A Radiator Booster Mk2 should cut the cost of running the average combi boiler by at least £30 a year (gas) or £60 a year (electric), and probably much more. It does that by maximising the room-heating power of a radiator, allowing your boiler to switch off a little earlier.

The probable saving claimed is cautious. Reducing the time an average 15kw electric boiler is on by just one hour a week will save you £93.60 over twelve months if a kilowatt-hour of electricity costs you 12p. All things considered, the twelve-month saving for an equivalent gas combi would be around £46.

In the colder months reduced running by two or three hours a week thanks to a Radiator Booster is common.

The Radiation Booster itself needs less than one watt DC to run (adaptor supplied). Six months non-stop running costs just over £1. It extends from 40cm to 73cm (15.7" to 28.7") long.

Dimensions
60 x 60 x 400-730 mm

How the radiator booster works
Frequently asked questions

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