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The project is being used in Toyota 4S Shop. The equipment is a high & large space dedicated air conditioner (circulating air heating unit).Effectively solve the problem of heat supply in the production workshop. The source of heat is the water cycle.
AirTS has developed and produced special energy-saving air conditioning systems for high & large space, covering the source of cold and hot water systems, steam systems, power systems, gas direct combustion systems and refrigerant systems, effectively solving the needs of 4-30 meters high & large space heating, ventilation, refrigeration, humidification, dehumidification, dust removal and other needs.
AirTS High Space Air Conditioning products have been widely used in the mechanical processing, automobile manufacturing, rail transportation, metallurgy and chemical industries, warehousing and logistics, electronic appliances, food and pharmaceuticals, and other industrial sectors, as well as in venues, supermarkets, cinemas, water parks, stadiums, restaurants, and other civilian fields.
The Toyota 4S Service Center is a large-scale automobile maintenance facility integrating sales, spare parts, service, and survey functions. The workshop includes:
Ceiling heights of 8–12 meters
Large open maintenance bays
Frequent vehicle entry and exit
High heat load from equipment and engines
Significant air stratification in winter
The client required an energy-efficient heating and cooling solution to:
Maintain indoor temperature at 24–26°C
Reduce temperature differences between floor and ceiling
Improve worker comfort and efficiency
Lower long-term energy consumption
During the initial engineering assessment, our team identified several issues typical in automotive workshops:
Severe heat accumulation under high ceilings
Traditional split AC units failing to deliver airflow effectively to ground level
Significant energy waste caused by warm air stratification
Uneven temperature distribution across work zones
Thermal imaging tests showed a 6–8°C difference between the ceiling and working height, highlighting the need for an optimized HVAC system.
After load calculations and airflow simulations, we recommended the AirTS Circulation Air Heating Unit System, specifically designed for high-ceiling industrial spaces and automotive workshops.
Key Technical Features:
Dual-pressure airflow design to push warm air directly to ground level
Integrated temperature sensors for precise zone control
VRF outdoor unit compatibility
Ductless design, reducing installation costs
Intelligent wireless control system for easy operation
Engineering Calculations:
Total heating load calculated from building envelope and air exchange rate
Optimized airflow volume to eliminate stratification
Supply air reach designed for 8–12m ceiling height
This ensured uniform heat distribution without excessive energy consumption.
After commissioning, the Toyota 4S Service Center achieved:
Temperature difference reduced from 6–8°C to less than 2°C
Indoor temperature stabilized at 25°C ±1°C
Estimated energy savings: 25–30% compared to conventional heating systems
Improved employee comfort and working efficiency
Stable operation with minimal maintenance
These results demonstrate the effectiveness of a high-efficiency HVAC system designed for industrial workshops.
Our engineering team has over 10 years of experience in designing HVAC systems for:
Automotive workshops and service centers
Logistics warehouses
Aircraft hangars
Industrial manufacturing facilities
We follow international HVAC design standards and perform project-specific load calculations for each client. Our process includes:
Site assessment
Thermal load analysis
Airflow design simulation
Post-installation commissioning report
By combining experience, engineering expertise, and advanced HVAC technology, we deliver energy-efficient, high-performance heating and cooling systems for complex workshop environments.
While both small and large HVAC systems use the same principles, there are many issues that need to be addressed to effectively control the temperature of a large space. Some of these challenges include:
Size and air volume: Large spaces have greater air volume and require more powerful HVAC systems to effectively heat or cool the area.
Air Stratification: In large spaces, warm air rises and forms layers. This can cause uneven temperatures in different areas and can make some occupants uncomfortable.
Occupancy Fluctuations: Large commercial spaces have drastic changes in occupancy. This can put a huge strain on HVAC systems trying to maintain a constant temperature.
Various Uses: Many large spaces contain a variety of areas with different heating and cooling needs.
Energy Efficiency: Because a large amount of electricity is required to run an HVAC system for a large space, energy efficiency is a top priority. Wasted energy can quickly lead to increased operating costs.
Commercial HVAC for 4S Shop often require a combination of ventilation and commercial heating technologies to meet industry requirements while also providing good indoor air quality and comfort for employees. Automotive HVAC systems for 4S shops take a more sophisticated approach to ventilation and heating system design to meet national and corporate standards.
When you need to exhaust existing indoor air within a garage or automotive facility, our make-up air units are the ideal choice. Designed to "make up" the air in an indoor space, these units are ideal for situations where frequent replacement of indoor air is required. Additionally, make-up air HVAC solutions draw in fresh, conditioned air from outside your transportation building or commercial garage to replace existing air that cannot be recirculated. These solutions are especially beneficial in buildings where environmental conditions require greater ventilation needs to improve the air quality within the building and protect the health of those inside. AirTS designs, manufactures, and installs best-in-class commercial and industrial heating solutions, ventilation systems, and cooling solutions for 4S shops. Our team of experts is dedicated to providing our customers with the highest quality automotive HVAC systems.
To learn more about HVAC solutions, please contact us!
Our Knowledgeable Team is Here to Help
