r/whatisit • u/NerdyAutistic • 10h ago

Solved! What is this?

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Gallery image

Gallery image

This was installed into our in ceiling heating/air unit over night at my job. It was never been there before and my coworker was panicking and making a fuss about it.

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u/NerdyAutistic 10h ago

It does extend out into a some what dome shape but idk why this wouldve been added as our system is not new and has been in this building for several years.

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u/Sensitive_Ad3578 10h ago

Because these systems are modular and a Mitsubishi rep likely contacted your building's engineering department telling about an upgrade that would provide more energy efficiency. These types of systems are becoming more and more common to save energy

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u/FlattenInnerTube 8h ago

More efficient? So hotter in the summer and colder in the winter, right?

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u/johimself 8h ago

Yes, more efficient than heating/cooling a room that no one is in.