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Phone: +86-534-5012407
Mobile phone: +86-188-6602-0062
Email: sddljnhb@163.com
Website: http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
Our company’s ultra-quiet, bidirectional ventilation system is an advanced low-noise ventilation device that builds on the conventional bidirectional design, incorporating multiple noise-reduction technologies. Its key advantage lies in delivering highly efficient two-way air exchange while keeping operating noise at an exceptionally low level, making it ideal for environments sensitive to sound. It simultaneously performs bidirectional air exchange—introducing fresh outdoor air and exhausting stale indoor air—effectively addressing ventilation, formaldehyde removal, and odor control in enclosed spaces. Heat-exchange models further recover cooling or heating energy, reducing air-conditioning energy consumption. Unlike standard ventilation units, this product employs optimized ductwork, sound-absorbing and vibration-damping materials, and a low-noise motor to keep noise levels in the 22–30 dB(A) range even at the lowest settings. Operation is virtually imperceptible, ensuring no disruption to rest, work, or study, and seamlessly balancing superior ventilation with a tranquil indoor experience.
Mobile phone:+86-188-6602-0062
Email:sddljnhb@163.com
Website:http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
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