Energy efficiency

Energy calculator

Use the energy running cost calculator to estimate annual running costs and carbon emissions for thousands of appliances and electricals.

Engergy monitorEfergy Energy Monitoring Socket

Best for: monitoring costs of individual appliances with easy to reach sockets (e.g. kettle)

Not suitable for: monitoring overall electricity usage 

The Efergy Energy Monitoring Socket measures the energy efficiency of your plug-in appliances. Track the kilowatts used by your appliances and find out how much they are costing you. You can then reduce the use of a costly appliance or replace it with a more efficient one.

If you lose or damage any of the components of the energy monitor or fail to return it within 2 months then you will be liable to pay replacement costs of £14.50

Energy calculator

Use the energy running cost calculator to estimate annual running costs and carbon emissions for thousands of appliances and electricals.