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Trianco Iona External 100/125 HE Oil - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can check your boilers rating by selecting it's make and model below. Ratings are based on the SEDBUK Rating which is an indicator of its efficiency when used within an average domestic household, it's a great benchmark for comparing new boilers and also assessing whether your current boiler would be better off being replaced due to low efficiencies.

For new boiler installations call British Gas Boilers on 0800 327 7119 for a no-obligation quote, alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Trianco Iona External 100/125 HE Efficiency

SAP seasonal efficiency88.5%
Rating bandBand B


ManufacturerTrianco Boilers
ModelIona External 100/125 HE
Fuel TypeOil
Flue TypeOpen or Room-Sealed
FanFan Assisted
Output (kW)30 - 36.4
Boiler ID2396
Manufactured From/To2007 - current


The Trianco Iona External 100/125 HE is a 'B' rated boiler which has good efficiency of 88.5%.

The Iona External 100/125 HE is a Condensing Conventional boiler with a maximum power output of 36.4kw that uses Oil as its fuel source.

As this boiler is 'B' rated it will provide efficient heating and subseqently reduce fuel bills and carbon dioxide emissions.

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(Condensing Oil Conventional)

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