Document Type



Master of Science (MS)


Mechanical Engineering

First Advisor's Name

Yiding Cao

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Leonel Lagos

Second Advisor's Committee Title

Committee Member

Third Advisor's Name

Chang-Xian Lin

Third Advisor's Committee Title

Committee Member


Mechanical Engineering

Date of Defense



The objective of this thesis is to create an automatic water management system capable of optimizing the usage of warm water stored in two water tanks to reduce the monthly energy consumption of the instant water heater installed in a residential house. This system is called Water Mixing System (WMS). The two heat sources considered are: PV-T system and heat rejected by the air condition system. The PV-T system is a new technology that allows transformation of the sun radiation into both electricity and warm water, increasing the efficiency of the panel compared to either a common photovoltaic panel or solar collector. The air-conditioning heat source, instead, recovers the heat rejected by the condenser to the environment by employing a heat exchanger that stores the heat collected in the water tank.





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