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Reliant Plumbing

Austin Plumber

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512-222-6029
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  • Our Services
    • Recent Projects – Austin Area
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      • Whole House Filters
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      • Pipe Repairs
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    • Water Heaters
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      • Tank Style Water Heaters
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Master Plumber’s Guide to Tankless Water Heaters

Tankless water heaters are more popular than ever. They offer long term savings, are more eco-friendly, and they offer an endless supply of hot water on-demand! However, it can be overwhelming to understand how tankless water heaters work, what it takes to install them in your house, and select the water heater you want to buy.

Reliant Plumbing’s master plumbers have put together this handy guide to help you through the tankless water heater learning curve. If you’re still comparing options, you also might want to check out our guides for Tank Style Water Heaters and Hybrid Water Heaters.

Tankless Water Heater Install Repair

Why isn't your tankless water heater working?

We all know how it feels when you turn on your shower and wait for the water to get hot, but the water never does. How frustrating! We’re here to help you diagnose common tankless water heater problems so you know if it’s a quick fix or if you need to call in the professionals.

Common Tankless Water Heater Problems
Tankless Water Heater Install Repair

Tankless Water Heater FAQ's

How do tankless water heaters work?

Rather than storing large amounts of heated water in a tank, tankless water heaters heat water as it flows through the unit. When a hot water fixture is turned out, cold water is brought into the water heater through a pipe. As it passes through, either a gas burner or electric heating element heats the water. This means tankless water heaters can deliver a constant supply of hot water on demand.

What are the pros of using a tankless water heater?

Most homeowners go with tankless water heaters because they are more energy efficient, which is better for the environment and your bank account. Tankless units can reduce energy use by 24-34%. They also have a much higher lifespan, outlasting conventional water heaters by 10-15 years. Even though tankless water heaters are more expensive upfront, the energy savings and longer lifespan can result in a lower overall cost. In addition to cost savings, tankless water heaters take up less space and can be installed in tight areas. They can even be installed on the exterior of your home. Finally, tankless water heaters provide hot water right when you need it and don’t run out of heated water. They can continuously deliver a supply of hot water for as long as you need.

Are there any cons to using tankless water heaters?

As we mentioned, tankless water heaters have a higher upfront cost. If you are switching from a conventional water heater to a tankless model, installation can also be expensive. The other major downside is that tankless water heaters can be output challenged. While they produce a constant supply of hot water, they can only produce so much hot water at a time. It’s important that you install a tankless water heater that is sized for your home, so you don’t create too much/too little demand when running multiple fixtures at one time. 

Where should my tankless water heater be located in my home?

Most homeowners choose to locate them where their old water heater was, but tankless water heaters are very small and flexible in their placement. However, tankless water heaters do have very particular venting requirements as they vent more exhaust than conventional water heaters. You will need to consult with a licensed plumber on the specific location in or outside your home to ensure venting requirements can be met.

How long will a new tankless water heater last before I have to replace it?

Tankless water heaters can stay in healthy operation for up to 20 years, which is often double the lifespan of a conventional water heater. With proper maintenance, some tankless water heaters are even outliving their 20-year expectation. With inflation rising, the sooner you switch over to a gas tankless water heater system, the better you will be in the long run. Contact Reliant Plumbing today and make an appointment with one of our water heater specialists.

Learn More About Tankless Water Heaters

We service water heaters in Austin, San Antonio, Round Rock, and Westlake. Contact Reliant Plumbing for any tankless water needs, you can rely on us!

Tankless Water Heater Install Repair
Cost to Install or Replace Tankless Water Heaters
Tankless Water Heater Install Repair
Tankless Water Heater Sizing Guide
Tankless Water Heater Install Repair
Common Tankless Water Heaters Issues & How to Fix Them
Tankless Water Heater Install Repair
Preventative Maintenance for Your Tankless Water Heater
Tankless Water Heater Install Repair
Best Brands of Tankless Water Heaters
Tankless Water Heater Install Repair
How to Install or Replace a Tankless Water Heater
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Filed Under: Tankless Water Heaters, Water Heaters

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Contact

Lakeway:
(512) 222-6029
San Antonio:
(210) 468-8020
Austin:
(512) 675-4220

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License # M-42389

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Office Locations:

Lakeway
2306 Ranch Road 620 North
Austin, Texas 78734

Austin
12111 Menchaca Rd,
Austin, Texas 78748

San Antonio
518 Austin Hwy
Alamo Heights, TX 78209

Service Areas

  • San Antonio
  • Bastrop
  • Bee Cave
  • Cedar Park
  • Central Austin
  • Downtown Austin
  • Lakeway
  • Leander
  • Pflugerville
  • Rollingwood
  • Round Rock
  • South Austin
  • Steiner Ranch

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tsbpe.texas.gov | Texas State Board of Plumbing Examiners, P.O. Box 4200 Austin, Texas | (512) 936-5200 | RMP# 42389