Background: This a short and simple energy saving tips for the boiler system, the objective is to increase awareness for the energy saving best practices for the common energy consuming system in the industry to save our resources for the next generations. Please share it with others if you find it useful. Tip summary Running your boiler with extra blow down rates will lead to high energy losses and high fuel consumption, so installing an automatic blow-down control system will secure your BFW water quality, reduce your boiler system water consumption, optimize your fuel consumption and eventually reduce your operating cost. Rule of thumb Expected saving 1-3% of the fuel consumption to the boiler