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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. hanno‏ @hanno Sep 22

      Having bought a washing machine lately I realized again how incredibly unhelpful the EU energy labels have become.

      2 replies 7 retweets 14 likes
      Show this thread
    2. hanno‏ @hanno Sep 22

      If you think buying a device with "A+" energy is good - you'd be as wrong as it can get. A+ is the lowest category that's still allowed to be sold, although plenty of places will tell you the categories go down to D.

      2 replies 6 retweets 12 likes
      Show this thread
    3. hanno‏ @hanno Sep 22

      Now the highest category is A+++. So you think buying an A+++ washing machine is pretty efficient? You'd be wrong again. The worst A+++ devices use twice as much electricity as the best ones on the market.

      3 replies 4 retweets 15 likes
      Show this thread
    4. hanno‏ @hanno Sep 22

      The last update for these labels was 2011 in the case of washing machines. They're pretty much historic by now.

      2 replies 2 retweets 7 likes
      Show this thread
    5. Rich Felker‏ @RichFelker Sep 22
      Replying to @hanno

      Is energy use really a consideration for washing machines? Assuming you're also drying your laundry, >95% of the energy spent is going to be on drying anyway, no?

      1 reply 0 retweets 0 likes
    6. hanno‏ @hanno Sep 22
      Replying to @RichFelker

      I did a quick check, this doesn't seem to be close to true, it's more like 2:1. But it doesn't really matter for the point I'm trying to make: The labels for dryers are just as outdated. (Also I dry my laundry on the balcony.)

      1 reply 0 retweets 1 like
      Rich Felker‏ @RichFelker Sep 22
      Replying to @hanno

      Seems unlikely. In US dryer requires a 240V, 30A circuit at least. Washer is happy plugged in a normal outlet on a shared 120V 15A or 20A circuit. Also dryer runs much longer for same load. So I would expect something like 5:1 at best, more like 10:1 to 20:1.

      11:49 AM - 22 Sep 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Andreas Schilling‏ @styx_hcr Sep 22
          Replying to @RichFelker @hanno

          30A? What kind of dryers do you have? That sounds close to loading infrastructure for EVs.

          1 reply 0 retweets 0 likes
        3. Vlastimil Babka‏ @tehcaster Sep 22
          Replying to @styx_hcr @RichFelker @hanno

          I think it might be non-condensing dryer? Our condenser is fine with the standard 16A 240V, I assume it uses even less...

          1 reply 0 retweets 0 likes
        4. Rich Felker‏ @RichFelker Sep 22
          Replying to @tehcaster @styx_hcr @hanno

          Your dryers have heat pump/dehumidifier in them?! Wow. Ours are literally big electric heaters.

          2 replies 0 retweets 1 like
        5. Vlastimil Babka‏ @tehcaster Sep 22
          Replying to @RichFelker @styx_hcr @hanno

          Yep they have, except maybe cheapest ones.

          2 replies 0 retweets 1 like
        6. Rich Felker‏ @RichFelker Sep 22
          Replying to @tehcaster @styx_hcr @hanno

          Wow, nice. The idea of "energy efficient" dryer here is tuning the sensing-dry mode to shut off while the clothes are still wet so you have to keep restarting it, and only measuring energy used til the first time it cuts off for the advertised "efficiency".

          2 replies 0 retweets 1 like
        7. Vlastimil Babka‏ @tehcaster Sep 22
          Replying to @RichFelker @styx_hcr @hanno

          So from what I've quickly browsed, everything sold here is condensing (no ventilation of wet air to outside), and most indeed have heat pump (A++ and better). Back to the original topic, maybe the EU energy labels did help here?

          1 reply 0 retweets 1 like
        8. hanno‏ @hanno Sep 22
          Replying to @tehcaster @RichFelker @styx_hcr

          to be clear: I'm certain the energy label system has helped in the past. It just lacks an update mechanism. It's a label for the best technology of 2011 - which was helpful in 2011.

          1 reply 0 retweets 2 likes
        9. Andreas Schilling‏ @styx_hcr Sep 22
          Replying to @hanno @tehcaster @RichFelker

          True.

          1 reply 0 retweets 0 likes
        10. 1 more reply

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