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Ideal Classic RS 245P LPG - 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.

Ideal Classic RS 245P Efficiency

SAP seasonal efficiency73.9%
Rating bandBand F


ManufacturerIdeal Boilers
ModelClassic RS 245P
Fuel TypeLPG
Flue TypeRoom-Sealed
FanNo Fan
Output (kW)13.2 - 13.2
Boiler IDG.C.41 387 14
Manufactured From/ToUnknown - current


The Ideal Classic RS 245P is an 'F' rated boiler with a poor efficiency of 73.9%.

The Classic RS 245P is a Non-Condensing Conventional boiler with a maximum power output of 13.2kw that uses LPG as its fuel source.

Being a 'F' rated boiler it would be worthwhile replacing it with a higher efficiency 'A' rated boiler.

Similar Ideal Boilers to the Classic RS 245P
(Non-Condensing LPG Conventional)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Conventional LPG Boilers