Leaderboard · 50 entries · ranked low → high

Quietest — outdoor sound

Heat pumps with the lowest outdoor sound power level. Critical for dense neighbourhoods and night setback.

#	Model	Type	Metric	SCOP	kW	Refrigerant	Class
1	TWW 85 WHR WAMAK, s.r.o.	Air-to-water	1.00 dB	6.67	47	—	APPP
2	BW 11 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	5.40	12	—	APPP
3	TBW 22 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	5.45	23	—	APPP
4	BW 14 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	5.38	15	—	APPP
5	TWW 48 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	6.80	51	—	APPP
6	TBW 28 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	5.42	29	—	APPP
7	WW 14 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	4.28	15	—	APPP
8	TWW 28 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	4.30	30	—	APPP
9	TBW 50 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	4.92	49	—	APPP
10	TWW 110 WHR WAMAK, s.r.o.	Air-to-water	1.00 dB	6.75	61	—	APPP
11	TWW 60 EVI WAMAK, s.r.o.	Air-to-water	1.00 dB	6.27	64	—	APPP
12	NE-F1000HCR5TINVM-USC Newntide B.V.	Air-to-water	1.00 dB	5.17	69	—	APPP
13	HTW-MKT2-V500 GESTION INTEGRAL DE ALMACENES, S.L.	Air-to-air	1.00 dB	—	1	—	A
14	823-078V73WT MH Handel GmbH	Air-to-air	2.00 dB	—	—	R290	A
15	TEST_JOE20190604_2 Panasonic Marketing Europe GmbH	Air-to-water	5.00 dB	—	6	—	B
16	34502 ALFA DYSER, SL	Air-to-air	20.00 dB	—	—	R290	AP
17	HP-IG-15 MCD ELECTRONICS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ	Air-to-water	21.00 dB	4.50	15	—	APPP
18	HP-TD-39-v1 MCD ELECTRONICS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ	Air-to-water	21.00 dB	3.90	39	—	APP
19	HP-TD-20-V3 MCD ELECTRONICS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ	Air-to-water	21.00 dB	4.22	20	—	APP
20	HP-IG-20 MCD ELECTRONICS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ	Air-to-water	21.00 dB	4.47	20	—	APPP
21	Tepelko ES24 Ekologické stavitelství s.r.o.	Air-to-water	25.00 dB	3.93	24	—	APPP
22	WPL 09 ICS classic STIEBEL ELTRON GmbH & CO. KG	Air-to-water	32.00 dB	4.53	5	—	APPP
23	TTL 4.5 IKCS STIEBEL ELTRON GmbH & CO. KG	Air-to-water	32.00 dB	4.45	5	—	APPP
24	TTL 4.5 ICS STIEBEL ELTRON GmbH & CO. KG	Air-to-water	32.00 dB	4.53	5	—	APPP
25	WPL 09 IKCS classic STIEBEL ELTRON GmbH & CO. KG	Air-to-water	32.00 dB	4.45	5	—	APPP
26	LL-V8A1 ENIF PEGASUS S.R.L.	Air-to-air	32.00 dB	—	11	—	A
27	MI7002 ENIF PEGASUS S.R.L.	Air-to-air	34.00 dB	—	97	—	A
28	BLN-008TE3 CleanKlima s.r.o.	Air-to-water	34.00 dB	5.27	8	—	APPP
29	BLN-008TE1 CleanKlima s.r.o.	Air-to-water	34.00 dB	5.32	8	—	APPP
30	LL-V6A1 ENIF PEGASUS S.R.L.	Air-to-air	35.00 dB	—	14	—	A
31	BLN-012TE3 CleanKlima s.r.o.	Air-to-water	35.00 dB	5.10	12	—	APPP
32	OAC-270-SDIN2 OPTIMEA	Air-to-air	35.00 dB	—	—	R32	A
33	Inverter6HT Nofenta Nederland B.V.	Air-to-water	35.00 dB	4.70	6	—	APPP
34	Inverter3HT Nofenta Nederland B.V.	Air-to-water	35.00 dB	4.47	3	—	APPP
35	7739614501 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
36	7738504060 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.47	7	—	APPP
37	7739612819 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.47	7	—	APPP
38	7739614505 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
39	8738208681 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.47	7	—	APPP
40	7738504059 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
41	Inverter9HT Nofenta Nederland B.V.	Air-to-water	36.00 dB	4.90	9	—	APPP
42	7739614353 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
43	8738208676 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
44	7739612806 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
45	8734150675 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
46	7739612815 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.47	7	—	APPP
47	7738504044 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
48	7738504056 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.47	7	—	APPP
49	7739612818 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.70	5	—	APPP
50	7739616360 Bosch Thermotechnik GmbH	Air-to-water	36.00 dB	4.42	5	—	APP

Source: European Commission, EPREL Public API. SCOP figures derived from supplier-reported ηs. See methodology.