In the post-pandemic era, Shanghai families are increasingly prioritizing indoor health and air quality: haze, pollen, formaldehyde, TVOC, bacteria, viruses. Opening windows risks dirt, cold, and noise, while keeping them closed leads to stuffiness and lack of oxygen. For customized doors and windows in Shanghai, choose Lans C5 Fresh Air Ventilation Window. Breathe in fresh air without opening windows, safeguarding the health of your family.
The Lan-system C5 New Oxygen Breathing Window is a star health product jointly developed by Lan-system and the British Lan-system System. Based on an all-aluminum system window, it integrates a fan, motherboard, filter, air sensor, and intelligent control system, achieving six-in-one functions: "insulation + soundproofing + fresh air + filtration + heat recovery + intelligence." It is particularly suitable for use in bedrooms, children's rooms, senior rooms, and maternity rooms.

The core filter features a composite structure of HEPA + carbon-impregnated fabric + antibacterial mesh, effectively filtering PM2.5, haze, dust, pollen, formaldehyde, TVOC, bacteria, and viruses with high purification efficiency, ensuring cleaner indoor air. The heat recovery function reduces heat loss during air exchange, keeping the space warm in winter and cool in summer for energy-efficient and comfortable operation.
The intelligent control system can display indoor air quality in real time, supports remote operation via mobile phone, and allows seamless switching between automatic mode, manual mode, and sleep mode. During nighttime sleep, it operates with low noise, continuously delivering fresh oxygen, ensuring a refreshed wake-up experience without stuffiness or dizziness.
For individuals with allergic constitutions, asthma, or rhinitis, the New Oxygen Breathing Window effectively isolates pollen, dust mites, and haze, reducing the likelihood of flare-ups. For newly renovated homes, it facilitates 24-hour uninterrupted air exchange, accelerating the release and removal of formaldehyde. For urban households, it enables ventilation without opening windows, ensuring sound insulation remains uninterrupted—quiet and healthy.
The exterior of the Lans Xin Oxygen Ventilation Window is identical to that of a standard system window, featuring ultra-narrow frames and concealed fan design for an aesthetically pleasing and unobtrusive look that adapts to various interior styles. The profiles are made of high-precision 6060 T66 aluminum, offering excellent sealing performance with sound insulation of 35–45dB, ensuring quiet operation without disturbing sleep.
As a Shanghai-based brand, Lan-system offers one-stop services including free measurement, design solutions, professional installation, and after-sales maintenance. Its products feature patented national technology, have passed authoritative testing, and are safe, reliable, stable in operation, and boast low failure rates.
Health is the most precious wealth of a family, and doors and windows are the first line of defense for indoor air quality. Choose the health-focused customized doors and windows from Shanghai—Lan-system New Oxygen Breathing Windows—to provide your family with a quiet, clean, and oxygen-rich indoor environment, safeguarding their respiratory health.
