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What is Lot 20?

Remember when we all had to change our lightbulbs to their energy saving equivalents? That was all down to EcoDesign, Lot 20 - a piece of Europe wide legislation. In January 2018, this initiative turned its attention to electrical heating products to ensure that they perform better both for the customers and for the environment. To meet the requirements, new heater controls have been developed, resulting in less harm to the environment and ongoing energy savings for you, the user.

The Facts

installed heating

Installed heating

Will gain new, advanced controls. 

portable heating

Portable heating

Can no longer be wall mounted. 

electric inset fire

Electric fires

Will gain additional features and controls.

gas fires

Gas fires

Will now feature an energy rating (ECO) label.


It will save you money

On your energy bills, by preventing you paying for wasted energy.


1st January 2018

Only products manufactured after this date are affected.

How exactly will the products change?

Installed heating

Lot 20 requires any installed electric heater manufactured from January 2018 to have an electronic thermostat with a 24-hour, 7 day timer with either adaptive start or an open window sensor. Currently, Dimplex already has a range of products that comply with the new legislation: QuantumQRadBPH and the LST. The new compliant products to look out for are the PLXE and XLE panel heaters.

This legislation only affects heaters that were manufactured after January 2018, so if you have recently invested in new installed home heating that doesn’t comply, then do not panic. If you are looking to upgrade your heating however, now is the opportune time due to the new requirements for energy saving capabilities.

Portable heating

The majority of Dimplex portables already feature an integrated thermostat, and so meet the standards of EcoDesign. Another legislation change for electric portable heating is that products that require wall mounting must now feature a 24-hour, 7 day timer with either adaptive start or an open window sensor. Development of these products is currently underway.

Gas and Electric fires

All new EcoDesign compliant electric fires (except those that are portable), will include additional features which could include timer controls and remote-control heating. Please view the product listing to see which features are included in the particular product.

Under the new legislation, gas fires will now feature an energy rating ECO Label, similar to those on white goods such as fridges, which will show the heat output and the Energy Efficiency Index (EEI).