A new Eurac Research article published in the scientific journal Energy and Buildings, carried out an experimental study for the validation of a novel algorithm for automatic ceiling fan control in residential buildings. Aim of the work is to find a solution to provide comfort in warm climates while reducing reliance on energy-intensive air conditioning.

The researchers developed an innovative automatic control algorithm for ceiling fans and validated it through comprehensive environmental chamber experiments, carried out carried out in the Façade System Interactions Lab.

The study involved 30 participants who experienced different room temperatures and fan operation modes over multiple test sessions. Researchers evaluated both thermal comfort and air quality perception through standardized surveys, comparing the performance of automatic control against manual operation. The research also analyzed the impact of the airflow direction, testing both Direct (downward flow) and Reverse (upward flow) modes to understand their effectiveness in providing comfort.

Through rigorous testing and statistical analysis, the study demonstrated that automated ceiling fans can effectively maintain comfort while offering energy-efficient cooling alternatives.

"The research presents a significant advancement in residential cooling technology. We've demonstrated that automated ceiling fans can achieve the same comfort levels as manual operation in homes - a finding that transforms how we think about user control in building systems. Through careful experimentation, we validated that our control algorithm maintains both thermal comfort and air quality even as room temperatures increase up to 31°C. This practical solution offers an immediate pathway to reduce cooling energy use while ensuring occupant satisfaction. As we face increasing challenges from climate change and seek solutions for plus-energy buildings, this research provides a tangible step toward more sustainable cooling strategies" says Akshit Gupta first author of the study.

Original article available here