EndoTherm – Energy Saving Hydronic Heating Additive
EndoTherm is a unique, energy & fuel saving hydronic heating additive independently proven to save up to 15% on energy consumption.
EndoTherm is:

Independently Proven
Savings of up to 15% proven by a leading R&D laboratory.
Easy to Install
EndoTherm can be installed in just 10-15 minutes.
Non - Corrosive
EndoTherm is non-corrosive and has slight inhibitor properties.
100% Organic
EndoTherm is made from 100% organic materials.
Flexible
EndoTherm is suitable for any hydronic heating system.
Available worldwide!
Contact us to get EndoTherm in your location.







‘The Trials with EndoTherm in our boilers have been very impressive. We have noted less circulating noise and better conductivity. We will install EndoTherm into any heating systems we install in the future.’
‘EndoTherm was installed into one of our properties and within days the boiler had to be turned down to compensate for increased performance. Overall consumption had been reduced by 15.6%.’
EndoTherm has confirmed compatibility with these major boiler manufacturers:

*EndoTherm does not invalidate the warranties of these boiler manufacturers
EndoTherm is featured in the October 2021 issue of the International Journal of Energy Management:
EndoTherm is a recognised technology supported by HVAC rebates in a number of territories:
HVAC Control

EndoTherm is now supported by HVAC control rebate schemes.
Find out more about how you can take advantage…
How EndoTherm Works
EndoTherm is a unique energy saving hydronic heating additive, independently proven to save up to 15% on heating consumption! But how does it work?