versusindex
MT
Heat pump water heaters · MT

NIBE MT-MB21-019-F-E

The NIBE MT-MB21-019-F-E is a heat pump water heater with water heating efficiency ηwh 168 %, load profile L and energy label A+.1

Last updated: Technical specifications⇄ Compare this model
Search this model
Water heating efficiency ηwh
168%1
Load profile
L1
Official source
Energy label
A+1
Official source
Indoor sound power
43dB(A)1
Official source
ηwh, colder climate
168%1
Official source

Technical specifications

General
Load profileL1
Registered in EPREL2025-041
Efficiency
Water heating efficiency ηwh168 %1
ηwh, colder climate168 %1
ηwh, warmer climate168 %1
Energy labelA+1
Annual electricity use, colder climate608 kWh1
Annual electricity use, warmer climate608 kWh1
Noise
Indoor sound power43 dB(A)1
Connectivity & smart
Off-peak hours onlyNo1

How it ranks

Water heating efficiency ηwh: better than 91% of comparable models in our database (Heat pump water heaters · Load profile L; n = 175).

Rank 16 of 176

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Variants

This model belongs to a series of 3 variants with the same load profile and energy class. The figures on this page apply to the variant above; other variants differ in: Water heating efficiency ηwh 163–168 %. After each type number you can see what differs:

  • MT-MB21-019-F-E
  • MT-MB21-019-FS-E — Water heating efficiency ηwh: 165 %; Annual electricity use, colder climate: 621 kWh; Annual electricity use, warmer climate: 621 kWh; ηwh, colder climate: 165 %
  • MT-MB21-019-FV-E — Water heating efficiency ηwh: 163 %; Annual electricity use, colder climate: 630 kWh; Annual electricity use, warmer climate: 630 kWh; ηwh, colder climate: 163 %

Similar models

Other brands, same type and a comparable size.

More from NIBE

Featured in these lists

How we collect and check this data →

Frequently asked questions

What is the water heating efficiency ηwh of the NIBE MT-MB21-019-F-E?

The water heating efficiency ηwh of the NIBE MT-MB21-019-F-E is 168 %.1

Which load profile does the NIBE MT-MB21-019-F-E have?

The NIBE MT-MB21-019-F-E has load profile L.1

Which energy label does the NIBE MT-MB21-019-F-E have?

The NIBE MT-MB21-019-F-E has energy label A+.1

What is the indoor sound power of the NIBE MT-MB21-019-F-E?

The indoor sound power of the NIBE MT-MB21-019-F-E is 43 dB(A).1

Sources

  1. European Product Registry for Energy Labelling (EPREL) – water heaters — Europese Commissie · accessed 13 Oct 2026