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

ad468x60

Get Free, No Obligation Boiler Quotes

Radiant RSF 21 E NOx Gas - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can find out the energy efficiency of your boiler by checking its energy rating; you can do this now by selecting the make and model below.

A boiler’s energy rating is an indicator of its efficiency when used within an average domestic household. It's a great benchmark for comparing new boilers and can help you work out how much money you could save on energy bills if you replaced your current boiler with a more efficient model.

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.

Radiant RSF 21 E NOx Efficiency

SAP seasonal efficiency79.7%
Rating bandBand D

Specification

ManufacturerRadiant Boilers
ModelRSF 21 E NOx
Fuel TypeGas
TypeCombi
MethodNon-Condensing
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)26.6 - 26.6
Boiler IDCE 0694BL3003
Manufactured From/To1998 - current
SEDBUK Rating

Summary

The Radiant RSF 21 E NOx is a 'D' rated boiler with an efficiency of 79.7%.

The RSF 21 E NOx is a Non-Condensing Combi boiler with a maximum power output of 26.6kw 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 Radiant Boilers to the RSF 21 E NOx
(Non-Condensing Gas Combi)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Combi Gas Boilers