Heat pump water heaters · 4 models

RHOSS heat pump water heaters

All 4 models from RHOSS in our database, with the key figures side by side. Every value comes from an official register or the manufacturer; the source is on the product page.

At a glance

Load profile
L (2), XL (2)
Water heating efficiency ηwh
101 to 132 %
Energy label
A (2), A+ (2)
Indoor sound power
55 to 58 dB(A)

This is an overview by data, not a test or recommendation. Models from other brands with the same technology are in the comparisons and on the category page.

All models

ModelLoad profile1Water heating efficiency ηwh1Energy label1
TWCTZ-B 200L132 %A+
TWCTZ-B 300XL131 %A+
TWCZ-B 300XL117 %A
TWCZ-B 200L101 %A

Compare all models →

Comparisons with RHOSS

Other brands

Sources

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