HVAC System Maintenance and Servicing Project at City International Hospital (CIH) 2023
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About Project
City International Hospital (CIH) was established on January 5, 2014, with 21 clinical and paraclinical specialties such as Obstetrics and Gynecology, Pediatrics, General Surgery, Cardiology, Otolaryngology, Ophthalmology, Urology, Oncology, Gastroenterology & Hepatobiliary, etc. The hospital has a dedicated team of renowned professors, qualified doctors, well-trained nurses and technicians with many years of experience in specialized fields. City International Hospital is the first and only international hospital at the gateway to the West of Ho Chi Minh City.
The HVAC system maintenance project at City International Hospital is a prime example of maintaining the performance and reliability of HVAC systems in a hospital environment – where air quality and temperature play a vital role. So, what steps are involved in HVAC system maintenance and what benefits does it bring? Let's explore the procedures, benefits, and real results of this project with Khoi Minh in this article.
Introduction to the HVAC System Maintenance Project at City International Hospital
The HVAC (Heating, Ventilation, and Air Conditioning) system is essential for maintaining a safe and comfortable environment in the hospital. City International Hospital understands the importance of regular HVAC system maintenance to maintain operational efficiency and ensure the safety of patients and staff. This maintenance project not only focuses on preventing unexpected incidents but also ensures that the system operates optimally for a long time.
The Importance of HVAC Systems in Hospitals
HVAC systems play a crucial role in controlling air quality and temperature, helping hospitals ensure a safe, clean, and comfortable environment. This is especially important in a hospital environment, where high hygiene standards are required to limit the spread of bacteria and viruses. HVAC systems also help create a comfortable space, supporting patient recovery and improving staff performance.
Objectives of the HVAC System Maintenance Project
The main objectives of the maintenance project are to maintain maximum performance of the HVAC system. Through this, the hospital can avoid unwanted incidents and ensure smooth, uninterrupted operation. At the same time, maintenance also helps to extend the life of the system, save repair costs, and optimize operating expenses.
What Does the HVAC System Maintenance Process Include?
HVAC system maintenance in the hospital requires a thorough process, including inspection, cleaning, maintenance, and updates to ensure the system always achieves the highest performance. This maintenance process is performed periodically to meet the strict requirements of the hospital.
Inspection and Evaluation of the Entire HVAC System
The first step in the maintenance process is to inspect and evaluate the entire HVAC system. The technical team will inspect important equipment such as compressors, fans, and sensors to ensure that everything is operating stably. In addition, this process also helps to detect potential errors for timely handling, avoiding unexpected incidents in the future.
Maintenance of Filters and Air Duct System
Cleaning and replacing filters regularly is an important step to maintain fresh air quality. Filters after a period of operation can be dusty and reduce air filtration efficiency. The maintenance team also inspects the air ducts to prevent leakage, ensuring stable and safe air circulation in the hospital.

Wall-mounted Air Conditioner Cleaning and Maintenance
Maintenance of Water Components and Cooling Systems
Cooling systems and water components are also inspected periodically to ensure the temperature in the hospital is always at an ideal level. Technicians will check water levels, clean tanks and check the performance of the cooling system, thereby maintaining a stable and safe environment for everyone.
Software and Control System Updates
The HVAC control system needs to be updated with software to ensure remote monitoring and operation capabilities. This not only helps optimize the operating process but also allows for quick system control when adjustments are needed. Updates also help the system always adapt to new requirements and improve performance.
Khoi Minh Takes on HVAC System Maintenance at City International Hospital
To maintain standard air quality in the hospital space and ensure the health of everyone, Khoi Minh has officially taken responsibility for maintaining the HVAC system at City International Hospital. Operating air conditioning systems in a medical environment requires high reliability and a standardized maintenance process. Below are the parts and equipment of the HVAC system that Khoi Minh has received for maintenance and servicing,
Chiller Maintenance
During the HVAC system maintenance process, Khoi Minh performs condenser cleaning to remove dirt, ensuring heat dissipation performance. We check overall operation, promptly detect abnormal signs and oil leaks, and monitor the supply voltage to avoid overload or power shortage. This process helps optimize performance, extend lifespan and ensure the system operates stably for City International Hospital.
Cooling Tower Maintenance
Cooling tower maintenance: inspection of belts, motor insulation, amps, volts, solenoid valves, etc., and cleaning of Y-strainers, honeycomb heat exchangers, draining and replacing new water for the cooling tower.
Water Pump Maintenance
During the maintenance process, checking and cleaning the electrical cabinet is an essential step to remove dust and ensure that the electrical circuits operate smoothly, preventing overheating or short circuits. In addition, we operate and monitor the building management system (BMS) to monitor and adjust operating parameters effectively, helping to optimize the entire HVAC system.

Cleaning the Chilled Water Y-strainer
AHU Maintenance
Cleaning and inspection of belts, motor amps, over-temperature protection settings, solenoid valves, BMS operation, temperature control devices, water temperature, pressure, bearing grease for fan shaft & motor, cleaning of Y-strainers, coils, and inspection of insulation.
FCU Maintenance
Cleaning of coils, air filters and inspection of belts, motor amps, solenoid valves, temperature control devices, water temperature, motor, fan blades, shaft bearings, cleaning of Y-strainers, valves, supply and return air grilles, and inspection of insulation of pipes and handling.
Benefits of Regular HVAC System Maintenance at City International Hospital
Regular HVAC system maintenance is an important factor in helping City International Hospital maintain a safe and comfortable environment for patients as well as medical staff. Through regular maintenance, the system operates more stably. Let's learn more about the other benefits of regular HVAC system maintenance with Khoi Minh.
Maintaining Optimal HVAC System Performance
One of the greatest benefits of regular HVAC system maintenance is that it helps the system operate stably and achieve maximum energy efficiency. This not only reduces operating costs but also prevents wear and tear on equipment, thereby extending the life of the hospital's HVAC system.

Water Pump Cleaning
Ensuring a Clean and Safe Environment for Patients
Fresh air quality and stable temperature are essential factors for patient recovery and avoiding cross-infection. By maintaining air quality through the HVAC system, the hospital not only protects the health of patients but also complies with medical safety standards.
Results Achieved from the HVAC System Maintenance Project
After the HVAC system maintenance process, significant improvements were noted, meeting the highest quality and safety standards. Below are the results after Khoi Minh completed the system maintenance and servicing, listed as follows
Equipment maintained in CIH's Chiller system:
- Water-cooled Chiller: 3 UNIT/MACHINE – Capacity: 1000RT
- Tháp giải nhiệt : 3 UNIT – Công suất : 1000RT
- Air Handling Units (AHU): 31 UNIT/MACHINE
- Dàn lạnh (FCU): 154 UNIT/MÁY
- Bơm nước : 8 UNIT/
- Air coditioner Split type : 6 UNIT/MÁY
- Primary air unit : 22 UNIT/MÁY
Improving the Operational Efficiency of the HVAC System
After completing the maintenance project, the hospital has observed a significant improvement in the operational efficiency of the HVAC system. Incidents have decreased significantly, helping the hospital save on repair costs and improve air quality. The system operates stably, helping maintain a comfortable and safe environment.

Khoi Minh: HVAC System Maintenance Project at City Binh Tan Hospital 2023
Ensuring the Satisfaction of the Hospital and Patients
City International Hospital has demonstrated professionalism and a commitment to service quality, not only meeting the strict requirements of the management but also providing a comfortable experience for patients. The satisfaction of the hospital and patients is a great motivation to continue maintaining and improving the quality of HVAC system maintenance services.
Khoi Minh sincerely thanks CIH for choosing, trusting, and supporting our services and products to maintain the chiller system for the CIH building, especially in the current competitive market.
We sincerely appreciate the opportunity CIH has given us and hope to continue working with CIH in the years to come.
Conclusion: Significance of the HVAC System Maintenance Project for CIty Hospital
Regular HVAC system maintenance in hospitals is a crucial factor in ensuring a clean and safe environment for patients and staff. This not only helps the HVAC system operate efficiently but also saves long-term costs. If you would like to know more details about professional HVAC system maintenance services, please contact Khoi Minh for thorough consultation and receive the optimal solution for your system.