200L / 250L IPX4 All-in-One Domestic Heat Pump Water Heater: Specifications, Selection & Buying Guide
Why IPX4-Rated All-in-One 200L/250L Heat Pump Water Heaters Are the Residential Standard
Water heating accounts for 18–30% of total household energy consumption. The 200L and 250L IPX4-rated all-in-one heat pump water heater has emerged as the residential default — integrating the heat pump module and pressurized storage tank into a single floor-standing cabinet with an IPX4 waterproof rating that makes it suitable for semi-outdoor installation (balconies, utility rooms, covered patios). These units extract heat from ambient air, deliver it to water at COP 3.82–4.49, and reduce energy consumption by 60–75% compared to traditional electric resistance water heaters.
Manufacturer data from leading brands confirms a tightly clustered, mature specification envelope:
|
Parameter |
200L Model |
250L Model |
|---|---|---|
|
Tank capacity |
195–200 L |
240–250 L |
|
Rated heating capacity |
1.8–2.9 kW |
2.4–3.0 kW |
|
Rated input power |
470–700 W |
620–805 W |
|
COP @14°C |
3.82–4.49 |
3.88–4.48 |
|
COP @7°C (EN16147) |
3.04–3.27 |
3.02–3.23 |
|
Hot water production |
39–42 L/h |
52–64 L/h |
|
Max. water temperature |
75°C (electric backup) |
75°C (electric backup) |
|
Heat pump max. temp. |
55–65°C |
55–65°C |
|
Electric backup |
1,500–2,000 W |
1,500–2,000 W |
|
Refrigerant |
R290 (eco) or R134a |
R290 (eco) or R134a |
|
Working temp. range |
-7°C to 43–45°C |
-7°C to 43–45°C |
|
Noise level |
43–52 dB(A) |
43–53 dB(A) |
|
Waterproof rating |
IPX4 |
IPX4 |
|
Power supply |
220–240V / 1Ph / 50Hz |
220–240V / 1Ph / 50Hz |
|
Tank material |
Enamel-coated or stainless steel |
Enamel-coated or stainless steel |
|
Dimensions (mm) |
Φ570×1750 to 600×630×1658 |
Φ640×1780 to 600×630×1951 |
|
Net weight |
85–116 kg |
106–142 kg |
|
Filled weight |
~285–316 kg |
~356–392 kg |
Data aggregated from Haier, Nulite, Kwikot, and Enertik manufacturer specifications for 200L/250L all-in-one IPX4 heat pump water heaters.
What IPX4 Actually Means for Your Installation
IPX4 is a critical rating for these units:
