Heat pumps · 56 models

Hybrid heat pumps (with a gas boiler)

A (usually air-to-water) heat pump that works together with your gas boiler: the heat pump heats the home most of the year and the boiler helps on cold days and for large amounts of hot water. Only models the manufacturer itself labels as hybrid.

56 models in our database meet this; below the first 25 in order.

Criteria:

  • System: Hybrid (with gas boiler)
  • Sorted by: SCOP (35 °C) (highest first)

Only models for which these figures are known. This is a ranking by data, not a test or recommendation; the source of every value is on the product page.

# Model1,2 SCOP (35 °C) Rated output 35 °COutdoor unit sound powerRefrigerant
1 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.10-400-V002 5.27 9.8 kW49 dB(A)R290
2 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.10-400-V002 5.27 9.8 kW49 dB(A)R290
3 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.13-400-V002 5.09 12.42 kW50 dB(A)R290
4 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.13-400-V002 5.09 12.42 kW50 dB(A)R290
5 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.10-400-V002 5.06 9.8 kW53 dB(A)R290
6 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.10-400-V002 5.06 9.8 kW53 dB(A)R290
7 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.10-230-V002 5.01 9.8 kW49 dB(A)R290
8 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.10-230-V002 5.01 9.8 kW49 dB(A)R290
9 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.13-230-V002 4.96 12.42 kW50 dB(A)R290
10 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 250-A AWMOF-251.A1.13-230-V002 4.96 12.42 kW50 dB(A)R290
11 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.13-400-V002 4.93 12.42 kW54 dB(A)R290
12 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.13-400-V002 4.93 12.42 kW54 dB(A)R290
13 Buderus Hybrid-Set WLW196i-11 A H 4.92 10 kW53 dB(A)R410A
14 Buderus Hybrid-Set WLW196i-11 A H 4.92 10 kW53 dB(A)R410A
15 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 ODU 250-A AWMOF-251.A1.19-400-V002 4.86 13.61 kW48 dB(A)R290
16 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 ODU 250-A AWMOF-251.A1.19-400-V002 4.86 13.61 kW48 dB(A)R290
17 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 ODU 250-A AWMOF-251.A1.16-400-V002 4.85 13.29 kW48 dB(A)R290
18 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 ODU 250-A AWMOF-251.A1.16-400-V002 4.85 13.29 kW48 dB(A)R290
19 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.10-230-V002 4.83 9.8 kW53 dB(A)R290
20 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.10-230-V002 4.83 9.8 kW53 dB(A)R290
21 Hybridio 20 4.78 7 kW57 dB(A)R290
22 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.16-400-V002 4.78 13.67 kW55 dB(A)R290
23 Viessmann IDU-A Hybrid HWMIW.A1.19-V054 / ODU 150-A AWMOF-151.A1.16-400-V002 4.78 13.67 kW55 dB(A)R290
24 Hisense Hi-Hybrid R290 4.73 3.59 kW51 dB(A)R290
25 Hybridio 40 4.71 11.6 kW59 dB(A)R290

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Sources

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