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Room Size: Delivers 13,000 ASHRAE BTUs (9,000 SACC) to cool and 10,000 CTUs to heat MEDIUM rooms up to 550 sq ft
4-IN-1 Portable Air Conditioner: Offers 4 functions - air conditioning, heating, fan & dehumidifier - for maximum home comfort
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TLDR, you exhaust conditioned air, to cool the heat exchanger and it goes right out the window. This creates suction and that conditioned air is replaced with outdoor air.
Dual hose is much better (takes outside air to cool the heat exchanger). Window units are typically even better b.c the hot components are hanging outside and no hoses heating up.
Room Size: Delivers 13,000 ASHRAE BTUs (9,000 SACC) to cool and 10,000 CTUs to heat MEDIUM rooms up to 550 sq ft
4-IN-1 Portable Air Conditioner: Offers 4 functions - air conditioning, heating, fan & dehumidifier - for maximum home comfort
There are not many dual hoses, certainly at this price: having shopped Whynters for 18 months it looks like they are producing a lot of ARC148s and not so many ARC14s now. The 14s (dual hose) have a lower SACC rating so that may be why.
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There are not many dual hoses, certainly at this price: having shopped Whynters for 18 months it looks like they are producing a lot of ARC148s and not so many ARC14s now. The 14s (dual hose) have a lower SACC rating so that may be why.
Just like when someone says, should I get this $900 MacBook, I can give you a lot of reasons to get the model that's double or triple the price. Your specific needs matter and so does your budget.
I got in on one of the single hose De'Longhi slickdeals last year. With people souring it with dual-hose issues, but guess what? My single hose works. It significantly lowered my electric bill because I could keep my upstairs bedroom at 68F to sleep, without having to cool the rest of the house (plus the lower floor gets to 64F to keep the upstairs at 68F.
Would it have been cheaper to run a dual-hose at triple or double the price, probably? It would have been bulkier at the window and more expensive upfront.
Dual-hose is better because it brings air in from the outside to the unit and cools it and vents out the hot air, not bringing in air through other cracks in your home. This is why in-window units are better (it sucks air in from the outside and blows the heat out, basically a dual hose), but I can't run something like that in my condo (HOA rules), I can't have this, but no one can really see it at the bottom of my 4th-floor window.
Keep in mind, this (single hose method) is how your bathroom fans, stove vent fan, and clothes dryer vent work too. They're blowing air out of your house, so they must be sucking it in too.
That said, the next time I see a great deal on a dual-hose model, I'll probably pick one up and keep my current one as a spare. When my 6 year old cheap single hose unit died last year, I couldn't even find a replacement last July or August that wasn't off the charts pricewise, so a spare wouldn't be a bad idea.