How new gas condensing boiler technology works

Condensing boilers get their name because they condense the heat from the
exhaust (flue) gas into water vapour and channel it back into heating system.
Gas condensing technology achieves efficiency of up to 98% (relative to H2).
This saves gas, lowers both heating costs and environmental impact.

• To read the Centre for Alternative Technology's factsheet: click here.
• For BBC Bloom's information about boiler replacement, click here.
• For more information on new gas technology, visit EcoTechnicians heating expert pages.
Remeha, Atag, Vaillant and Viessmann are good examples of condensing boiler models who also offer Weather Compensation.

It is also important to know that the best savings are only achieved if the boiler is properly set up and works in 'condensing mode', ie does not operate at a very high output. This will be setup by our heating experts.