À propos WattMatrix
Hi, I'm building WattMatrix (wattmatrix.app) — an independent, physics-grounded home energy decision engine.
WattMatrix provides free, privacy-first tools for Irish and UK homeowners modeling Solar PV, home batteries, EV night tariffs, and hot water diversion without installer sales bias or ad bloat. All smart meter (HDF) and tariff calculations run 100% locally in your browser.
If a tool saved you from an expensive hardware mistake or helped you pick the right electricity plan, buying a coffee helps keep the site fast, ad-free, and independently hosted. Thank you for the support!
WattMatrix provides free, privacy-first tools for Irish and UK homeowners modeling Solar PV, home batteries, EV night tariffs, and hot water diversion without installer sales bias or ad bloat. All smart meter (HDF) and tariff calculations run 100% locally in your browser.
If a tool saved you from an expensive hardware mistake or helped you pick the right electricity plan, buying a coffee helps keep the site fast, ad-free, and independently hosted. Thank you for the support!
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