The Instano range consists of three instantaneous water heaters with a capacity of 27.0 kW to 60.9 kW. This appliance can meet a load profile of XL to XXL and has an ErP efficiency of 88% to 92%. The compact dimensions and low weight make it the perfect hot water solution for application in larger households.

Features Instano

  • Maximum working pressure 10 bar
  • Energy efficient, modulating burner
  • High-efficiency 107% (gross)
  • Stainless steel heat exchangers
  • Low NOx
  • Maximum set point 75°C
  • Equipped with a LCD display with stand-by option
  • Displays water temperature, self-diagnostics of components and options
  • Electronic ignition
  • Small foot print and easy to handle due to low weight
  • Room-sealed product
  • Suitable for natural gas and propane

Ecodesign specifications

Instano 25 35 60
Load profile: XL XXL XXL
Energy efficiency class: A A A
Energy efficiency: 90% 92% 88%
  • More information?

    Please fill in the form below and we will contact you as soon as possible.

  • Your question/message:


As a manufacturer of high-end appliances A.O. Smith claims to maximize user convenience and comfort. Therefore, we must be able to support and guarantee that our products run impeccably. Customer satisfaction throughout the service life of our products, that´s A.O. Smith´s promise.
By offering a comprehensive range of services (such as sizing, commissioning, service and maintenance) A.O. Smith validates that promise.