Re: [Vo]:Repeatable COP of ~1.5 seems to be reported by many

The (astro)physicist Sabine Hossenfelder discusses the claim on her channel. She has 1.4 million subscribers. https://youtu.be/TEzsBhJTgpc harry On Mon, Jul 22, 2024 at 3:42 PM Jed Rothwell wrote: > Andrew Meulenberg wrote: > > At low external temperatures, many heat pump systems switch over

Re: [Vo]:Repeatable COP of ~1.5 seems to be reported by many

Andrew Meulenberg wrote: At low external temperatures, many heat pump systems switch over to ohmic > heating. > I had one that did that at ~40 deg F, here in Atlanta. Which is not very cold. I think more modern ones go lower. An online source says they go down to 25 deg F. Mine did not have an