PassivLiving MMSP

Metering and Monitoring Service Package, heat pump performance insight

PassivLiving MMSP measures how well your air source heat pump is performing. It uses a wireless temperature sensor, electricity and heat meters and local weather data to provide an Ofgem compliant solution, enabling you to receive MMSP payments additional to your Domestic RHI payments.

Optionally, you can add PassivLiving HEAT. This provides smart thermostat control, enabling the homeowner to manage space heating remotely using a smartphone app or any device with a web interface.

Components included in the package


2 x Smartrail X45 electricity meters

Z-wave temperature sensor

7 year data package and PassivLiving portal access

(Kit Code: PL-MK1-AS)

Additional components required

Sontex Superstatic 440 + 531 Integrator

Sontex RS232 module

Must be pre-configured for 1Wh and glycol (if applicable)

Bundle with PassivLiving HEAT

Control space heating

Z-Wave thermostat

Z-Wave heating control

7 year data package and PassivLiving portal access

(Kit Code: PL-MK2-AS)

Service Features

497,019 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