aquecedor solar com garrafas PET

Adeus aquecedor caro: Aposentado brasileiro mostra como montar sistema solar com 60 garrafas PET e 50 caixas de leite que aquece água até 52°C, custa R$ 83 completo e pode reduzir até 40% da conta de luz frente a modelos que custam milhares de reais

Science and Technology

Goodbye Expensive Heater: Brazilian Retiree Shows How to Build Solar System with 60 PET Bottles and 50 Milk Boxes That Heats Water Up to 52°C, Costs R$ 83 Complete and Can Reduce Up to 40% of Electricity Bill Compared to Models That Cost Thousands of Reais

Valdemar Medeiros 02/03/2026 at 12:12

Aquecedor solar com garrafas PET vira projeto da Celesc, reduz uso do chuveiro elétrico e destaca impacto do banho no consumo de energia.

Science and Technology

Brazilian Creates Solar Heater with PET Bottles and Milk Boxes; Idea Becomes Celesc Program, Promises to Reduce Electricity Bill by Up to 30% and Reveals the Hidden Villain of Energy Consumption in Brazil

Alisson Ficher 15/12/2025 at 16:45