1. Devices or mechanisms designed to reduce consumption of resources such as fuel, energy, or water
The new economizers in the heating system reduced energy costs by 30%.
Os novos economizadores no sistema de aquecimento reduziram os custos de energia em 30%.
2. People who practice economy; those who save money or resources
The economizers in the family always find ways to cut expenses.
Os economizadores da família sempre encontram maneiras de reduzir despesas.
3. Heat recovery devices in boilers or furnaces that preheat water or air
Industrial economizers improve fuel efficiency in large boilers.
Os economizadores industriais melhoram a eficiência do combustível em caldeiras grandes.