COVID-19 Notice

During this uncertain time our first priority remains staff and customer safety and well being. All of our services are running normally and activities involving home visits or other face to face interactions are complying with strict PPE and social distancing policies.


A smart energy platform for the age of the smart grid

PassivSystems have developed a range of home energy services which are changing the landscape of the energy industry. We are a pioneering company at the forefront of making energy use more efficient and more affordable for millions of households. Our motivation is to help consumers, asset owners and businesses get better value for money and to make a significant difference to global emissions

In 2010 we were the first company to launch a smart thermostat that allowed consumers to remotely control their heating. In 2015 we became the UK’s No 1 residential Solar PV asset management services business and in 2016 we launched the world’s first predictive load management service for optimising CHP equipment on residential district heating networks. We are all about putting consumers back in control of their energy costs and providing energy asset owners with improved financial returns.


Solar PV

Maximise returns by reducing lifetime operational costs

District Heating

Increase financial returns and bankability of new schemes


Differentiate services and increase customer loyalty

Our Partners Include

Wind Uk
Department for Business, Energy & industrial Strategy
National Grid
Western Power Distribution
Wales & West Utilities

Case Studies

722,207 MWh

Total generation monitored to date


Carbon tonnes equivalent saved by our customers to date


Connected Meters

* Carbon tonne saving calculation is based on the June 2015 recommended conversion factors provided by Defra as part of its Environmental Reporting Guidelines

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Our award-winning technology increases efficiency and reduces operational costs