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Firebird Combipac 90-120 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.

Firebird Combipac 90-120 Efficiency

SAP seasonal efficiency82.9%
Rating bandBand C


ManufacturerFirebird Boilers
ModelCombipac 90-120
Fuel TypeOil
Flue TypeOpen
FanNo Fan
Output (kW)26.38 - 35.17
Boiler ID
Manufactured From/To2003 - current


The Firebird Combipac 90-120 is a 'C' rated boiler with an efficiency of 82.9%.

The Combipac 90-120 is a Non-Condensing Combi boiler with a maximum power output of 35.17kw that uses Oil as its fuel source.

Although a 'C' rated boiler is not as efficient as many other modern boilers it's still pretty good, only a marginal reduction in fuel bills and carbon dioxide emissions would be observed by replacing it.

Similar Firebird Boilers to the Combipac 90-120
(Non-Condensing Oil Combi)

Results ordered by efficiency. Some models may be obsolete.

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