Lowtech Graph
AC Electricity
Mains-compatible alternating current, ~230V. Requires an inverter to produce from a DC source.
Produced by
Grid connection
Dual-bus wiring (DC essentials + AC general)
Inverter (DC to AC)
Backup generator
Consumed by
Heat pump (air- or ground-source)
Mechanical ventilation with heat recovery (MVHR)
Localised extraction at odor sources (kitchen, bathroom)
Sub-slab depressurisation / radon sump
LED lighting
Drilled well
Multi-stage filtration + UV disinfection
Pressurised pump distribution
Electric or heat-pump water heater
Dual-bus wiring (DC essentials + AC general)
Electric refrigerator
Electric washing machine
Fixed broadband / fibre connection
Cellular router
Motion-activated exterior lighting
Decentralised single-room heat-recovery ventilators
Reverse osmosis (RO) filtration
Automatic smart leak-detection shut-off valve
Membrane bioreactor (MBR) greywater recycling package unit
Aerobic treatment unit / micro-station d'epuration (package plant)
Electric kitchen food waste composter/digester
Electrochromic (smart) glazing
Heat pump (air- or ground-source), reversible mode
Induction cooktop
Closed-loop recirculating shower
Satellite internet terminal
Pressure canning / autoclave sterilization
Motorized heliostat mirror (north-facing daylighting)
Ground-coupled hydronic cooling loop (buried pipe + radiator)
Solar power diverter / router (surplus-PV to resistive load)