, we recommend adding about 10 gallons.

Although you need to consider the size of your tank, you can’t take that number at face value. You have to do a little bit more research, to figure out which tank is right for you. This means, that you need to figure out the tank’s first hour rating (FHR), before you purchase it. This number is important, because it explains how much hot water your tank can produce in one hour’s time, when it’s heated to its maximum temperature.

Think about how many activities that your family engages in during the hour that the hot water is used the most. It takes 20 gallons to take a shower per person, 3 gallons to shave, 6 gallons to do the dishes by hand, 14 gallons to run the dishwasher, and 30 gallons to run the washing machine. So, think about how many gallons your family would clock. You need to ensure that your tank’s FHR is big enough to handle your ‘rush hour’ of using the hot water.

How Long Does A Tankless Water Heater Last?

If you’re investing in a tankless water heater, you want to make sure you’re purchasing an appliance you can trust. It’s an investment to get a new water tank, and you want it to last. With proper maintenance, a water heater with a copper tankless heat exchanger can last 12-20 years. However, opting for a stainless steel heat exchanger can extend the life of your water heater even longer, lasting 25-30 years.

You must take care of your investment to get the most out of it. As mentioned, your water heater can last for decades, but only with proper yearly maintenance and water treatments.

It’s good practice to maintain your water heater. To do this, you should get yearly work done on your system. If you do not maintain your heater, you can expect that the lifespan of your heater will be shorter than it could be.

Water heater maintenance can be complex. It requires professional help because the process consists of using a compressor to clean all of the dirt and debris out of the tank. To ensure thorough cleaning, your tank’s internal components must also be cleaned.

Call a professional once a year to keep your water heater running well for as long as possible. They have the expertise to do an internal and external cleaning safely. You’ll thank yourself when your water heater lasts.

Tankless Water Heater Installation

The first step in installing a tankless water heater is to determine the size and type of unit you need. You should consider factors such as the location of your home or business, the hot water needs of your family or employees, and how much space you have available for installation.

After choosing the right size and type of unit, it is important to ensure that all necessary components are present and in good condition. This includes the inlet and outlet piping, gas line, electrical wiring, and venting system.

Once all of these components are in place, it is time to connect them to your tankless water heater. This can include attaching the gas line or electrical wiring to the unit, as well as running a vent from the unit to the exterior of your home or business. Finally, it is important to check all of the connections and test the unit to make sure that it is running properly.

If you are not experienced in installing tankless water heaters, it is recommended that you hire a professional plumber to handle the installation process. A professional can ensure that your unit is installed correctly and safely, as well as help you decide which size and type of tankless water heater is best for your home or business.


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That’s where Water Heater Wiz Tankless Water Heater comes in.

We are a team of professionals with expertise in installing tankless water heaters. We are committed to helping people find the tankless water heater perfect for their lifestyle.

You shouldn’t have to go through the stress of figuring out which water heater is right for you. So, if you have any questions about tankless water heaters, contact us at Water Heater Wiz. It would be our pleasure to give you more information and a quote.

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