The commercial building is located in Pensacola of Florida and is served by grid power. The solar collector loop, building, and geothermal air conditioning system are modeled using TRNSYS with the required input for the ORC system derived from the previous study. In this paper, the system requirements needed to maintain the electricity demand of a commercial building have been compared for the 11 suggested fluids. In the authors' previous work, 11 fluids have been suggested to be employed in solar ORCs that use low-temperature or medium-temperature solar collectors. The objective of this paper is to determine the optimal solar collector type and temperature of a building-scale power generation system employing solar organic Rankine cycle (ORC) engine for a geothermal air-conditioned net zero-energy building (NZEB) in a hot and humid climate. Journal of Verification, Validation and Uncertainty Quantification.Journal of Thermal Science and Engineering Applications.
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![trnsys google sketchup trnsys google sketchup](https://www.mdpi.com/energies/energies-13-05761/article_deploy/html/images/energies-13-05761-g006.png)
It was calibrated by a residential building in Harbin. To solve this problem, a residential building heating system model considering the thermo-hydraulic coupling and demand-side regulation was built on TRNSYS 18.
![trnsys google sketchup trnsys google sketchup](https://ars.els-cdn.com/content/image/1-s2.0-S0378778819324521-gr1.jpg)
And there is still no reasonable model method to prove the feasibility of demand-side regulation. The existing simulation model methods are difficult to evaluate the interaction of user regulation. Demand-side regulation is a practical method to decrease the overheating loss and improve comfort level of users.