• Lazz45
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    1 year ago

    Not necessarily in your house. I’m talking about the design of the units from when you were a child (Many public buildings in the EU have AC regardless of houses not having it). AC was invented in 1901, and has come a very long way since then, and we have begun combining it with old principles to extract the best of both solutions

    Combining modern refrigeration/cooling techniques with well designed passive systems that exploit material properties (Heat capacities, transfer coefficients, etc.) to their advantage is the future of HVAC. It started with CFCs and knowing we could exploit their boiling point with mechanical force to chill air beyond the outside air temperature. Who knows where science and engineering may take us next!

    • Cooling a ware house, lecture hall or mall is very different from cooling an apaprtement building. In particular because most of the former have been designed with AC in mind.

      Who knows where science and engineering may take us next!

      Not beyond the hard limits of physics. You are not going to retrofit an appartement building built in 1900 or 1970 or 2000 for that matter with an efficent heating/cooling system without major rebuilding.