Zentek files graphene filter patent to improve indoor air quality and cut HVAC energy use

Zentek announced a new patent for a graphene‑based air filter. The filter is intended for indoor air purification. It leverages graphene’s fine‑mesh properties to capture pollutants. The design also aims to lower the energy demand of HVAC systems. Reduced HVAC power could translate into operational cost savings. The patent highlights potential applications in commercial buildings. It reflects growing industry focus on sustainable ventilation solutions. Zentek plans further testing before moving toward commercial production.