Head to head
Glow-worm Energy Combi 30C 30kW vs Intergas Xclusive 30
The Intergas Xclusive 30 runs 4.6 litres a minute more hot water.
Last reviewed 6 October 2026
Key differences
- Hot water flow rate: the Intergas Xclusive 30 runs 4.6 litres a minute more hot water.
Specifications side by side
| Glow-worm Energy Combi 30C 30kW | Intergas Xclusive 30 | |
|---|---|---|
| Central heating output | 25 kW | 4.00 - 23.10 kW |
| Hot water flow rate | 12.5 litres per minute | 17.10 (dT 25 C) (l/min); 12.20 (dT 35 C) (l/min) |
| Hot water output | 30.6 kW | - |
| ErP class | A | - |
| Seasonal efficiency | 94% | - |
| Dimensions | 700 x 390 x 280 mm | - |
| Weight | 33 kg | - |
| Warranty | 7 years | - |
| Power | - | 30 kW |
| Height | - | 766 mm |
Sources: Glow-worm Energy Combi 30C 30kW, Intergas Xclusive 30. 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 Xclusive 30 if...
- you want one that runs 4.6 litres a minute more hot water
A wall-hung condensing combi boiler for installers fitting domestic heating and hot water without a cylinder. The Xclusive has a touchscreen panel, built-in expansion vessel and filling loop, and the mid output suits homes with higher hot water demand.
Full Xclusive 30 specifications →Common questions
What is the difference between the Glow-worm Energy Combi 30C 30kW and the Intergas Xclusive 30?
The Intergas Xclusive 30 runs 4.6 litres a minute more hot water. The Glow-worm Energy Combi 30C 30kW is a gas combi boiler, 30.6 kW hot water output; the Intergas Xclusive 30 is a 30 kW combi boiler for homes, with a 10 year parts and labour warranty.
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