Factory heatstroke prevention spot cooler / Hiespo

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Hiespo

last updated：Jun 22, 2026

TOEI KAISHA, LTD.

A game changer for mandatory heatstroke prevention measures, effective even in spaces where typical spot coolers cannot be used.

Starting from June 1, 2025, the Labor Safety and Health Regulations will be revised, mandating heat stroke measures for businesses. This includes the establishment of a reporting system for heat stroke patients, preparation of measures to prevent deterioration, and actions to inform workers. The Spot Cooler/Hiespo is a portable air conditioner that requires no piping installation and can be easily moved with casters. It has a higher cooling capacity compared to typical spot coolers, with five models ranging from 1 horsepower to 6 horsepower, including units with a maximum cooling capacity of 14.0 kW. With a Sirocco fan that can blow air over long distances, it effectively releases cool air in a targeted direction, making it suitable for spaces that typical spot coolers cannot adequately cool. It is ideal for spot cooling in factories, warehouses, construction sites, as well as for cooling break rooms, gyms, events, and golf practice ranges. In addition to cooling, Hiespo also supports dehumidification, heating, and ventilation, making it usable throughout the year and perfect for needs that require changing locations between summer and winter.

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basic information

Here’s what’s different! General spot coolers vs. Hiespo - Provides cool and dry air with excellent cooling capacity - Supports cooling, heating, dehumidifying, and fan functions, convenient for year-round use - Uses a sirocco fan for powerful airflow that carries air over long distances - Reliable nationwide service network - A lineup of all five models to choose from ◆ Product Features - Higher cooling capacity compared to typical spot coolers - Sirocco fan allows for long-distance air delivery - Focuses on releasing cool air in the direction of airflow - Capable of cooling, dehumidifying, heating, and fan functions - Easy to install as no piping or drilling work is required - All-in-one design integrating indoor unit, outdoor unit, and casters (with heat exhaust) - Significantly reduced operating noise due to inverter control and aluminum casing - Sturdy casing eliminates the need for protective barriers against contact from balls in gyms or tools in factories - Equipped with various timers such as forget-to-turn-off prevention and weekly timers - Various optional items available, including drain tanks, exhaust ducts, and outlet ducts - Operating noise: 60–68dB, cooling airflow: 12.5–48m³/min (from minimum to maximum models) - All five models use R32 refrigerant

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Applications/Examples of results

【Cooling, Dehumidifying, and Heating for Specific Areas】 ◆ Heat Stroke Prevention and Environmental Improvement Spot cooling for factories and warehouses Break rooms at construction sites Supplemental air conditioning for schools, offices, and workplaces ◆ Commercial Uses Gyms and martial arts dojos Event venues and exhibitions Golf driving ranges, indoor tennis courts, and indoor pools Restaurants and commercial facilities Waiting rooms at stations and terminals ◆ Limited-Time Uses Temporary offices and prefabricated structures Temporary school buildings Disaster evacuation shelters Temporary medical facilities

Line up（6）

Model number	overview
MAC284	Capacity estimate: 15m2, perceived temperature: 11.9℃, wind speed: 3.0–5.0m/second, cooling rated capacity: 2.8kW (0.9–3.3), 1 horsepower, operating noise: 60dB
MAC364C	Capacity estimate: 15m2, perceived temperature: 11.9℃, wind speed: 3.0–5.0m/second, cooling rated capacity: 3.6kW (0.9–3.9), 1.5 horsepower, operating noise: 60dB
MAC564C	Capacity estimate: 60m2, perceived temperature: 10.8℃, wind speed: 8.0–9.0m/second, cooling rated capacity: 5.0kW (1.3–5.6), 2 horsepower, operating noise: 66dB
MAC804C	Capacity estimate: 90m2, perceived temperature: 10.3℃, wind speed: 8.0–10.0m/second, cooling rated capacity: 7.1kW (1.3–8.0), 3 horsepower, operating noise: 68dB
MAC1604C	Capacity estimate: 180m2, perceived temperature: 10.3℃, wind speed: 8.0–10.0m/second, cooling rated capacity: 14.0kW (3.5–16.0), 6 horsepower, operating noise: 65dB
Conditions for calculating perceived temperature:	Calculated based on the actual values of outlet temperature 20℃ and humidity 50% under the conditions of surrounding temperature 29℃ and humidity 50% using the Misunar estimation formula.