Do you mean the cost per room (you would need to know how much gas is used per room) or the total cost of the gas usage from the P1 meter? Can you share the Lua script you use now? Maybe your new requirement can be integrated if you code this functionality in a dzVents script. I want to know the ...

Hello all, I have 1 central heating and 4 rooms with there own floorheating and thermostat. I use a lua script per room to control the temperature. That is working perfect. Now I want to calculate how long the heating was per.room was on per month and what it was costing. I have also P1 for gas ...