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LG 10k BTU (DOE/SACC) Dual Inverter Smart Portable Air Conditioner $549.99
$549.99
$629.99
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This seems to be an under spec LP1419IVSM at 500 sq ft [lg.com] vs 450 sq ft [https] for $100 less.
https://www.costco.com/lg-10k-btu...54238.htm
This seems to be an under spec LP1419IVSM at 500 sq ft [lg.com] vs 450 sq ft [https] for $100 less.
https://www.costco.com/lg-10k-btu...54238.htm
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https://www.nytimes.com/wirecutte...ndi
https://www.nytimes.com/wirecutte...ndi
I don't see this model in the article
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The hose in itself radiates a massive amount of heat back into the room, since it is not insulated, and that is the biggest inefficiency for dual and single hose units. Insulating that will make a better difference than adding a dedicated intake hose, otherwise its a long space heater sitting in the middle of your room. The negative pressure thing is real, but running your kitchen or bathroom ventilation fans creates negative pressure too and it doesn't drastically change the temperature of the house (if anything, it usually helps cool it).
Bottom line is that a single hose unit will cool your room down just fine.
Yes, the idea that your dual hose separating the hot and cold away is correct in theory but the reality may not be when real efficiency is found in insulation and output/input. I've found no measured data in a lab comparing dual vs single hose portable AC units, all of this is based on manufacture clams.
If I wanted efficiency I would go with a split system with high BTUs and remove all heat including myself from the equation versus a $40 insulated hose that is likely all that is needed in this case but without real measurements no one knows. I would love a link to a study because I would love to be wrong.
Source: An engineer that had thermodynamics.
Last year during the heat wave where temps hit 90s and 100s, this kept my condo cool at a nice 70 degrees. Best thing is that this is probably the quietest portable AC you can buy due to the inverter, you can sleep with it right next to you whereas my old one was like a rumbling engine.
I've also never had to drain this, I even opened it up to check one and there was no water. There's a setting where you long press one of the buttons such that it always evaporates for an additional 15 minutes after you turn it off.
The next best thing to this would be a window inverter unit such as: https://www.homedepot.c
Yes, the idea that your dual hose separating the hot and cold away is correct in theory but the reality may not be when real efficiency is found in insulation and output/input. I've found no measured data in a lab comparing dual vs single hose portable AC units, all of this is based on manufacture clams.
If I wanted efficiency I would go with a split system with high BTUs and remove all heat including myself from the equation versus a $40 insulated hose that is likely all that is needed in this case but without real measurements no one knows. I would love a link to a study because I would love to be wrong.
Source: An engineer that had thermodynamics.
To the other point, yes it absolutely makes sense to wrap the hoses with insulation. I used something like this in combo with a blanket material. https://www.amazon.com/VIVOSUN-In...r=8-3&th=1
The hose in itself radiates a massive amount of heat back into the room, since it is not insulated, and that is the biggest inefficiency for dual and single hose units. Insulating that will make a better difference than adding a dedicated intake hose, otherwise its a long space heater sitting in the middle of your room. The negative pressure thing is real, but running your kitchen or bathroom ventilation fans creates negative pressure too and it doesn't drastically change the temperature of the house (if anything, it usually helps cool it).
Bottom line is that a single hose unit will cool your room down just fine.
Fire season is what will get you. The little bit of outside air that gets pulled in on a single hose unit isn't enough to to drastically effect the cooling. May not be quite as efficient but you will still cool the room quite a bit. But when air quality was bad last summer, my indoor air quality meter would show poor quality whenever I had the ac on.
So if you live somewhere prone to wildfire smoke, definitely go with dual hose.