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Heat pumps · 321 models

Quietest 10–14 kW heat pumps

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

Criteria:

  • Rated output 35 °C from 10 up to 14 kW
  • Sorted by: Outdoor unit sound power (lowest 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 Outdoor unit sound power Rated output 35 °CSCOP (35 °C)Refrigerant
1 Bosch CS7000iAW 17 IRB-T 37 dB(A) 12.13 kW4.92R410A
2 Bosch CS7000iAW 17 IRMB-T 37 dB(A) 12.13 kW4.7R410A
3 Buderus Logatherm WLW196i-14 IRB 37 dB(A) 12.13 kW4.92R410A
4 Buderus Logatherm WLW196i-14 IRTP120 37 dB(A) 12.13 kW4.7R410A
5 Bosch Compress 6800 AW 10 OR-T-Hybrid 42 dB(A) 10 kW4.41R290
6 Bosch Compress CS5800iAW 10 ORE-T (AW 10 OR-T + CS5800iAW 12 E) 42 dB(A) 10 kW4.77R290
7 Bosch Compress CS5800iAW 10 ORM-T (AW 10 OR-T + CS5800iAW 12 M) 42 dB(A) 10 kW4.73R290
8 Bosch Compress CS6800iAW 10 ORE-T (AW 10 OR-T + CS6800iAW 12 E) 42 dB(A) 10 kW4.77R290
9 Bosch Compress CS6800iAW 10 ORMB-T (AW 10 OR-T + CS6800iAW 12 MB) 42 dB(A) 10 kW4.74R290
10 Bosch CS5800iAW 10 ORE-T 42 dB(A) 10 kW4.77R290
11 Bosch CS5800iAW 10 ORM-T 42 dB(A) 10 kW4.73R290
12 Bosch CS5800iAW 10 ORMB-T 42 dB(A) 10 kW4.74R290
13 Buderus Logaplus M WLW176i-10 AR E (Logatherm WLW-10 MB AR + WLW176i-12 E) 42 dB(A) 10 kW4.8R290
14 Buderus Logaplus M WLW176i-10 AR TP70 (Logatherm WLW-10 MB AR + WLW176i-12 TP70) 42 dB(A) 10 kW4.74R290
15 Buderus Logatherm WLW176i-10 AR E 42 dB(A) 10 kW4.77R290
16 Buderus Logatherm WLW176i-10 AR T180 42 dB(A) 10 kW4.73R290
17 Buderus Logatherm WLW176i-10 AR TP70 42 dB(A) 10 kW4.74R290
18 Buderus M WLW186i-10 AR T180 42 dB(A) 10 kW4.73R290
19 Buderus WLW-10 MB A H-Hybrid 42 dB(A) 10 kW4.44R290
20 Bosch Compress 6800 AW 12 OR-T-Hybrid 45 dB(A) 12.2 kW4.32R290
21 Bosch Compress CS5800iAW 12 ORE-T (AW 12 OR-T + CS5800iAW 12 E) 45 dB(A) 12.2 kW4.66R290
22 Bosch Compress CS5800iAW 12 ORM-T (AW 12 OR-T + CS5800iAW 12 M) 45 dB(A) 12 kW4.64R290
23 Bosch Compress CS5800iAW 12 ORMB-T (AW 12 OR-T + CS5800iAW 12 MB) 45 dB(A) 12.2 kW4.64R290
24 Bosch Compress CS6800iAW 12 ORE-T (AW 12 OR-T + CS6800iAW 12 E) 45 dB(A) 12.2 kW4.66R290
25 Bosch Compress CS6800iAW 12 ORM-T (AW 12 OR-T + CS6800iAW 12 M) 45 dB(A) 12.2 kW4.64R290

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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