Tankless microwave water heating systems have been introduced that not only quickly provide hot water but also significantly reduce the exergy destruction inherent in domestic water heating with conventional electrical and gas-fueled water heaters.
For a 230m2 dwilling in your local, investigate the feasibility of using a microwave water heating system.
Include a detailed economic evaluation accounting for equitment, installation, and operating costs. Place your findings in a memorandum.
(Principles of Enginnering Thermodynamics, 8th Edition, SI VERSION, WILEY, p365)
(5minute speech with PPT)