Boilers: Compare features & prices Baxi Duo-tec Combi 28 HE
| Test criteria | Rating |
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| Performance | |
Efficiency
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Power use
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NOx emissions
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| Convenience | |
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Features
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Installing
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Every day ease of use
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Help
Efficiency
Results measure the heat output versus energy input, with the boiler working at full and partial capacity.
Power use
Electricity consumption in operation and heat loss from the casing.
NOx emissions
Measured emissions of the polluting gases NOx by the boilers while working at a steady state.
Features
Whether the boiler includes helpful features such as a timer or space to install one, temperature controls, a status display or operating status LEDs.
Installing
How easy it was to install, according to our Corgi expert
Every day ease of use
How easy it is to program and control the boiler.