230V - 1500 W
38,000 m³/h - approximately 520 m²
Antibacterial UV - Also Water Mains
The Master BC 451S is a next-generation evaporative cooler designed to provide portable, efficient cooling in large spaces . Thanks to its powerful fan and advanced evaporation system, this device is an ideal solution for cooling areas up to 520 m² , where installing a traditional air conditioning system would be impractical or cost-effective.
The Master BC 451 stands out for its extraordinary air movement capacity, with a cooled air volume of up to 38,000 m³/h and superior cooling efficiency compared to traditional fans. Its operating principle is based on the evaporation of water through cellulose cooling panels, specially treated to resist mold and ensure long life. The warm air drawn in by the fan passes through these water-soaked panels, cooling naturally before being re-expelled into the room.
Built-in UV lamp for water disinfection.
One of the strengths of the Master BC 451 S is its ease of installation: it requires no ductwork or structural work. Furthermore, maintenance is minimal, thanks to the filter panels that trap impurities in the air and the automatic water disinfection.
The unit features continuous fan speed control and a water level monitoring system, ensuring optimal operation at all times.
Energy consumption remains extremely low, with a maximum absorption of just 1,500 W, making the device an ecological and economical alternative to traditional air conditioning systems.


One of the main advantages of the BC 451 S is the presence of an integrated UV lamp, which ensures water disinfection, eliminating viruses and bacteria and thus improving air quality.


With an air flow rate of 38,000 m3/h and a cooling panel of 400 dmc, the Master BC 451 S is a professional portable cooler with a water consumption of 12-18 L/h, from a 300 L tank.
Warm air passes through the evaporative filter and is loaded with moisture from the water in the tank; the air is cooled, purified, and then distributed throughout the room.

The escaping air is therefore moistened and cooler, and upon contact with the skin, it creates a feeling of well-being. The effect is more pronounced in hot, dry environments.

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To benefit from the 3-year warranty on this Master product, register on the Master website and follow the instructions provided.
Ideal for:
| Power Supply | 230V |
| Absorption | 1500 W |
| Max Air Flow | 38000 m³/h |
| Refreshed Area | approximately 520 m² |
| Water Tank Capacity | 300 L |
| Water Consumption | 12-18 L/h |
| Water Network Connection | 1/2 inch |
| Water Level Control | YES |
| Dimensions | 169 x 92 x 191 cm |
| Weight | 180 kg |
Our workshop is able to guarantee efficient and professional repairs: speed; of intervention, competence and availability are our strengths.
By purchasing from Indors you will also have purchased peace of mind: our Assistance and Repairs Service guarantees quick and timely solutions for any problem thanks to the safe availability; of spare parts, your equipment will always be efficient and available within a few days at a low cost. More information
All products sold by Indors are covered by a legal guarantee of 3 years from the date
of purchase for purchases by individuals (12 months for professional users) for lack of conformity,
pursuant to art. 128 ff. Legislative Decree no. 206/2005.
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