Energy star certified water heaters are an easy choice for energy savings performance and reliability.
Top energy efficient tankless water heater.
Water heater key product criteria.
Products must meet minimum requirements for energy efficiency hot water delivery warranty period and safety.
The specification covers high efficiency gas storage whole home gas tankless solar and high efficiency electric storage water heaters.
The initial cost of a tankless water heater is greater than that of a conventional storage water heater but tankless water heaters will typically last longer and have lower operating and energy costs which could offset its higher purchase price.
Most tankless water heaters have a life expectancy of more than 20 years.
While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the warranty.
Learn how a product earns the label.
They re more energy efficient than a storage tank but provide only a limited flow of hot.
Water heaters are the second highest source of energy usage in the home.
They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate.
The beauty of a tankless water heater is its ability to provide a continuous supply of hot water.
Tankless water heaters only heat water when you need it so minimal energy is wasted.
Rather than storing water tankless water heaters use heating coils to heat the water as you need it.
Furthermore a top rated tankless water heater lasts at least 20 years compared to a maximum of just 15 years for an electric tank heater and 12 years for a gas tank heater.