Climate control in the workplace is no longer just a matter of comfort. In situations of extreme heat or cold, productivity can drop by 10% to 15%, according to data cited by the National Center for Biotechnology Information. In regions such as the Midwest, where winter combines low humidity with fluctuating temperatures, team performance responds quickly to conditions within the corporate space. The relationship between indoor climate and work performance is more direct than many projects realize.
What Affects Cognitive Performance
Three factors determine thermal comfort in occupied spaces: temperature, relative humidity, and air exchange. In offices with low air exchange, carbon dioxide accumulates throughout the day, directly affecting concentration, reasoning, and perceived fatigue. Studies from the Harvard T.H. Chan School of Public Health have shown that environments with adequate ventilation lead to better cognitive performance among staff.
At the same time, very dry air irritates the respiratory tract and causes ongoing discomfort. The WHO recommends relative humidity between 40% and 60% for indoor environments. During dry seasons, without active control, this level drops below 30% in offices. The practical result is respiratory complaints, headaches, and a decline in team engagement.
The Impact of Air Conditioning on Electricity Consumption
Data from the Energy Research Company indicate that air conditioning can account for about 47% of electricity consumption in Brazilian commercial buildings. During peak periods, this percentage rises. Improperly sized or poorly maintained systems operate outside the efficiency range, resulting in high costs and inconsistent performance.
Patrick Galletti, a mechatronics engineer and CEO of Grupo RETEC, notes that dirty filters, inadequate refrigerant levels, and miscalibrated sensors cause the system to work under unnecessary strain. This increases energy consumption and compromises the quality of the air delivered to the environment. In this context, preventive maintenance ceases to be an expense and becomes an integral part of business operations.
Affordable technologies for immediate results
Occupancy sensors, programmable thermostats, and inverter systems automatically adjust equipment output based on actual room occupancy. Studies published in Millenium magazine indicate that these adjustments can reduce energy consumption by up to 30% without compromising comfort. In corporate buildings, zone-based operation prevents empty areas from being conditioned with the same intensity as occupied spaces.
In medium- and large-scale projects, systems such as VRV (Variable Refrigerant Volume) and chilled water systems with smart automation enable precise control and efficient operation. In smaller offices, the combination of inverter equipment with sensors and programming already delivers significant benefits.
Outdoor air ventilation and perceived quality
Adequate outdoor air ventilation is not reflected in traditional thermal comfort indicators, but it has a direct effect on absenteeism, respiratory complaints, and fatigue. In high-occupancy corporate environments, air handling units with fine filtration maintain CO₂ concentrations within an appropriate range and protect against outdoor particulate matter during events such as wildfires and severe urban pollution.
In hospitals, schools, and laboratories, outdoor air ventilation is an integral part of the design. In offices, it has gained importance in recent years. The balance between airtightness, outdoor air ventilation, and filtration determines the air quality perceived by occupants.
What to Consider in Corporate Projects
- - Calculate the thermal load based on actual occupancy and variations throughout the day.
- - Specify equipment with inverter technology and Inmetro's A-efficiency rating.
- - Integrate occupancy sensors, programmable thermostats, and zone control.
- - Ensure that filtration and outdoor air ventilation are compatible with the use of the space.
- - Keep the PMOC active and stay up to date with preventive maintenance.
RETEC provides corporate HVAC solutions for medium- and large-scale construction projects, offering technical support and a focus on operational performance. For projects that combine energy efficiency and thermal comfort, contact the sales team.
We were featured in an article on this topic on the Mundo do Ar Condicionado e da Refrigeração website. The topic of thermal comfort and productivity in the workplace was addressed in an article written by Patrick Galletti, CEO of Grupo RETEC. Read it at: https://mundodoaredarefrigeracao.com.br/produto/artigo-climatizacao-e-produtividade-a-importancia-do-conforto-termico-no-ambiente-de-trabalho-por-patrick-galletti/