@dsj @jcmj @jcates29 @phetphet There are some important differences between vented dryers and heat pump dryers. Vented dryers typically run at 75°C to 80°C. This isn’t good because the threshold where cotton fibers and elastic collars start to warp, bake, and experience severe structural degradation is right around 60°C. For example, the LG DUAL Inverter Heat Pump model RV10VHP3W operates at a much safer 50°C to 55°C on the standard easy care cycle. Onto the next point, do heat pump dryers really dry your clothes? I watched my friend put a load of about 15 to 20 T-shirts in the dryer, and after about 2 to 2.5 hours they were very dry, the dryer possibly even got a bit too hot, since the clothes were very hot and dry to the touch when finished. This was on the regular "Cotton" setting, which is good if you want to shrink clothes a bit, but it can also start to cause damage, so it’s safer to use the "Easy Care" cycle. If you really want to get the same high temperature on this heat pump model as with a vented dryer, put the setting on "Cotton", then click on dry level and set it to Extra/Cupboard+, and it will run at similar high temperatures to a vented dryer. Also, does a heat pump dryer machine get hot and give off some heat? All dryers do. Vented dryers actually get hotter, since they typically dry clothes at higher temperatures than heat pump dryers. The fact that heat pump dryers take longer to dry the same clothes is a good thing. It means lower heat and less clothing damage. If you dry a large load and the dryer gets the whole load dry within 45 minutes, that’s not a good thing. The clothes are being damaged and the colors faded. Also, I don't think these LG dryers have a built in obsolescence. They have a 10 year warranty on the Dual Heat Inverter system. Since technology keeps improving, it's probably not a bad idea to replace machines every 10-12 years anyway. One last point, my current old dryer only has only a 5kg drum capacity, that means I often have to split a load of laundry into two batches and dry them each separately for about an hour. The heat pump dryer will take longer but it has a 10kg drum, so it has a much larger drying capacity, which means the total dry time for one full load will take about the same total time.
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