CLEAN AIR, COMFORTABLE FUTURE.
Filter technology born in the forests.
We provide pleasant and comfortable environments for cities and architecture.
Energy Recovery Ventilator Core
Simultaneously achieving ventilation and energy conservation.
An Energy Recovery Ventilator Core is the heart of ventilation equipment. It collects and reuses indoor coolness and heat to enhance air conditioning efficiency. Energy Recovery Ventilator Cores have attracted attention as a technology demonstrating ventilation performance and energy conservation simultaneously.

Deodorizing filters
Speedily eliminating worrying odors.
Special paper developed by the Oji Group is processed into a corrugated honeycomb structure, and exclusive chemical solution with strong deodorizing effects is impregnated to it.
A deodorizing filter can solve a wide range of odor issues at low cost and with high performance.
