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Published 2026-04-12 · Buying Guide · By Carrollton Plumbing Service

Tankless vs. Tank Water Heater: Which Is Right for Your Carrollton Home?

Replacing your water heater is a 10–20 year decision, so it's worth getting right. Here's how tankless and tank systems actually compare for a typical Carrollton home.

Upfront cost

A tank heater is cheaper to buy and install ($1,200–$2,200) than a tankless system ($3,000–$5,500). If budget is the deciding factor today, a quality tank unit is a solid choice.

Lifespan

Tank heaters last 8–12 years; tankless units last 15–20. Over the long run, a tankless can outlive two tank heaters.

Energy & hot water

A tank keeps 40–75 gallons hot 24/7 whether you use it or not. A tankless heats water only on demand, which lowers your energy bill and means you never run out of hot water mid-shower. For larger families or homes that run out of hot water, that's a real upgrade.

Installation considerations

Tankless units often need a larger gas line or upgraded electrical, plus proper venting. We check your setup before recommending one so there are no surprises.

Our honest take

If you plan to stay in your home a long time, run out of hot water, or want lower energy bills, tankless usually pays off. If you want the lowest upfront cost or have a simple setup, a tank is perfectly good. Either way, we'll size it right and install it to code. See our water heater services for details.

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