Head to head
Glow-worm Energy Combi 30C 30kW vs Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW
The Glow-worm Energy Combi 30C 30kW is a gas combi boiler, 30.6 kw hot water output. The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Glow-worm Energy Combi 30C 30kW | Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW | |
|---|---|---|
| Dimensions | 700 x 390 x 280 mm | 1020 x 1050 x 480 mm (H x W x D) |
| Weight | 33 kg | 119 kg |
| Hot water output | 30.6 kW | - |
| Central heating output | 25 kW | - |
| ErP class | A | - |
| Seasonal efficiency | 94% | - |
| Warranty | 7 years | - |
| Hot water flow rate | 12.5 litres per minute | - |
| Heat output | - | 11.2 kW at -7C outdoor / 35C flow |
| SCOP | - | 4.78 (MCS, 35C flow), 3.34 (55C flow) |
| Refrigerant | - | R32, 3.0 kg charge |
| Sound power | - | 60 dBA |
| Sound pressure at 1m | - | 45 dBA |
| Max flow temperature | - | 55C (space heating), 35C (combination heater) |
Sources: Glow-worm Energy Combi 30C 30kW, Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Energy Combi 30C 30kW if...
A gas combi boiler with 30.6 kW of hot water output, sized for a three-bed house with one or two bathrooms. It delivers about 12.5 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 7 years. Seasonal efficiency is 94%.
Full Energy Combi 30C 30kW specifications →Buy or hire the Ecodan PUZ-WM112VAA 11.2kW if...
The largest domestic unit in the Ecodan PUZ-WM range at 11.2kW, sized for a larger house or one with a higher heat loss. Its SCOP of 4.78 at a 35C flow is among the higher MCS-rated figures in this range, and it weighs 119 kg against 98 kg for the smaller units.
Full Ecodan PUZ-WM112VAA 11.2kW specifications →Common questions
What is the difference between the Glow-worm Energy Combi 30C 30kW and the Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW?
The Glow-worm Energy Combi 30C 30kW is a gas combi boiler, 30.6 kW hot water output; the Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kW heat output.
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