Yes, the Marathon will save you energy year after year and after 5 years it won't have to be replaced.
- Typically it will pay for itself in energy savings over a conventional water heater
- The cost of the water heater is usually only half your cost however
- Installation is the other cost and you won't have to pay for that and another water heater in 5 years
People often overlook the damage to their floor and belongings when their cheaper water heater fails. These failures often happen when you are not at home and when you least expect it.