5 Effective Ways to Reduce Diesel Generator Noise Electricity is essential in modern life — from homes and offices to hospitals and factories, we all depend on reliable power. That’s why diesel generator sets play a critical role, especially during unexpected power outages or natural disasters. However, one major concern with generators is noise. Continuous loud operation not only disturbs nearby residents but can also cause long-term hearing and health issues. Fortunately, there are several effective methods to reduce generator noise. Below, Hosem Power shares five proven solutions to make your generator run more quietly and efficiently. 1. Build a Soundproof Wall Around the Generator One of the most effective ways to reduce generator noise is to construct a sound-insulated wall around it.You can use concrete or cinder blocks to form an enclosure slightly higher than the generator (about one foot taller).Leave at least 15 cm (6 inches) of space between the generator and th...