Tank vs. Tankless
Are you wandering which type of water heater is better for your needs? We have created a basic comparison table, which highlights the benefits in each approach.
You may call us at (619) 337 4411 to learn more.
| Tank | Tankless |
|---|---|
| Less initial investment | Cheaper in the long run |
| No flow restriction | Minimum 1/2 gallon per minute |
| Takes up valuable space | Takes less space, wall installation. Indoor or outdoor. |
| When started, can take up to 1 hour to heat the stored water. Instant after that | It takes 5-6 seconds to activate burner. |
| Not power dependent | Will not work during power outages |
| Not energy efficient | 30%-40% more energy efficient |
| Wastes energy to heat water even when not needed | Does not store or reheat water. No pilot or standby heat losses |
| Hot water supply limited by tank size | Unlimited hot water |
| Rust and sediment forms inside the tank | Water passes thru copper or stainless steel heat exchanger |
| Tank leaks can cause thousands of dollars in water damage. | Minimizes water damage risk since there is no tank |
| Only limited parts can be replaced | Al parts can be easily replaced. Majority of the components can be recycled |
| Annual maintenance requires to empty the tank | Descaling heat exchanger every few years |
| Limited warranty. 6, 9 or 12 years | 12-15 years on heat exchanger; 5 on all other parts |
| Life expectancy of 7-8 years | Life expectancy of over 20 years |