Performansi Solar-Assisted Heat Pump Water Heater Kapasitas Tangki 30 Liter D…

ABSTRACT Bathing in hot water has many benefits and has now become a lifestyle habit for Indonesians. Water is usually heated using fossil fuels or electrical energy, but since these natural resources are non-renewable, the supply is decreasing every day. One solution that has emerged is the manufacture of direct-expansion heat pump water heater. Tests were conducted to determine the performan…