EndoTherm for Domestic 500ml Ready To Use (plus free applicator)


SKU: 10-10-000


EndoTherm is an energy saving central heating additive that has been independently proven to save up to 15% on heating bills. A full explanation of how EndoTherm works is available here.

EndoTherm is:

  • Effective in both old and new heating systems
  • Proven to deliver savings for over 5 years
  • Delivered free of charge (UK only)
  • Provided with free applicator
  • Developed and manufactured in the UK

EndoTherm is verified by The Energy Saving Trust

500ml of EndoTherm is suitable for small to medium sized domestic properties with up to 12 radiators. For larger households or households with underfloor heating 2 x 500ml is recommended.

For larger domestic properties, commercial installations or if you have any questions about the product at all please contact the team who will be more than happy to provide information and advice.

Note: Price is for product only, installation not included. (Purchases come with FREE installation kit)
Free shipping to UK. Returns and cancellations policy

EndoTherm Installed Sticker

All EndoTherm containers are heat sealed and packaged to ensure it reaches you in perfect condition ready for use. Also included is a handy removable installation sticker that can be applied to your boiler to display the date EndoTherm was installed into your system.

EV SSL Certificate
EV SSL Certificate

Additional information