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by maccard
1054 days ago
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> 15-20 year old fridges are about 35% less energy efficient than the best modern fridges, not 100x I apologise that you took orders of magnitude literally. I'll settle for an entire order of magnitude really. I think it's _way_ more than 35%, though. > It looks like very efficient fridges today use about 400kWh per year. Those are the best (not the average). Where did you get that number from? Here's [0] a $220 fridge that advertises at 90 kWh. I found another that claims 61 kWh, but it's $1800 so I left it. 20 years ago is a very specific timeframe, if you go back 25 years you're also likely talking about removing a bunch of horriffic CFC's which were widespread at the time. I'm finding it hard to find numbers for that time frame though, the only ones I can find are early 90's claims of 1700+kWh/year. But yes, I concede, we have not had a 100x improvement in energy efficiency in 20 years. The entire rest of my post stands, and I think we've seen a 10x improvement in efficiency. At today's electricity price in the UK, the savings from a 550 kWh fridge to the one I linked above would pay for the fridge in a little over a year. Said fridge is under guarantee for 2 years in the EU/UK, so it's a _guaranteed_ cost saving over that time period. [0] https://ao.com/product/rl170d4bwe-hisense-fridge-white-80358... |
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I then Googled "refrigerator annual energy consumption 2000" and landed on https://blog.arcadia.com/much-electricity-refrigerator-uses/
BTW, your link [0] is to a mini-fridge (without a freezer section), not a full-size fridge. It claims 132 liter capacity, while a full-size fridge tends to be 550 to 700 liters (4 to 5 times the size). If you're going to compare a mini-fridge to a full-size fridge/freezer in order to try to win an internet argument, enjoy your trophy.
[0] - https://ao.com/product/rl170d4bwe-hisense-fridge-white-80358...