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How Tank and Tankless Water Heaters Differ | Cregger Plumbing, Heating, Cooling & Electrical

By Cregger Plumbing, Heating, Cooling & Electrical

May 17, 2023

When it comes to choosing a water heater for your home, you may be torn between the two most popular options: tank and tankless water heaters. Both types have their pros and cons, and understanding the key differences between them can help you make an informed decision.

In this blog post, we will discuss the main differences between tank and tankless water heaters, as well as some common issues that customers may face. By the end, you should have a better idea of which option is best for your needs and your home.

1. How They Work

Tank water heaters store and heat a large amount of water in a tank, typically ranging from 30 to 80 gallons. When you turn on your hot water tap, the hot water stored in the tank is released, and cold water enters the tank to be heated.

Tankless water heaters, on the other hand, heat water on-demand as it flows through the unit. When you turn on your hot water tap, cold water travels through a pipe and into the tankless unit, where it is heated by a gas burner or electric element.

2. Energy Efficiency

One of the main differences between tank and tankless water heaters is their energy efficiency. Tankless water heaters can be significantly more energy-efficient than conventional tank water heaters.

This is because tankless water heaters only heat the water when it is needed, eliminating the standby energy losses associated with tank water heaters. However, it’s important to note that the actual energy savings will depend on factors such as your water usage habits and the efficiency of the specific model you choose.

3. Lifespan & Maintenance

Another key difference between tank and tankless water heaters is their lifespan and maintenance requirements. Tank water heaters typically last 10 to 15 years, while tankless water heaters can last up to 20 years or more with proper maintenance.

Tankless water heaters also tend to have fewer issues with sediment buildup and corrosion, which can lead to leaks and other problems in tank water heaters. However, tankless water heaters may require more frequent maintenance, such as annual flushing to remove mineral deposits and maintain efficiency.

4. Installation & Cost

The installation process and cost for tank and tankless water heaters also differ. Tankless water heaters are generally more expensive upfront, but they can save you money in the long run due to their energy efficiency and longer lifespan.

They also require less space and can be mounted on a wall, making them a good option for homes with limited space. Tank water heaters, on the other hand, are more affordable upfront but may cost more in energy bills over time. They also require a larger space for installation.

5. Hot Water Supply

Finally, the hot water supply of tank and tankless water heaters differs. With a tank water heater, you have a limited amount of hot water available at any given time, depending on the size of the tank.

Once the hot water in the tank is used up, you will have to wait for the tank to refill and reheat before you have hot water again. Tankless water heaters, on the other hand, provide a continuous supply of hot water as long as the unit is operating within its capacity.

However, tankless water heaters may struggle to keep up with high hot water demands, such as multiple showers running simultaneously.

Our Professionals Are Here to Help

At Cregger Plumbing, Heating, Cooling & Electrical, we understand that choosing the right water heater for your home can be a challenging decision. Our expert team is here to help you determine whether a tank or tankless water heater is the best fit for your needs and provide professional installation and maintenance services.

Contact us today to learn more about our water heater services and schedule a consultation!

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Theresa Buffa

4 days ago

Matthew was fantastic! He was thorough, explained every detail, and was wonderful to work with!

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Amy Presnell

4 days ago

Chris was amazing and was able to identify the issue that other plumbing company couldn’t. 10/10 recommend!

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Ray Opezzo

6 days ago

Stellar service, courteous staff, phone/computer contact follow up to advise tech is enroute to your job site.

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mary washnock

6 days ago

Paul is an excellent technician as well as a representative of your company. His explanations were very understandable and very much appreciated. Thank you! I will definitely call your company in the future for HVAC service and also for any plumbing and electrical services.

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WiredRM

8 days ago

Work was fast and professional, couldn't ask for more.

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ERNEST SIMMS

8 days ago

Professional, friendly, willing to explain service questions.

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Pamela Morris

9 days ago

Hot water heater was blinking code called came out same day and fixed it

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jeannette Benner

10 days ago

Desmon was very polite and friendly. He was efficient and got the job done.

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Amelia H.

10 days ago

Jake was great. He was fast, responsive, professional, and respectful. I like that you guys sent a photo of him beforehand, and he came in a well marked van. My hot water heater died early on a Saturday morning. You guys came out for a free consult within 4 hours of my call, and had the job completely done 3 hours after that. Happy to have it replaced so quickly and easily, thanks.

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Marcel P

11 days ago

Jacob B was outstanding. He was very personable, diagnosed the issues quickly, and did the necessary work efficiently and neatly. Left the space clean after his work.

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N Mathias

12 days ago

Alex did a great job restoring my AC. He replaced a capacitor. Thanks very much, Alex.

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Elaine Frazier

13 days ago

Our HVAC Tech Paul Bunk was professional, thorough and friendly.

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TIMOTHY NEWCOMB

15 days ago

Tim was very likable and did a great job installing the new water heater. He also had to upgrade us to new codes (our old water heater was installed in 2004!). Installation was completed same day as estimate in a very reasonable timeframe.

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Alexandria Faranso

18 days ago

Took the time to go above and beyond to help diagnose our HVAC issues!

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Alex Erley

19 days ago

Paul was great! He identified why my AC wasn’t working right away, explained everything, and fixed it quickly. Highly recommended!

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Megan Gonella

19 days ago

Jacob Becker was excellent - he explained what we needed in terms we could easily understand and ultimately saved our basement from flooding. Thank you, Jacob!!

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Bernie Wu

20 days ago

Kody was on time and was very professional as always. He cleaned up after the job was completed. Very cordial and friendly as well!

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Adean Solomon

20 days ago

Landen was very respectful and pleasant. He immediately saw the problem and fixed it very pleased with the service I received.

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Rodney Barber

20 days ago

It was a great experience Paul did a fantastic job he fix my AC unit got it up and running new thermostat I really appreciate yall

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Orc Lord

20 days ago

Tim came out for me and helped. Just needed a drain snake. Professional at his work with the right equipment and knowledge. With the drain camera, he clearly explained to me what was it was showing and future tips on how to avoid more issues.

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