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Glow-worm Fuelsaver Complheat 30 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 0333 230 5216 for a no-obligation quote. Alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Glow-worm Fuelsaver Complheat 30 Efficiency

SAP seasonal efficiency76.5%
Rating bandBand E


ManufacturerGlow-worm Boilers
ModelFuelsaver Complheat 30
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)5.9 - 8.8
Boiler ID41-319-14
Manufactured From/To1991 - 2002


The Glow-worm Fuelsaver Complheat 30 is an 'E' rated boiler with an efficiency of 76.5%.

The Fuelsaver Complheat 30 is a Non-Condensing Conventional boiler with a maximum power output of 8.8kw that uses Gas as its fuel source.

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

Similar Glow-worm Boilers to the Fuelsaver Complheat 30
(Non-Condensing Gas Conventional)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Conventional Gas Boilers