Head to head
Glow-worm Energy Combi 25C 25kW vs Ideal Heating Vogue Max Combi C26 26kW
The Ideal Heating Vogue Max Combi C26 26kW comes with 3 years more warranty and runs 0.2 litres a minute more hot water. The Glow-worm Energy Combi 25C 25kW is 1 points more efficient.
Last reviewed 13 September 2026
Key differences
- Warranty: the Ideal Heating Vogue Max Combi C26 26kW comes with 3 years more warranty.
- Hot water flow rate: the Ideal Heating Vogue Max Combi C26 26kW runs 0.2 litres a minute more hot water.
- Hot water output: the Ideal Heating Vogue Max Combi C26 26kW has 0kW more hot water output.
- Seasonal efficiency: the Glow-worm Energy Combi 25C 25kW is 1 points more efficient.
Specifications side by side
| Glow-worm Energy Combi 25C 25kW | Ideal Heating Vogue Max Combi C26 26kW | |
|---|---|---|
| Hot water output | 25.7 kW | 26 kW |
| Central heating output | 18 kW | 18 kW |
| ErP class | A | A |
| Seasonal efficiency | 94% | 93% |
| Dimensions | 700 x 390 x 280 mm | 740 x 445 x 330 mm |
| Weight | 32 kg | 32.4 kg |
| Warranty | 7 years | 10 years |
| Hot water flow rate | 10.4 litres per minute | 10.6 litres per minute |
Sources: Glow-worm Energy Combi 25C 25kW, Ideal Heating Vogue Max Combi C26 26kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Energy Combi 25C 25kW if...
- you want one that is 1 points more efficient
A gas combi boiler with 25.7 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 10.4 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 25C 25kW specifications →Buy or hire the Vogue Max Combi C26 26kW if...
- you want one that comes with 3 years more warranty
- you want one that runs 0.2 litres a minute more hot water
- you want one that has 0kW more hot water output
A gas combi boiler with 26 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 10.6 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 93%.
Full Vogue Max Combi C26 26kW specifications →Common questions
What is the difference between the Glow-worm Energy Combi 25C 25kW and the Ideal Heating Vogue Max Combi C26 26kW?
The Ideal Heating Vogue Max Combi C26 26kW comes with 3 years more warranty and runs 0.2 litres a minute more hot water. The Glow-worm Energy Combi 25C 25kW is 1 points more efficient. The Glow-worm Energy Combi 25C 25kW is a gas combi boiler, 25.7 kW hot water output; the Ideal Heating Vogue Max Combi C26 26kW is a gas combi boiler, 26 kW hot water output.
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