Unheated Water

Water at ambient/source temperature, prior to heating

Produced by

• Drilled well
• Rainwater harvesting and storage
• Spring capture
• Elevated cistern/tank storage
• Manual/hand-operated well pump
• Rope pump (manual, low-cost well pump)
• Hydraulic ram pump (belier hydraulique)
• Fog collector (cloud net)

Consumed by

• Elevated cistern/tank storage
• Multi-stage filtration + UV disinfection
• Thermosiphon solar water heater
• Compost-coil water pre-heater
• Electric or heat-pump water heater
• Pedal-powered washing machine
• Evaporative cooling
• Bio-sand filter
• Batch solar water heater (integrated collector-storage)
• Greywater heat recovery (drain water heat exchanger)
• Ceramic candle filter (silver-impregnated)
• Reverse osmosis (RO) filtration
• Wood-stove flue water heater (thermosiphon coil)
• Hand-agitated bucket washing machine (manual plunger type)
• Zeer pot (evaporative pot-in-pot cooler)