Plumbing Guide
Tank vs. Tankless Water Heaters: Which Is Right for You?
A plumber-honest comparison of the two most common options.
Tank heaters cost less up front, but they cycle 24/7 to keep 40–60 gallons hot. They typically last 8–12 years.
Tankless units heat on demand, saving 20–40% on hot water energy, but cost more up front and require proper gas and venting.
For most families of 4+, tankless pays back within its 20+ year lifespan. Smaller households often break even with a high-efficiency tank.
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