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EcoSmart ECO 8 is an 8-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications. It can provide between 0.8 and 1.9 gallons-per-minute depending on the inlet water temperature. To select the best solution for your hot water needs, please refer to the sizing guide. With EcoSmart you will be happier knowing the warm water you expect is available endlessly, consistently, and on-demand, allowing you to reduce your water and energy waste.


  • Endless hot water with consistent temperature
  • Save Space – Compact size saves valuable storage space
  • Save Energy – Patented self-modulating technology adjusts energy based on hot water needs
  • Save Time – No venting, unit can be installed directly at the point-of-use
  • Save Money – Save up to 50% on water heating bills according to the Department of Energy
  • Digital thermostatic temperature control in 1-degree increments
  • Temperature range of 80-140°F (add in C)
  • Durable stainless steel heating elements, Limited lifetime warranty
  • Before purchase and installation, please verify that you have the proper electrical requirements for your chosen heater
  • ETL Listed to UL-499 and CAN/CSA-C22.2 No. 64


  • Dimensions: H 11.5 in, W 8 in, D 3.75 in
  • Amperage (amps): 57 A
  • Flow Rate @ 35°F Rise (gallons/min): 1.56 gal (US)/min
  • Flow Rate @ 45°F Rise (gallons/min): 1.21 gal (US)/min
  • Flow Rate @ 55°F Rise (gallons/min): 0.99 gal (US)/min
  • Flow Rate @ 65°F Rise (gallons/min): 0.84 gal (US)/min
  • Fuel Type: Electric
  • Indoor/Outdoor: Indoor
  • Maximum Temperature (F): 140 °F
  • Minimum Activation Rate (gpm): 0.25
  • Minimum Temperature (F): 80 °F
  • Number of Elements: 1
  • Number of Showers: 1-2
  • Pack Size: 1
  • Product Weight (lb.): 7 lb
  • Required Volt Connection: 240 volt
  • Uniform Energy Factor: 0.97
  • Water Heater Features: Wall Mounted
  • Wattage (watts): 8000 W