Buderus WLW-7 MBB A H GBH172i
The Buderus WLW-7 MBB A H GBH172i is an air-to-water heat pump with a SCOP of 4.75 (35 °C) and a sound power level of 48 dB(A).1
Key figures
Rules in Malta
Water Heater Scheme (heat pump water heaters)
UnknownREWS runs a national grant scheme for energy-efficient water heaters in homes; heat pump water heaters are eligible (alongside solar water heaters). The scheme has been extended to 31 December 2026, and part A of the application must be submitted before you buy and install the equipment. Grant amounts: see the REWS page (not verified by us).
Technical specifications
| General | |
|---|---|
| Type (source) | Air-to-water1 |
| Performance | |
| Heating capacity (A7/W35) | 6.29 kW1 |
| Rated output 35 °C | 8 kW1 |
| Rated output 55 °C | 8 kW1 |
| Min. outdoor temperature | -22 °C1 |
| Efficiency | |
| SCOP (35 °C) | 4.751 |
| SCOP (55 °C) | 3.551 |
| Seasonal efficiency ηs 35 °C | 187 %1 |
| Seasonal efficiency ηs 55 °C | 139 %1 |
| Energy label 35 °C | A+++1 |
| Energy label 55 °C | A++1 |
| COP A7/W35 | 4.311 |
| Noise | |
| Outdoor unit sound power | 48 dB(A)1 |
| Indoor unit sound power | 46 dB(A)1 |
| Refrigerant | |
| Refrigerant | R2901 |
| Refrigerant GWP | 31 |
| Refrigerant charge | 1.13 kg1 |
How it ranks
SCOP (35 °C): better than 32% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).
Rank 113 of 172
Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.
Similar models
Other brands, same type and a comparable size.
More from Buderus
- Buderus WLW-7 MBB A H SCOP (35 °C): 4.75
- Buderus WLW166i-8 SP AR B SCOP (35 °C): 4.71
- Buderus WLW176i.2-7 MBB AR E SCOP (35 °C): 4.96
- Buderus WSW186i.2-8 SCOP (35 °C): 5.08
- Buderus WSW196i.2-6 (+W) / 186-6 SCOP (35 °C): 7.7
- Buderus Logatherm WLW196i-8 ARTP120 SCOP (35 °C): 4.61
Featured in these lists
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Frequently asked questions
Which refrigerant does the Buderus WLW-7 MBB A H GBH172i use?
The Buderus WLW-7 MBB A H GBH172i uses R290.1
Sources
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
- Water Heater Scheme (heat pump water heaters) — Regulator for Energy and Water Services (REWS)