Is a Tankless Water Heater Worth It?

A tankless water heater can be a great upgrade for the right home, but it is not automatically the best choice for every household. The real answer depends on how much hot water your family uses, what kind of water heater you have now, your gas or electric setup, your budget, and what you expect from the system over time.

At Barney’s Plumbing and Sewer Services, this question comes up often. Dave Barney explains, “We do get several questions about them, whether it would fiscally make sense for them or if they would actually need it in their own home.”

That is the right way to look at it. Tankless water heaters can offer comfort, convenience, and efficiency, but they need to be matched to the home. Before switching, it helps to understand the pros, cons, cost, and maintenance involved.

How Tankless Water Heaters Work

Traditional water heaters store heated water in a tank. When you take a shower, run the dishwasher, or wash clothes, that stored water is used. Once the tank runs low, the water heater has to refill and reheat before more hot water is available.

Tankless water heaters work differently. They heat water as it flows through the unit. Instead of storing a large amount of water, tankless units create hot water on demand. This is why many homeowners are interested in tankless water systems, especially if they are tired of running out of hot water.

Dave describes a common situation: “Where before you have a 50 gallon water heater, you run out of hot water, you have to wait for it to recover.” With properly sized tankless water heaters, that recovery wait can often be avoided.

That said, sizing matters. A tankless water heater must be able to handle the amount of water your home may need at one time. A professional plumber can help determine whether the unit is right for your fixtures, usage, and layout.

Hot Water Demand in Your Home

One of the biggest reasons people choose tankless water heaters is the potential for endless hot water. Dave puts it simply: “It’s endless hot water.”

For a busy family, that can be a major benefit. If a house has multiple bathrooms, kids, laundry running, and back to back showers, a tankless water heater may make daily life easier. Dave gives the example of “mom and dad and four kids” and says, “You’d be in the realm of it.”

For a smaller household, the value may be different. Dave also notes, “A retired couple that are living by themselves, I don’t know if I would push that for that situation.”

That is important advice. Tankless water heaters are not just about the equipment. They are about the way your home uses water. If your current water heater already handles your needs well, a tankless system may not offer enough benefit to justify the cost. If your family regularly runs out of hot water, the upgrade may be worth a serious look.

Cost Savings and Payback Time

Many homeowners ask about savings. Tankless water heaters can improve energy efficiency because they do not keep a full tank of water heated all day. In the right setting, that can reduce wasted energy.

However, energy savings are not always as dramatic as people expect. Dave is honest about this: “As far as saving money on your utility bill, I usually tell people it won’t because people change their habits.”

That happens because comfort changes behavior. If someone used to take a short shower because the hot water ran out, they may take a much longer shower once tankless water is available. Dave explains, “They go from taking five minute showers cause that’s all they can take to they take a 30 minute shower.”

So while tankless water heaters can be energy efficient, your actual savings depend on usage. The payback time can vary based on installation cost, fuel type, water usage, energy rates, and maintenance. A tankless water heater is worth it when the comfort, space, performance, and expected lifespan make sense for your specific home.

Space Installation and Fuel Needs

Tankless water heaters are usually smaller than standard tank models, which can free up space in a utility area, basement, garage, or mechanical room. That is one of the practical benefits homeowners like.

The installation, however, can be more involved than replacing a standard water heater. Dave explains, “The first thing is the cost. They are about twice as much as a regular water heater to install.” He adds that “they can range anywhere for a full install between six and eight thousand dollars, really depending on the install that you have in your house.”

That cost can depend on many factors. Gas tankless systems may require proper venting, gas line capacity, and safe placement. Electric tankless water options may require electrical upgrades depending on the home. In some cases, electric service is not enough without additional work. In other cases, gas is the better fit.

This is why Barney’s Plumbing and Sewer Services evaluates the whole system before making a recommendation. The goal is not to sell the most expensive heater. As Dave says, “I’m not the guy that’s ever gonna tell you to spend money on something that you don’t need.”

Maintenance Service and Next Steps

Tankless water heaters will typically last longer than many traditional tank units when they are properly installed and maintained. Even so, tankless heaters still need care. Regular maintenance can help reduce mineral buildup, support efficiency, and protect the water heater from avoidable problems.

Maintenance needs may depend on water quality, usage, manufacturer recommendations, and the type of heater. A neglected tankless water heater may lose performance over time, just like any other water heating system.

If your current water heater is leaking, making noise, producing rusty water, or failing to keep up with hot water demand, it may be time to compare options. Barney’s Plumbing and Sewer Services can inspect your current water heater, discuss tankless water choices, review gas or electric requirements, and help you decide what fits your home.

Dave sums it up well: “If you’re ready to upgrade your water heater or you wanna replace your existing tank one, give us a call here at Barney’s Plumbing.”

Tankless can be a smart investment, but the best decision starts with expert guidance. Barney’s Plumbing and Sewer Services is ready to help you choose the right water heater for your comfort, budget, and long term needs.

David Barney
Author
David Barney

David Barney founded Barney’s Plumbing in 2020 after more than 20 years in the industry as a Journeyman plumber. Barney's Plumbing & Sewer Services is proudly licensed by the Washington Department of Labor and Industries; we carry both a plumbing license (#BARNEP*788JE) and a construction contractor's license (#BARNEPS804D3).

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