At Keystone, your family’s comfort starts here. Keystone's budget-friendly heat/cool 115V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one installation marvel includes an adjustable window kit for convenient window installation. For wall installation, you can use an existing compatible wall sleeve or purchase one of ours separately. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with an additional heat source to your main heat source when outdoor temperatures are above 45 degrees Fahrenheit. This multi-seasonal unit is packed with money-saving features including energy saver mode, sleep mode and a programmable 24-hour timer. Add the convenience of our easy-to-use "Follow Me" LCD remote control, and everyone can relax in blissful comfort.
C**N
Overall
I had two sent to me, both were damage. But the second wasn't damage that bad, it still works great! So far it have kept my house cooler. The energy saver mode it like most other units out there with the mode. It was smaller than what I thought it was going to be. Overall it works great!
M**N
It works
It is doing a great job for us. Been in service for 2 months without an issue. The remote works very well.
S**.
On year 2, still working great!
I’m on year 2 and it still works great. It keeps my portable building very cool even on 100+ days and warm on single digits in winter.
C**F
Really nice unit, only one exception!!
Very nice unit, cool well. JUST WISH THE DISPLAY WOULD STAY ON TO SEE WHAT THE TEMPERATURE IS SET AT AND WHAT SETTING IT IS IN. HAVE TO GO UP TO THE UNIT AND TOUCH THE CONTROLS TO SEE THE CURRENT SETTINGS, VERY DISAPPOINTING.
D**B
JUST INSTALLED LAST WEEK.
JUST INSTALLED LAST WEEK. TOO EARLY TO TELL YET, BUT SEEMS TO BE WORKING PERFECTIVELY IN ALABAMA WHERE THE WEATHER IS HOT
C**G
Great unit
A little noisy but has worked very well so far.
K**
Keystone ac 115v windows unit
It’s a good ac window unit keep cold my home we have it at the living room and it’s does keep the mobile home cold specially with this heat. Plus has heat for cold weather you have 2 x 1, I definitely recommended.
T**R
Heat function is NOT "Heat pump"
Just got the 18K model and installed it. I did some things to secure it without drilling into my vinyl window (as they direct), but made it secure. It blows cold air as expected, yet not had a great heat wave yet to really put it to the test.My one gripe is before purchase I ask in Q&A “Is the heat function via heat pump?” which I wanted for the energy saving benefit (having other heating when needed for freezing temps that others ask about). I got “Yes it is heat pump” and the product details of “Supplemental heating when temps out are above 45” hinted such as well (I have used portable AC units with heating that depend on outside temps being above freezing). Yet when sliding out the main assembly from the “sleeve” frame for mounting, I instantly noted a rough wire diagram with heating elements shown that connect directly to 240V power via relay contacts. I unplugged one of those wires to disable the elements and see if it did ANYTHING without them for heating, but it doesn’t (besides blow air with the fan going). So this (like most others with the heating function) gets heat ONLY from heating elements (NO HEAT PUMP feature). Some may think “It’s not their fault you expected something it doesn’t have”, but I did my homework, tried to ask (where they failed to respond), and I don’t understand the advertising “…heating when temps above 45 outside…” statement when outside temps don’t matter with heating elements. So that’s why they lost rating with me (making me decide to return it and get one with the features I wanted). I'm sorry for the hassle to Amazon etc, but hope they'll edit the product details to not hint features it doesn't have.
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