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Water - 10/24/2026

Drinking rainwater: collection, storage and treatment

How our house lives on rainwater: a 101 m² roof, a 10 m³ concrete tank, a water balance based on Payerne weather data, water-saving fixtures and multi-step treatment up to a UV-C lamp.

rainwater, drinking water, tank, filtration, UV-C, self-sufficiency, water saving

Energy - 10/4/2026

Our photovoltaic installation: 32 panels, 4 MPPTs, batteries and Victron inverters

How our 13.92 kWp solar installation works: series-parallel panel wiring, how an MPPT charge controller works, Lynx 48 V distribution, Pylontech batteries and three MultiPlus-II units in three-phase.

photovoltaics, solar, MPPT, batteries, self-consumption, Victron, energy

Energy performance - 5/5/2026

Load-bearing straw construction: dimensions, density, lambda and μ factor

Technical characteristics of a straw bale wall: dimensions, density, thermal conductivity (lambda), μ factor, resistance R, U coefficient and hygrometric comfort.

straw, load-bearing straw, thermal, plant-based insulation, energy performance, ecological construction