Companies that understand what drives productivity, produce better products, offer better services and generate higher revenue. One factor influencing productivity light. Cooler light makes workers more productive. The impact is substantial. Though the cost of a lighting renovation project could seem daunting, the energy savings and productivity gains, more than make up for the investment. Ignoring proper lighting in your workplace could have a negative impact on productivity. Opting for cooler LED lighting not only saves energy but also increases the productivity of employees.