What does this research mean for the field?

Solar energy utilization in heating, cooling, ventilation, and water heating systems for detached houses significantly reduces annual power consumption and improves system efficiency. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The central aim is to enhance the operational efficiency of heating, cooling, and ventilation systems that utilize solar energy.

February 22, 2026AIJ Journal of Technology and Design0 citationsOpen Access

Research on Improving of Heat Pump and Fan Operation Methods in Houses With Solar Energy Utilization Heating, Cooling, Ventilation, and Water Heating Systems

ANAoi Nishijima KTKozo TAKASE MMMasayuki MAE

Key Points

The central aim is to enhance the operational efficiency of heating, cooling, and ventilation systems that utilize solar energy.
Conducted experiments to measure electricity consumption and airflow characteristics.
Developed a simulation model to mimic system behavior during summer and winter.
Analyzed the impact of air pressure loss on system performance.
Observed reductions in annual power consumption for systems using solar energy.
Improved efficiencies of heating, cooling, and ventilation systems were verified.
Identified significant correlations between system design and operational efficiency.

Abstract

In this study, research on solar-energy-utilizing heating, cooling, ventilation, and water heating systems for detached houses was conducted to verify its effectiveness in reducing annual system power consumption and improving system efficiency. Based on experiments, the amount of electricity consumption by the fan and the airflow characteristics due to the loss of air pressure of each component were determined. The simulation method was developed to replicate the behavior of the system in summer and winter.

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