If your company is relying on the savings on their utility bill to stay afloat then ya’ll are fucked and probably past expiration already.

Turn it on anyway. If they say amything it’s an OSHA violation. Also, record your interactions with management so it is documented. If they can surveil you, you can surveil them.

Run DMC?

I’d like a little more background. I’ve worked construction in August Virginia heat, and we didn’t get A/C on our jobsite.