this post was submitted on 12 Sep 2023
746 points (98.2% liked)

Technology

59323 readers
4891 users here now

This is a most excellent place for technology news and articles.


Our Rules


  1. Follow the lemmy.world rules.
  2. Only tech related content.
  3. Be excellent to each another!
  4. Mod approved content bots can post up to 10 articles per day.
  5. Threads asking for personal tech support may be deleted.
  6. Politics threads may be removed.
  7. No memes allowed as posts, OK to post as comments.
  8. Only approved bots from the list below, to ask if your bot can be added please contact us.
  9. Check for duplicates before posting, duplicates may be removed

Approved Bots


founded 1 year ago
MODERATORS
 

Oxford study proves heat pumps triumph over fossil fuels in the cold::Published Monday in the scientific journal Joule, the research found that heat pumps are two to three times more efficient than their oil and gas counterparts, specifically in temperatures ranging from 10 C to -20 C.

you are viewing a single comment's thread
view the rest of the comments
[–] DarthBueller@lemmy.world 34 points 1 year ago (1 children)

Excellent. Now I know that there are different classes of heat pump. Mine is not for prolonged crazy-low temps, others are. Thank you.

[–] alvvayson@lemmy.world 21 points 1 year ago* (last edited 1 year ago) (2 children)

Indeed, but yours is probably cheaper and more effective at cooling when it's hot and humid out.

For people up north, they will buy a "cold climate air source heat pump". In temperate regions, an "air source heat pump" will suffice, while down south you will buy an "A/C with a heating mode" (also called reversible A/C).

And it's not just about whether the coils can defrost. The whole machinery and refrigerant are different to optimize under those conditions. A cold climate heat pump has a setup that is more similar to a freezer than it is to an A/C.

Sorry about the downvotes. People need to re-learn internet etiquette.

[–] DarthBueller@lemmy.world 10 points 1 year ago

This is the most informative answer yet. Thanks.

[–] gears@sh.itjust.works 9 points 1 year ago

Thanks for spreading correct knowledge, as someone who works for a manufacturer of heat pumps it's refreshing