Buffer tank MT-WH21

Product overview
The NIBE MT-WH21 is an air-to-water heat pump designed for domestic hot water production. Measured COP (EN16147) is 3.57 (Air 7 °C, Water 10–52.9 °C). Compact vertical unit suitable for basements and utility rooms.

Energy recycled from the air
Up to approximately 70% of the energy required to heat domestic hot water can be recovered from air sources. The unit can operate with outdoor air, ambient indoor air or exhaust air as the heat source, reducing primary energy consumption.

Installation and applications
Designed for both new installations and retrofits in residential or light-commercial buildings. Typical installation locations include basements and utility rooms. Compatible with standard domestic hot water systems and tap profiles.

Features

• COP (EN16147) 3.57 (Air 7 °C, Water 10–52.9 °C)
• Recycles up to ~70% of heat energy for domestic hot water
• Operable with outdoor air, ambient air or exhaust air as heat source
• Suitable for installation in basements or utility rooms

Available variants

• NIBE MT-WH21-019-F
• NIBE MT-WH21-026-FS
• NIBE MT-WH21-019-FS
• NIBE MT-WH21-026-F Stainl. N/F

Documents (titles listed on page)

• Installer manual (IHB)
• Energy Labels (ELI) MT-WH21-019-F
• Energy Labels (ELI) MT-WH21-019-FS
• Energy Labels (ELI) MT-WH21-026-F
• Energy Labels (ELI) MT-WH21-026-FS
• Consumer information leaflet (CIL)

Technical specifications

• Height (mm): 1610
• Net weight (kg): 94
• Efficiency class water heating: A+
• Refrigerant amount, CO2 equivalent (ton): 1.7
• Declared tap profile: L
• Amount of hot water 40 °C (l): 247