See Air conditioning, heating, ventilation equipment's detailed category ranking
- Air conditioning equipment
- Ventilation and smoke exhaust equipment
- Duct related equipment
- Piping Equipment
- Water Treatment Plant
- Heat exchanger
- Refrigeration units, boilers, cooling towers
- Automatic Control Equipment
- District heating and cooling/heat source system
- Heating and cooling equipment and facilities

Reach a distance of over 20 meters! Powerful cooling for every corner of a large space! Comfortable workplace with dry air.

Dehumidification, humidification, positive pressure, air purification! A compact outdoor unit that requires no refrigerant piping installation.

Fire-resistant and quasi-fire-resistant buildings, as well as sleeves for ventilation in quasi-fire-resistant specifications, are required to be non-combustible according to laws and related administrative regulations!

The industry's first self-sealing trap for air conditioning drain piping, "Easy Trap," has been redesigned to be a model compatible with both vertical and horizontal installation! An outdoor version has also been added.

We manufacture vibration-proof joints, canvas joints, flexible joints, expansion joints, and soft flexibles by processing soft PVC. Connections: flanges, band clamps, etc.

A construction method that allows for the replacement and expansion of piping branches and valves with minimal water drainage!

In just a few seconds, from cold water to hot water! With AC100V and a water source, you can use 48°C hot water anywhere.

TOZAI's inverter shipment record exceeds 10 million units. Many applications in sterilization devices! We can provide a complete supply of lamps, lamp sockets, and inverters!

A wide range of products including smoke exhaust outlets, air supply outlets, opening devices, and backflow prevention dampers are available!

Excellent heating effect, pool-spec horizontal installation unit heater. Durable design ensures reliability even in harsh installation environments like pools.