The HACKS calculator reviews the current energy set up at your home and provides solutions to make your home more energy efficient

Not sure on where to start on your energy efficiency journey? Don't worry, our online calculator is here to help. The calculator will ask you a series of questions about the energy set up at your home and determine the best solutions for you. The results are based on real-world data

Not sure on where to start on your energy efficiency journey? Don't worry, our online calculator is here to help. The calculator will ask you a series of questions about the energy set up at your home and determine the best solutions for you. The results are based on real-world data

Actual system | E26 Air-to-air heat pump | E27 Air-to-water heat pump | E28 Ground source heat pump | E29 Condensing gas boiler | E30 Condensing oil boiler | E31 Pellet stove | E32 Wood stove | |
---|---|---|---|---|---|---|---|---|

D51 Your current energy consumption | kWh/year |
● | ● | ● | ● | ● | ● | ● |

D52 Actual energy requirements for heating (the amount of energy needed to heat your home) |
kWh/year |
● | ● | ● | ● | ● | ● | ● |

D53 Actual costs | £/year |
● | ● | ● | ● | ● | ● | ● |

D54 Actual CO₂ emissions | t CO₂/year |
● | ● | ● | ● | ● | ● | ● |

D55 Energy saving from new home insulation measures | ● | kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |

D57 Estimated energy consumption (this is the amount you would see on your energy bills) - for the selected option |
● | kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |

D56 Energy required after new home insulation measures | ● | kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |
kWh/year |

D58 Total annual cost | ● | £/year |
£/year |
£/year |
£/year |
£/year |
£/year |
£/year |

D59 Total CO₂ emissions | ● | t CO₂/year |
t CO₂/year |
t CO₂/year |
t CO₂/year |
t CO₂/year |
t CO₂/year |
t CO₂/year |

D60 Annual cost savings | ● | (%) £/% |
(%) £/% |
(%) £/% |
(%) £/% |
(%) £/% |
(%) £/% |
(%) £/% |

D61 Annual CO₂ emission savings | ● | (%) t CO₂/year |
(%) t CO₂/year |
(%) t CO₂/year |
(%) t CO₂/year |
(%) t CO₂/year |
(%) t CO₂/year |
(%) t CO₂/year |

D62 Equivalent CO₂ emissions saved (driving car) | ● | km/year by car |
km/year by car |
km/year by car |
km/year by car |
km/year by car |
km/year by car |
km/year by car |

D63 Lifetime cost savings | ● | £ |
£ |
£ |
£ |
£ |
£ |
£ |

D64 Lifetime CO₂ emissions | ● | t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |

D65 Lifetime CO₂ savings | ● | t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |
t CO₂ |

D66 Lifetime equivalent CO₂ emissions saved (driving car) | ● | km by car |
km by car |
km by car |
km by car |
km by car |
km by car |
km by car |