Costco Wholesale has for their
Members:
MRCOOL DIY 18K BTU Mini-Split Air Conditioner and Heat Pump with Wi-Fi Smart Controller (DIY-18-HP-230AE) on sale for
$1299.99.
Shipping is free.
Thanks Community Member
NickFab for finding this deal.
Note, you must be a Costco Member and signed into your account to view sale pricing and purchase at sale price.
Key Features:
- The MRCOOL DIY series comes with pre-charged line sets alleviating one major obstacle to amateur installation in a single stroke.
- Functionality for Apple and Android smart devices; works with Amazon Alexa; works with Google Assistant.
- Refrigerant leakage detection ensures your system remains operating efficiently without degradation due to undetected corrosion.
- Control your MRCOOL DIY anywhere, on your Android or Apple smart device, with the new MRCOOL Remote app.
- MRCOOL DIY temperature compensation technology help keeps you comfortable in any weather conditions.
- Low ambient cooling: cooling down to 5°F - this feature makes the MRCOOL DIY the ideal system for computer server rooms, greenhouses, and any other application that requires cooling all year.
- Gold fin condenser: corrosion resistant, condenser is built to resist long term corrosion.
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Top Comments
Guys, heatpumps take heat from outside to inside, or from inside to outside. They MOVE heat, aka they pump the heat. Hence Heatpump.
Nextt, Fog would not prevent this from working. Would probably transfer heat better due to higher humidity, but ultimately might decay the coil if a coastal region.
These units are fine, and I recently got one for my buddy to install for himself. However, eventually these linesets, not being brazed in will leak. Probably a few years down the road if done right, but they leak very slowly. A brazed connection is essentially metal melting the connection point closed off so no leaks if done right.
Next, if you oversize these, they wont dehumidify because when they slo down their capacity, the coil gets less cold. it takes a cold coil to dehumidify inside, so right sizing is important.
These are not meant to be data room units, and if its used in some mining operation, there should have been calculations to say that there is X amount of heat dissipation in watts from these GPus, and figure up what that load looks like and size accordingly. Of course with none of that running and 18K in a 10x12 room is WAY too big.
I actually wanna add one to my own garage but getting a power circuit run is gonna be a pain as my panel is full up, and my basement subpanel is almost full as well.
I think my install was quite a bit more involved than a lot of installs would normally be since I had to core through brick and run new conduit from my panel. For the most part the kit will have most, if not all of what you need. Check both boxes you get for damages, I got a unit from HD first that was half crushed, the unit I got from Costco had the fan cover bashed in a bit but I hammered it back out with a mallet and block. Too much trouble to return and wait for another unit to ship, and I can't see the damage now. Don't get halfway through your install and open the next box and see an issue!
Performance is great, it's very quiet and heats and cools AWESOME. I quickly got the house down to 65 degrees during the heat wave, and now use it nightly to keep the house comfortable. The air it puts out feels nice, I'm not sure how to describe it but it's different than air out of my vents from the furnace.
I'd definitely recommend these units though, definitely my favorite upgrade to my house.
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We ran it all night in the summer (Northern Utah, it was >95 most of this summer) and it cost less than a dollar per day to keep our room at 69 (nice). I installed everything myself besides evacuating the lines (mostly because to get the $600 rebate, had to be "installed" by licensed tech). Honestly, the electrical is the easiest part. People are taught to be deathly afraid of electricity, but honestly, if you have a basic understanding, it's not scary or hard. Minimize any work near "hot" lines. Literally every part of this can be wired without ANY risk until you connect it to your breaker box....and that's just sliding a breaker onto the bus, which is completely safe if it's a secondary box and it's turned off at the main. Even if it is your main (like it was mine), you have the breaker between you and the hot bus the whole time.
Idk, electrical is probably the easiest part of the install. Most dangerous, I guess, but it's just connecting wires.
If you're on the fence about getting a mini-split, just do it. You won't regret it. Honestly I'm considering adding two more and just forgetting the central AC. Kinda wish I had done that the first go around and have one outdoor unit, but hindsight is 50/50
Honestly a tl;dr of the install if you're wondering is:
Cut hole in exterior wall
Mount wall plate
Connect tubing and wiring to indoor unit
Feed wiring and tubing through hole (couple screw terminals and wrench turns)
Mount indoor unit on wall
Place outdoor unit on flat surface
Connect wiring and tubing to outdoor unit (couple screw terminals and wrench turns)
Connect wiring from outdoor unit to breaker box (or sub-box and then to breaker box if required by local law, also recommended)
Did the install myself sans the electric, which I had an electrician to install. Mounted inside unit and ran line set 12 feet over, 6 feet down, and through a sheet rock and brick wall. Ordered a pvc lineset cover set from Amazon to conceal the line set and drain line. Ordered a Mr cool wall mount for the outside unit and that made that part fairly easy.
The unit came with a remote control, a wall thermostat, and a wifi dongle/mobile app. I don't understand what the wall thermostat is for though. With the dongle it works with Smartthings which is GREAT. Also works with Alexa. I can say Alexa turn on garage AC and it's on.
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See this chart.
https://www.bpa.gov/EE/Sectors/Re..._Chart.pdf
In winter if I want to do a project, I turn on my little ceramic oil space heater overnight, next day its comfortable enough.
im installing a little mining laptop in there, lol im curious how warm it will make the garage running 24/7. a profitable space heater!
Q2. If the unit had ducts in them, is it easier to attach or do you have to use ductless output system?
Q3. Do you set up everything and then ask the electrician to connect the power or would they install everything?
Sorry for so many questions and thanks in advance if you answer
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