Key Features of Langshe Fresh Air System ERV150/250/350/550D-SR
High-efficiency full thermal exchanger ensures balanced indoor-outdoor airflow with minimal energy loss. Dual-core bidirectional flow design optimizes ventilation while maintaining stable indoor temperature. Industrial-grade ABS housing with corrosion-resistant coating for durability in humid or extreme climates. Ultra-quiet operation (≤25dB) with precision-engineered brushless DC motor for residential or office use. Modular installation fits ceilings or walls, compatible with ductwork for whole-house air renewal. 5-layer HEPA filtration captures 99.97% of PM2.5, pollen, and allergens—ideal for allergy sufferers. Smart humidity control automatically adjusts ventilation based on real-time indoor air quality data. Energy recovery rate up to 75% reduces HVAC costs, certified for EU ERP eco-performance standards. Optional WiFi control (model-specific) for remote scheduling via smartphone in smart home systems. Commercial-grade bearings and airtight seals ensure 50,000+ hours lifespan with minimal maintenance.