Delta Breez

Delta Breez is a manufacturer of residential ventilation fans. It is a division of Delta Electronics, Inc., which Bruce C.H. Cheng established in 1971. U.S. headquarters is in Fremont, California. Delta Electronics is the world's largest manufacturer of brushless DC fans, with 38 manufacturing facilities and 60 R&D labs worldwide. The Delta Breez line brings brushless DC motor technology to residential bathroom ventilation, delivering quiet, ENERGY STAR-qualified exhaust fans and energy recovery ventilators.

Product Lines

• BreezSlim (SLM series): Compact fans from 50 to 110 CFM in 3-inch round or 4-inch oval duct. SLM50 and SLM70 operate at 1.0 sone. SLM70H adds humidity sensing. SLM50-100 G4 offers selectable 50/80/100 CFM.
• BreezElite (ELT series): Fans range from 50 to 110 CFM with an ECM motor rated 70,000 plus hours. Models include ELT50-110, ELT80-110, ELT50-110D (dual speed), ELT50-110H and ELT80-110H (humidity sensor), ELT50-110MH (motion sensor), and LED lighting variants.
• BreezRadiance: Exhaust fan with integrated heater and LED lighting.
• BreezFresh (ERV series): Energy recovery ventilators for balanced fresh-air distribution in tight homes.
• BreezWall / BreezProfessional: Through-wall and commercial bathroom ventilation.

Why Contractors Specify Delta Breez

• Brushless DC motors rated 70,000 plus hours (BreezElite ECM series)
• All exhaust fans ENERGY STAR qualified; ENERGY STAR Sustained Excellence Award recipient
• BreezSlim fits between 16-inch on-center joists for retrofit without ceiling access
• Humidity sensor models (-H suffix) automate ventilation based on moisture levels
• All products UL Listed; 3-year limited warranty

How to Choose a Delta Breez Product

Calculate required CFM at 1 CFM per square foot (minimum 50 CFM). Choose BreezSlim for tight retrofits using 3-inch round or 4-inch oval duct. Choose BreezElite ECM for continuous-run applications. Choose -H suffix models for automated humidity control. All current exhaust fan models are ENERGY STAR qualified.

Frequently Asked Questions

• What duct size does BreezSlim use? BreezSlim fits 3-inch round or 4-inch oval duct.
• Are Delta Breez exhaust fans ENERGY STAR qualified? Yes. All current exhaust fan models are ENERGY STAR qualified. Delta Breez is also an ENERGY STAR Sustained Excellence Award recipient.
• What is the motor life rating? The ECM motors in the BreezElite series are rated 70,000 plus hours.
• Which models have humidity sensors? Models with the -H suffix have humidity sensors: SLM70H, ELT50-110H, and ELT80-110H.
• What is the Delta Breez warranty? Delta Breez products carry a 3-year limited warranty.