The award-winning Passiv Smart Thermostat is the smart way to control a heat pump. Make home comfort effortless with smarter controls and lower heating bills. - Smart Preheating: Perfect comfort with smart preheating of your home using local weather forecasts. - Maximise Efficiency: Increase heat pump efficiency by 17%, as verified by the Energy Saving Trust. - Tariff Optimisation: Heat your home at the cheapest times of the day with smart tariff optimisation. - No Subscription Fees: All features are provided without any subscription fees for the householder or the installer. The Passiv Smart Thermostat offers a range of benefits to installers, with patented dynamic flow temperature control and the built-in push-fit wiring centre. - No More Weather Compensation: Remove the need to set and adjust the weather compensation curve with dynamically from the programmer in under two minutes. - Solar Heating: Optimise your heating and hot water to use free energy from rooftop solar panels. - Quick and Simple Handover: Simple, intuitive in-house and app control for a quick handover to the homeowner.