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Rosewill 4-in-1 12,000 BTU Portable Air Conditioner $305.10 + Free Shipping

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  • 12,000 BTU Cooling Capacity
  • Up to 300 Square Feet (Recommended)
  • Remote Included
  • Removable Filter
Walmart Link [walmart.com]
Amazon Link [amazon.com] (CLIP COUPON)
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Rosewill 4-in-1 12,000 BTU Portable Air Conditioner $305.10 + Free Shipping
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Joined Mar 2008
L10: Grand Master
> bubble2 12,478 Posts
651 Reputation
pokymon
05-19-2020 at 07:08 PM.
05-19-2020 at 07:08 PM.
Price is good, but single hose.

Amazon has bad reviews.
1
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Joined Aug 2008
L5: Journeyman
> bubble2 836 Posts
203 Reputation
SilentJudge
05-19-2020 at 07:29 PM.
05-19-2020 at 07:29 PM.
Is this 12K BTU measured using ASHARE or DOE standards?
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Joined Jul 2008
L6: Expert
> bubble2 1,374 Posts
160 Reputation
aberrero
05-21-2020 at 04:19 PM.
05-21-2020 at 04:19 PM.
Quote from SilentJudge :
Is this 12K BTU measured using ASHARE or DOE standards?
You can't get 12K effective BTU from a single hose system at 115V. So it's more like 7000 BTU or so.

I just picked up a refurb LG 12K BTU for $320. It doesn't have the heating function, but I trust it more and it is supposed to be quieter. The LG is advertised for a 400 sq. ft. room whereas the Rosewill is only advertised for 300 sq. ft., which makes me think the LG will outperform it in practice despite having the same BTU.

https://www.groupon.com/deals/gg-...3d21bf0INT
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Last edited by aberrero May 21, 2020 at 04:25 PM.
Joined Aug 2008
L5: Journeyman
> bubble2 836 Posts
203 Reputation
SilentJudge
05-21-2020 at 05:07 PM.
05-21-2020 at 05:07 PM.
Quote from aberrero :
You can't get 12K effective BTU from a single hose system at 115V. So it's more like 7000 BTU or so.
Good point! I just looked at the Wire Cutters best portable AC article and it seems like the best one, an LG LP1419IVSM, is 10K BTU under the new standard.
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Joined Aug 2011
L100: Grand Master SD
> bubble2 3,590 Posts
467 Reputation
Juggernaut_510
05-24-2020 at 01:35 PM.
05-24-2020 at 01:35 PM.
TERRIBLE ratings. I'll pass.
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Joined Sep 2007
L4: Apprentice
> bubble2 343 Posts
32 Reputation
Chiphumper
05-25-2020 at 05:21 AM.
05-25-2020 at 05:21 AM.
Single hose? NO NO NO
Unless you want a HUGE electricity bill... These single-hose monsters are terrible. If they banned glass light bulbs then why didn't they ban single-hose portable AC units? These are terribly inefficient due to their single-hose design. They create a huge vacuum in the room which sucks in hot humid air from the outside back into the house. Some folks have modified their single-hose monsters to function like a dual hose...
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Joined Feb 2015
L1337: Deal Sniper
> bubble2 2,249 Posts
533 Reputation
Nytron
05-25-2020 at 03:18 PM.
05-25-2020 at 03:18 PM.
Single hose is great if you want to cool down a heatsoaked room in the evening. Especially if you have a studio or bedroom that gets hot at night, while the outside temperature is cooler than anywhere in the house.

This oddly specific set of conditions is true for 100% of the time I would ever use my portable A/C, thus single hose is fine for me.
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Joined Sep 2007
L4: Apprentice
> bubble2 343 Posts
32 Reputation
Chiphumper
05-25-2020 at 04:28 PM.
05-25-2020 at 04:28 PM.
Quote from Nytron :
Single hose is great if you want to cool down a heatsoaked room in the evening. Especially if you have a studio or bedroom that gets hot at night, while the outside temperature is cooler than anywhere in the house.

This oddly specific set of conditions is true for 100% of the time I would ever use my portable A/C, thus single hose is fine for me.
Yes, a single hose COOLS DOWN a room BUT it does it much more INEFFICIENTLY than a dual hoses or Mini-split, or conventional central air. Only a "single hose" system WILL draw in hot humid air into the house while your room is cooling down AND it will draw said house air into your room.
So YES, it WILL cool a room BUT at substantial cost. I learned this the hard way. Had a $350 monthly power bill after using two single hose units. I installed a mini splits and my power bill peaks at $180. I only run this about 3-mos a year so if you do the math the $170/mo savings = $510/yr and my mini split system was $2100. So at the end of my fourth summer it will have paid for itself just from the electricity savings! Plus it cools the entire house down.
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Joined Aug 2013
L1: Learner
> bubble2 2 Posts
10 Reputation
mrjoemac
05-26-2020 at 06:42 PM.
05-26-2020 at 06:42 PM.
Quote from Chiphumper :
Yes, a single hose COOLS DOWN a room BUT it does it much more INEFFICIENTLY than a dual hoses or Mini-split, or conventional central air. Only a "single hose" system WILL draw in hot humid air into the house while your room is cooling down AND it will draw said house air into your room.
So YES, it WILL cool a room BUT at substantial cost. I learned this the hard way. Had a $350 monthly power bill after using two single hose units. I installed a mini splits and my power bill peaks at $180. I only run this about 3-mos a year so if you do the math the $170/mo savings = $510/yr and my mini split system was $2100. So at the end of my fourth summer it will have paid for itself just from the electricity savings! Plus it cools the entire house down.
How did you get a mini split installed for only $2100?!
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Joined Mar 2017
L3: Novice
> bubble2 130 Posts
22 Reputation
MrKBe
05-28-2020 at 03:20 PM.
05-28-2020 at 03:20 PM.
Quote from aberrero :
You can't get 12K effective BTU from a single hose system at 115V. So it's more like 7000 BTU or so.

I just picked up a refurb LG 12K BTU for $320. It doesn't have the heating function, but I trust it more and it is supposed to be quieter. The LG is advertised for a 400 sq. ft. room whereas the Rosewill is only advertised for 300 sq. ft., which makes me think the LG will outperform it in practice despite having the same BTU.

https://www.groupon.com/deals/gg-...3d21bf0INT [groupon.com]
I would go with the Amazon since it's easier to return and it's new. A refurbish units are not as trustworthy.
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