News for hackers. Stuff that matters.

A comment on The five-year engineering feat Germany pulled off in months. Parent comment

Re:The five-year engineering feat Germany pulled off in months by Too on Sunday December 11, 2022 @03:00PM (#33946868)
Heat pumps have efficiency above 100%, by exchanging and transporting heat, instead of generating it. 2-4x for air pumps and close to 5x for geo.
[ Parent | on HN ]

There are no comments on this comment yet.