News, Views & Reviews on Domestic Central Heating, Boiler & Renewable Energy


Get Free, No Obligation Boiler Quotes

DD Heating Heatline S24S Compact Gas - 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.

DD Heating Heatline S24S Compact Efficiency

SAP seasonal efficiency80.0%
Rating bandBand D


ManufacturerDD Heating Boilers
ModelHeatline S24S Compact
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)25.1 - 25.1
Boiler ID
Manufactured From/To2003 - 2007


The DD Heating Heatline S24S Compact is a 'D' rated boiler with an efficiency of 80.0%.

The Heatline S24S Compact is a Non-Condensing Conventional boiler with a maximum power output of 25.1kw that uses Gas as its fuel source.

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

Similar DD Heating Boilers to the Heatline S24S Compact
(Non-Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Conventional Gas Boilers