February 9, 2024

How is employee attendance determined by the AirCons at your workspace

In the ever-evolving landscape of contemporary business, where success is predicated on the delicate balance of productivity and employee well-being, the role of seemingly mundane factors comes into sharp focus. Among these, air conditioning emerges as a linchpin, exerting a profound influence on employee attendance—the lifeblood of organizational success. This comprehensive exploration takes us beyond the surface, delving into both the physiological and psychological dimensions that underscore the critical importance of optimal atmospheric conditions. We venture into the intricacies of human comfort, air quality, and the broader implications of a comfortable workspace, all connected by the invisible thread of air conditioning.

Brice Degeyter
Brice Degeyter
Bizsu founder
A stressed employee

The Human Comfort Equation:

Central to our exploration is the intricate concept of human comfort, a multifaceted interplay of variables such as temperature, humidity, and air quality. To truly understand how these elements shape employee attendance, we delve into the physiological aspects that define human comfort. Human physiology maintains a delicate balance between heat production (metabolic rate) and heat dissipation to the environment, dictating an individual's thermal equilibrium. This equilibrium is a cornerstone of comfort, influencing overall well-being and, subsequently, attendance at the workplace. The clothing insulation worn by individuals, in tandem with their metabolic rate, delineates the boundaries of the thermal comfort zone within which they operate optimally.

The Air We Breathe:

Far from being a passive bystander, the ambient air within our workspaces actively shapes the daily experiences of employees. Scientific principles, particularly the ideal gas law, underscore the role of temperature and pressure in defining the state of air. As organizations strive to maintain conducive working environments, the quality of indoor air emerges as a pivotal factor influencing cognitive function, mood, and overall health.

Beyond temperature control, air conditioning systems must prioritize air purification to ensure a workspace genuinely conducive to employee well-being. The presence of pollutants and contaminants in indoor air can lead to a range of health issues, including respiratory problems and decreased cognitive function. Thus, a comprehensive approach to air quality is essential for fostering an environment that supports employee attendance and overall productivity.

Desired, Wet Bulb, and Dry Bulb Temperatures:

Optimal human comfort requires a nuanced understanding of desired, wet bulb, and dry bulb temperatures. While desired temperatures encompass the range within which the majority of individuals feel comfortable, achieving this comfort extends beyond a simple adjustment of the thermostat.

Wet bulb temperature, accounting for humidity and reflecting the cooling effect of moisture evaporation, and dry bulb temperature, representing the ambient air temperature without factoring in humidity, contribute to the complexity of the comfort equation. Achieving an optimal balance between these parameters requires sophisticated air conditioning technology capable of adapting to diverse environmental conditions.

Mathematical Laws Governing Human Comfort:

The intricate relationship between human comfort and air temperature finds expression in empirical models. The Predicted Mean Vote (PMV) and Predicted Percentage Dissatisfied (PPD) indices, derived from the heat balance equation, offer a quantitative understanding of the thermal comfort experienced by individuals.

In these equations, PMV represents the Predicted Mean Vote, PPD is the Predicted Percentage Dissatisfied, M denotes metabolic rate, and Ta is the air temperature in degrees Celsius.
M - the metabolic rate, in Watt per square meter (W/m2);
W - the effective mechanical power, in Watt per square meter (W/m2);
H - the sensitive heat losses;
Ec - the heat exchange by evaporation on the skin;
Cres - heat exchange by convection in breathing;
Eres - the evaporative heat exchange in breathing.

Global Perspectives on Comfort:

Temperature preferences exhibit considerable diversity across different countries, shaped by climatic, cultural, and individual variations. Recognizing and accommodating these differences is crucial for creating inclusive workplaces that cater to the diverse needs of a global workforce.

For example, China tends to have a higher tolerance for warmer temperatures, reflecting the climatic conditions prevalent in many regions. In the United Arab Emirates (UAE) and Singapore, where tropical climates prevail, a preference for cooler indoor environments is apparent. Dubai, with its arid desert climate, also leans towards cooler settings. In India, with its diverse climate, there are varying preferences across regions. The United States, characterized by a range of climates, exhibits notable diversity in temperature preferences, with considerations ranging from colder climates in the northern states to warmer preferences in the southern regions.

Scientific Data and Comparative Analysis:

Scientific data on human comfort preferences across different countries provide valuable insights for creating optimized working environments. Studies employing the adaptive thermal comfort model, which considers factors such as clothing insulation and metabolic rate, offer a more accurate representation of human comfort preferences.

For instance, a comparative study between Beijing, China, and Chicago, USA, revealed distinct variations in preferred indoor temperatures. The adaptive model allows for the accommodation of these differences, recognizing that comfort is not a one-size-fits-all concept. Further studies in the UAE and Singapore emphasize the significance of maintaining lower indoor temperatures to counter the challenges posed by hot and humid climates. The use of advanced air conditioning systems becomes imperative in such regions to ensure that indoor conditions align with the preferences of the workforce.

The Cost of Discomfort: 

Neglecting the impact of ambient conditions on human comfort can have tangible consequences for employee attendance. The body's response to thermal stress, governed by physiological laws, can lead to decreased concentration, heightened fatigue, and an overall decline in well-being. In turn, these factors contribute to increased absenteeism, undermining the organization's overall productivity.

The financial implications of employee absenteeism are substantial and cannot be understated. Beyond the immediate loss of productivity, companies face additional costs associated with hiring temporary staff, overtime payments to existing employees, and potential impacts on project timelines. The ripple effects extend to decreased morale among remaining staff and potential long-term consequences for the company's reputation and client satisfaction.

To put it in perspective, let's consider a hypothetical scenario: Company X, with 500 employees, experiences a 10% increase in absenteeism due to discomfort-related issues. If each employee, on average, earns $50,000 per year and the cost of temporary replacements and overtime payments amounts to an additional $10,000 per absent employee, the total financial impact would be significant. The direct cost of absenteeism alone would be $250,000, not accounting for potential indirect costs associated with project delays, decreased morale, and client dissatisfaction.

Proposing Solutions for Optimal Comfort:

Mitigating the adverse effects of discomfort on attendance and the resultant financial ramifications requires a holistic approach. Organizations must invest in state-of-the-art air conditioning systems that prioritize both temperature control and air quality. Incorporating smart technologies that allow employees to personalize their workspace temperatures can further enhance overall comfort.

Proactive measures, such as promoting proper ventilation and integrating greenery into office spaces, contribute to a healthier and more comfortable work environment. Leveraging data analytics to monitor and adjust indoor conditions in real-time ensures a responsive and adaptive approach to maintaining human comfort.

Furthermore, implementing employee engagement initiatives and wellness programs can contribute to a positive work culture that fosters employee satisfaction and reduces the likelihood of absenteeism due to discomfort-related issues. The overall aim is to create an environment where employees not only feel comfortable but are also motivated and engaged in their work. Beyond the immediate financial benefits, these investments contribute to long-term gains in terms of employee retention, talent attraction, and a positive corporate image. Companies that prioritize the well-being of their employees signal a commitment to creating a supportive and inclusive work environment.


In the complex tapestry of corporate success, the role of air conditioning in shaping employee attendance emerges as a pivotal factor. From the intricacies of human comfort and the influence of indoor air quality to the mathematical laws governing thermal equilibrium, every element contributes to the larger narrative. Recognizing the global diversity in temperature preferences and leveraging scientific data for tailored solutions underscore the need for a nuanced and comprehensive approach.

As organizations strive to optimize employee attendance and productivity, the integration of advanced air conditioning systems becomes not just a luxury but a strategic imperative. A workspace that prioritizes human comfort is not merely an expense; it is an investment in the well-being and commitment of its most valuable asset—its people. In the pursuit of a thriving and engaged workforce, the invisible thread of air conditioning weaves a story of comfort, productivity, and organizational success. The financial benefits of such an investment extend beyond the intangible gains of improved morale and retention; they directly impact the bottom line, creating a virtuous cycle of success in the modern workplace.