Comfort in an environment is defined as:

Comfort in an environment, particularly in terms of building maintenance and design, often pertains to the perception of thermal equilibrium, where individuals feel neither too hot nor too cold. The idea of having "no sense of temperature difference" captures this concept perfectly, as it indicates that the environment is balanced to the point where occupants are not aware of significant fluctuations in temperature.

When the temperature is consistent and within a comfortable range, people can focus on their tasks without being distracted by discomfort caused by extreme heat or cold. This state of equilibrium is crucial in heating, ventilation, and air conditioning (HVAC) systems that aim to maintain a consistent indoor climate.

While factors such as humidity, aesthetic values, and warmth contribute to an overall sense of comfort, it is the absence of noticeable temperature differences that is key to achieving a truly comfortable environment where occupants can thrive without environmental discomfort.