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Classroom Health Insights: Advanced HVAC Strategies to Combat Viral Spread with Bard HVAC

Advanced HVAC Approaches for Mitigating Viral Spread


Understanding the critical role of Bard HVAC Classroom Health strategies is essential in today’s educational environments. This article delves into how Bard HVAC systems can be leveraged to combat viral spread in classrooms, ensuring a healthier learning space for students and staff. In the age of viral pandemics, the educational ecosystem requires innovative HVAC solutions to create a safe environment for students and staff. Bard, a renowned name in the HVAC industry, emphasizes the importance of understanding classroom dynamics to combat the spread of infectious particles effectively. This insight delves into Bard’s advanced HVAC strategies that not only prioritize classroom health but also transform learning spaces into zones of comfort and safety.

Improving Air Quality with Bard HVAC.

AEH denotes the number of times fresh air replaces the air in a given space within an hour. Ensuring adequate AEH is crucial in densely populated spaces like classrooms, as fresh air dilution significantly reduces the concentration of airborne contaminants.

Bard’s HVAC systems are meticulously designed to regulate fresh air during class hours and amplify outside air during unoccupied periods. This not only dilutes viral concentrations but also pre-purifies the classroom environment before and after occupancy.

Single Packaged Vertical Units (SPVU): The Bard Advantage

Every classroom is an ecosystem with unique temperature, humidity, and ventilation requirements. Traditional HVAC systems often struggle to cater to these individualized demands. Bard’s SPVU offers an avant-garde solution:

  • Independence: Each classroom gets its dedicated unit, providing precise climate control tailored to its unique needs.
  • Energy Efficiency: Bard units, such as the Exterior Wall-Mount, Interior I-TEC, and Q-TEC series, are not only budget-friendly but also resource-efficient, ensuring substantial energy savings.
  • Quiet Operation: These units prioritize minimal sound emissions, ensuring an undisturbed learning environment.
  • Optimal Filtration: Bard systems can efficiently handle MERV 13 filters, which are recommended for effective virus particle filtration.

Filtration: The First Line of Defense

Filters play a crucial role in reducing airborne concentration of viruses. A study from the Harvard School of Public Health emphasizes the benefits of upgrading to MERV-13 or higher, given the system can handle the resistance. Bard’s units are engineered with large filters and low-pressure drops, making them ideal for these high-efficiency filters. Moreover, Bard’s 3.5 ton system installed in an average classroom can filter its entire air volume four times every hour, ensuring constant purification.

Ventilation: Diluting Contaminants

Ventilation is the unsung hero in the fight against airborne pathogens. Fresh outside air dilutes classroom contaminants, with Bard systems providing tailored amounts of this fresh air based on design needs and local regulations. Bard’s HVAC solutions can operate throughout the night, ensuring a fresh start each day.

Advanced Features of Bard HVAC Systems

ASHRAE recommends maintaining relative humidity between 30-60% in occupied spaces. Bard’s HVAC solutions offer units equipped with factory-installed humidity controls and energy recovery ventilators, ensuring optimal moisture levels in the classroom.

Supply Air Path Strategies

Per ASHRAE recommendations, HVAC airflow should avoid the breathing zones of occupants. All Bard’s HVAC designs ensure that high-velocity air is directed above these zones, minimizing the risk of spreading airborne particles.

UVC-LED Technology

This is a cutting-edge solution in the fight against airborne pathogens. By exposing the air to specific wavelengths of UV-C light, microorganisms, including viruses, can be effectively neutralized. Bard offers incorporation of this technology providing an added layer of protection, ensuring classrooms are as safe as they can be.

The Limitations of Centralized AC Units

Traditional centralized AC systems for large spaces or entire buildings come with several shortcomings, especially in
the context of classrooms:

  • Risk of Cross-contamination: Centralized systems circulate air across rooms, increasing the chances of crosscontamination.
  • Inefficiencies in Space-Specific Control: They lack individualized control, resulting in uneven cooling or heating and improper ventilation in certain areas.
  • Operational Costs: High energy consumption due to their ‘one-size-fits-all’ approach.
  • Maintenance Challenges: Centralized systems often require more extensive downtime for maintenance, affecting the overall comfort of the building’s occupants.


In summary, Bard’s HVAC strategies underline a multifaceted approach to ensure classroom health. By amalgamating advanced ventilation, filtration, humidity control, air path strategies, and the promising UVC-LED disinfection technology, Bard’s systems pave the way for healthier, safer educational environments.

When contrasted against traditional centralized air systems, Bard’s HVAC solutions outshine in terms of efficiency, localized control, and direct health benefits. Centralized systems often compromise on individual room air quality, pose risks of cross-contamination, and lack the advanced features Bard’s units offer. Therefore, schools and institutions looking to prioritize both health and efficiency should consider Bard’s Exterior and Interior Wall-Mount Air Conditioners as their top choice.


Harvard School of Public Health
ASHRAE Guidelines
Bard Product Manuals and Specifications

For more information on HVAC systems and classroom health, visit EPA’s Indoor Air Quality in Schools.