Delta’s brushless DC motor fans are engineered to outlast popular AC motor models by as much as 70 percent, reducing the need for replacement.
Delta’s brushless DC motor fans are precision engineered for low sound, down to less than 0.3 Sones, the lowest sound rating of any exhaust fan.
Less power consumption
Delta’s brushless DC motor fans use up to 74% less power than popular AC motor exhaust fans.
Delta brushless DC motor fans are among the most efficient ventilation fans available, exceeding ENERGY STAR requirements for efficiency by as much as 367%.
All Delta Breez ventilation fans are precision engineered to run continuously for a minimum 70,000 hours.
Laboratory testing of Delta ventilation products analyzes functionality, durability under harsh conditions, and construction for long life. The Basic Function Test checks current, speed and noise, while the Safety Test includes leakage current, Hipot (high potential), ground bond and insulation testing. Comprehensive reliability testing continues with：