Heat pumps · 3 models

SolaX heat pumps

All 3 models from SolaX 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

Rated output 35 °C
4.21 to 6 kW
SCOP (35 °C)
5.1 to 5.25
Heating capacity (A7/W35)
4.6 to 6.25 kW
SCOP (55 °C)
3.88 to 4
Energy label 35 °C
A+++ (3)
Outdoor unit sound power
48 dB(A)
Refrigerant
R290 (3)

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

ModelHeating capacity (A7/W35)1SCOP (35 °C)2Outdoor unit sound power2Refrigerant2
ALT04-SF04.6 kW5.2548 dB(A)R290
ALT05-SF05.3 kW5.1248 dB(A)R290
ALT06-SF06.25 kW5.148 dB(A)R290

Compare all models →

Comparisons with SolaX

Lists featuring SolaX

Other brands

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed Sep 29, 2026
  2. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Sep 27, 2026