Sale price $699.99 Regular price $749.99

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Ideal for a large single-family home with a busy family with multiple applications running simultaneously

The Eco Smart ECO 36 is the most powerful model from our full line of tankless water heaters, with the capacity to handle a large single-family home with the need to run hot water simultaneously from multiple applications, even in colder climates

The ECO 36 can run four showers and two sinks simultaneously without running out of hot water.


  • Savings of up to 50% on water heating costs
  • Equipped with EcoSmart self-modulating technology, ECO water heaters use energy only when hot water is being delivered. For the consumer this means no more wasting water or energy.
  • Stylish and advanced design that is pleasing to the eye
  • Digital temperature control in 1-degree increments allows control of hot water
  • Compact size saves valuable storage space
Specification ECO 36
Voltage 240
Phase Single
KW 36 kW
Amperage Draw 150 A
Required Breaker 4 x 40 A
Required Wire 4 x 8 AWG
Pipe Fittings 3/4" NPT
Dimensions (in.) 17"H x 21"W x 3.625"D
Weight 18.35 lb
Activation Flow 0.3 GPM
Certification UL-499, ETL Listed
Warranty Lifetime Limited