Smart Home Energy · Tools

Honest home-energy tools

Free, independent calculators built on real data — no inflated savings, no sign-up walls.

Plug-in Solar Calculator

How much a UK plug-in / balcony solar setup could really save you — real PVGIS data, your space, your tariff. Honest payback + CO₂.

Lowest-cost path to EPC C for landlords, ahead of the 2030 rental standard. Address → certificate → costed upgrade plan.