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Accumulator tanks

NIBE MT-WH21

  • Product information
  • Advantages

NIBE MT-WH21 produce hot water for a household by recycling up to 70% of the energy from the air. At the same time, you can get rid of humidity from the bathroom or kitchen, resulting in cleaner air and a better indoor climate.

NIBE MT-WH21-019-F and MT-WH21-019-FS tested Best in Class with an outstanding COP of 3.57*.

You can adjust MT-WH21-019-F or 026-F to cater exactly for your specific needs. The many options include combining it with solar heating (MT-WH21-019-FS/MT-WH-026-FS) or floor heating, or using it as a cooling agent in summer. You can access all the main operational modes, functions, set points, and information on the unit from home. The control panel is user-friendly, and the settings include operational modes such as AUTO, ECO, BOOST, SILENT and HOLIDAY.

*At air 7°C and water 10-53.5°C (EN 16147)

    High efficiency

    With a COP (EN16147) of 3.57 (at Air 7 °C and Water 10-52.9 °C)

    Energy recycled from the air

    Up to as much as 70 % of the heat energy required to warm up water for a household can be recycled from the air. Can use outdoor air, ambient air or exhaust air as energy source

    Easy to install

    For example in the basement or utility room

NIBE MT-WH21
  • Technical data
  • Document
  • NIBE MT-WH21-019-F
  • NIBE MT-WH21-026-F
  • NIBE MT-WH21-019-FS
  • NIBE MT-WH21-026-FS
  • NIBE MT-WH21-019-F
  • NIBE MT-WH21-026-F
  • NIBE MT-WH21-019-FS
  • NIBE MT-WH21-026-FS
  • NIBE MT-WH21-019-F
  • NIBE MT-WH21-026-F
  • NIBE MT-WH21-019-FS
  • NIBE MT-WH21-026-FS
Height (mm)
1610 
Diameter (mm)
603 
Net weight (kg)
94 
Refrigerant amount, CO2 equivalent (ton)
1.7 
Efficiency class water heating
A+
Declared tap profile
L 
Amount of hot water 40 °C (l)
247 
Height (mm)
1960 
Diameter (mm)
603 
Net weight (kg)
120 
Refrigerant amount, CO2 equivalent (ton)
1.8 
Efficiency class water heating
A+
Declared tap profile
XL 
Amount of hot water 40 °C (l)
347 
Height (mm)
1610 
Diameter (mm)
603 
Net weight (kg)
94 
Efficiency class water heating
A+
Declared tap profile
L 
Amount of hot water 40 °C (l)
247 
Height (mm)
1960 
Diameter (mm)
603 
Net weight (kg)
120 
Efficiency class water heating
A+
Declared tap profile
XL 
Amount of hot water 40 °C (l)
347 
  • NIBE MT-WH21-019-F
  • NIBE MT-WH21-026-F
  • NIBE MT-WH21-019-FS
  • NIBE MT-WH21-026-FS
  • NIBE MT-WH21-019-F
  • NIBE MT-WH21-026-F
  • NIBE MT-WH21-019-FS
  • NIBE MT-WH21-026-FS