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Delta’s VEB-S Series DC Energy Recovery Ventilators (ERVs) use a high-efficiency core to exchange heat and moisture between indoor and outdoor air, reducing HVAC energy use and CO₂ levels while improving air quality. Equipped with MERV 13 filters, they effectively capture PM2.5 and other fine particles, ensuring healthier air in homes and commercial spaces. The VEB120S is the most compact in its airflow class, with up to 77% sensible recovery efficiency (SRE), while the VEB165S achieves industry-leading SRE of up to 90%. Designed for North American homes, the units support flexible installation in attics, basements, ceilings, or walls. Key features include HVAC integration, low-temperature exhaust defrosting, and adjustable airflow and operation schedules. When connected to a thermostat or air handler, the ERV activates in sync, using its core to exchange temperature and humidity between incoming and outgoing air, reducing HVAC load and saving energy.







































































