Tank vs tankless: which should you choose?
Choose a tank if you want the lowest upfront cost or an easy swap in an older home. Choose tankless if you want endless hot water, more space and the longest lifespan.
tank water heater
tankless water heater
| Tank | Tankless | |
|---|---|---|
| Upfront cost | Lower ($700–$2,400) | Higher ($600–$1,900 + venting) |
| Hot water supply | Limited to tank size | Endless, on demand |
| Lifespan | 8–12 yrs (20+ with A1 care) | 20+ yrs |
| Space | Floor space, 5 ft tall | Wall-mounted, suitcase size |
| Energy use | Standby heat loss (hybrids very efficient) | Only heats when you use it |
| Best for | Older homes, budget swaps, big rebates | New builds, remodels, large families |