HeatpumpMonitor.org is an OpenEnergyMonitor open source community initiative to share and compare real-world heat pump performance data.

As of July 2024 there are 211 heat pump systems uploading data to the site, including systems installed by some of the best heat pump engineers in the UK.

The site is a useful peer-to-peer learning resource used by both customers and installers wishing to understand how to design, install and optimise heat pumps for high performance and low running costs.

Systems marked with 'MID' use billing grade MID approved Class 1 electricity metering and Class 2 heat metering equipment.

The majority of systems are monitored using the OpenEnergyMonitor Level 3 Monitoring Bundle.

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