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sapimati 86.5K Views
Apr 18, 2023 11:33 PM

Costco Members: MrCool E Star DIY 12K BTU Ductless Mini-Split Heat Pump System

$1,200

$1,450

17% off
& More + Free Shippingat Costco Wholesale
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Costco Wholesale has for their Members: MrCool E Star DIY 4th Gen 12K BTU Ductless Mini-Split Heat Pump Complete System for $1,199.99. Shipping is free.

Costco Wholesale has for their Members: MrCool E Star DIY 4th Gen 18K BTU Ductless Mini-Split Heat Pump Complete System for $1,599.99. Shipping is free.

Thanks to Community Member sapimati for finding this deal.

Note: A Costco Membership is required to purchase this item.

Features:
  • Up to 22 SEER
  • Gold Fin Condenser: Corrosion-Resistant Coastal Living
  • 4R-410A Environmentally Friendly Refrigerant
  • Standard 7-Year Compressor/5-Year Parts Warranty
  • Register for Limited Lifetime Compressor Warranty
  • Variable-Speed DC Inverter Compressor Technology Cuts Operating Costs

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
  • About this product:
    • Rating of 4.4 from over 110 Costco customer reviews.
  • Additional note:

Original Post

Written by sapimati
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has for their Members: MrCool E Star DIY 4th Gen 12K BTU Ductless Mini-Split Heat Pump Complete System for $1,199.99. Shipping is free.

Costco Wholesale has for their Members: MrCool E Star DIY 4th Gen 18K BTU Ductless Mini-Split Heat Pump Complete System for $1,599.99. Shipping is free.

Thanks to Community Member sapimati for finding this deal.

Note: A Costco Membership is required to purchase this item.

Features:
  • Up to 22 SEER
  • Gold Fin Condenser: Corrosion-Resistant Coastal Living
  • 4R-410A Environmentally Friendly Refrigerant
  • Standard 7-Year Compressor/5-Year Parts Warranty
  • Register for Limited Lifetime Compressor Warranty
  • Variable-Speed DC Inverter Compressor Technology Cuts Operating Costs

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
  • About this product:
    • Rating of 4.4 from over 110 Costco customer reviews.
  • Additional note:

Original Post

Written by sapimati

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189 Comments

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Apr 19, 2023 5:58 PM
269 Comments
Joined Jan 2017
IamWUApr 19, 2023 5:58 PM
269 Comments
Dang, wish the 24k unit was on sale too-- That and the multizone haven't gone on sale w/ the 4th gen via costco (I don't think)...
Still looks like you can get the 24k unit 3rd gen via amazon @ 1500$.... 17 seer vs 20; tempting but would love to purchase through costco.

24k price is also hard to justify the price tag considering I 'could' just buy 2x 12's

Contemplating if the 18k would be big enough for a open living room... my entire downstairs is 1k sqft + though but I'm also in PNW... Might be ok.

-----------------------

Some other thoughts to share, but do your own homework...
Electrical conductors and breaker sizing for AC motors: TLDR use the nameplate. Obv NEC is 'minimum' required and you should consider voltage drop over longer distances.

Briefly looking at the '4th gen installation manual [mrcool.com]', pg 35, they sized the conductors based on the MOP vs MCA, which i think is a mistake.
Take a look at the '3rd gen installation manual [mrcool.com]' pg 34, they sized the conductors based on the MCA, more 'correct' to NEC.

In the 4th gen manual, the MCA of the 18k unit is 18A whereas the 12K unit is 19A; and yet they recommend a larger 10 awg for the 18K unit. Yes 120v vs 240v but voltage is irrelevant here beyond the additional conductor.
Some more reinforcement, cross reference 3rd gen recommendations for the 24K unit, MCA 18A, 14 awg! 36K unit, MCA 25A, 12 awg! ....

Also imo, spend the additional money to purchase a more premium accessories for installation.
Purchase a sturdy mounting bracket if wallmounting exterior unit. Purchase a thicker, larger lineset cover so you don't have to fight bend radiuses (i used a 4" for the 12k).
I purchased the above via amazon from mfg 'DuctlessAire'.
Apr 19, 2023 5:58 PM
5.5K Comments
Joined May 2022
AmusedDime497Apr 19, 2023 5:58 PM
5.5K Comments
Quote from realchristmas View quoted comment :
Anyone buy these then hire a contractor to install? If so, what was the contractor price? Thanks.
My guys did it for 100. I had the 220 line outside and a hole already in the wall.

I have the Mr cool I bought 3 years ago.

The wifi is an awesome feature and it is one of my better investments vs baseboard heat.
Apr 19, 2023 6:01 PM
603 Comments
Joined Jul 2022
FairWriter8849Apr 19, 2023 6:01 PM
603 Comments
Anybody have a MrCool model number associated with these?
Apr 19, 2023 6:03 PM
3.3K Comments
Joined May 2006
nicedogApr 19, 2023 6:03 PM
3.3K Comments
Is it like the bigger the better? (that's why she said). I mean, instead of 12k, would it be better if I install an 18k for a 1000 sq ft house?
1
Apr 19, 2023 6:04 PM
5.5K Comments
Joined May 2022
AmusedDime497Apr 19, 2023 6:04 PM
5.5K Comments
Quote from FairWriter8849 View quoted comment :
Anybody have a MrCool model number associated with these?
Model is the generation , size and voltage.
Apr 19, 2023 6:06 PM
5.5K Comments
Joined May 2022
AmusedDime497Apr 19, 2023 6:06 PM
5.5K Comments
Quote from nicedog View quoted comment :
Is it like the bigger the better? (that's why she said). I mean, instead of 12k, would it be better if I install an 18k for a 1000 sq ft house?
Cold air isn't magic, it doesn't go around corners and down halls. It better be super open of that 1000 feet.
Apr 19, 2023 6:12 PM
3.3K Comments
Joined May 2006
nicedogApr 19, 2023 6:12 PM
3.3K Comments
Quote from AmusedDime497 View quoted comment :
Cold air isn't magic, it doesn't go around corners and down halls. It better be super open of that 1000 feet.
Thanks for the reply but I'm not sure why you mean, did you mean that neither is sufficient? BTW I only care about heating
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Apr 19, 2023 6:23 PM
12.1K Comments
Joined Sep 2007
RugerRedhawkApr 19, 2023 6:23 PM
12.1K Comments
Quote from wildbillybob View quoted comment :
I bought that one and installed it myself in my 24x36ft shop, works great and heats down to something like -15F outside. Some mini-splits don't heat below 5F or higher, so keep that in mind when looking at specs. Was really easy to install with the charged lines, no pump or gauges needed.
What's the current price for the 24k? Costco wants me to sign in to see the price, but I don't have an account.
Apr 19, 2023 6:25 PM
3.3K Comments
Joined May 2006
nicedogApr 19, 2023 6:25 PM
3.3K Comments
Quote from rugerredhawk View quoted comment :
what's the current price for the 24kostco wants me to sign in to see the price, but i don't have an account.
$2300
Apr 19, 2023 6:29 PM
5.5K Comments
Joined May 2022
AmusedDime497Apr 19, 2023 6:29 PM
5.5K Comments
Quote from nicedog View quoted comment :
Thanks for the reply but I'm not sure why you mean, did you mean that neither is sufficient? BTW I only care about heating
What is your floor plan of the house ?
Apr 19, 2023 6:31 PM
1 Comments
Joined May 2022
CoralRain274Apr 19, 2023 6:31 PM
1 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from HurlyBurly51 View quoted comment :
Can anyone who has these speak to how much it affects your electric bill? Some have said their efficiency reduces bills, others have said theirs have skyrocketed. I know tons of variables, but 18k BTU cooling one room is the use case for me. I'd still be using central AC to cool the rest of the house as normal, but this one room upstairs needs this solution.
I've gone from window unit ACs to a Mr.cool DIY 3 zone unit. My bill went down significantly since we needed only to cool the master bedroom most nights and the unit seemed very efficient.
1
Apr 19, 2023 6:56 PM
1.4K Comments
Joined Feb 2020
GreySwing658Apr 19, 2023 6:56 PM
1.4K Comments
Quote from ducksoup18 View quoted comment :
Some states require installation by a licensed HVAC tech. Worthwhile to look into.
Do you have any info on how much for installation?
Apr 19, 2023 6:58 PM
1.4K Comments
Joined Feb 2020
GreySwing658Apr 19, 2023 6:58 PM
1.4K Comments
Quote from rg16242 View quoted comment :
Is it worth buying a Costco membership to buy this shipped? I don't have a B&M location near me, so i've never bothered becoming a member...
No you need to keep the membership if you want the peace of mind to return when it breaks.
Apr 19, 2023 7:02 PM
1.4K Comments
Joined Feb 2020
GreySwing658Apr 19, 2023 7:02 PM
1.4K Comments
Quote from 6883 View quoted comment :
Gonna try to install this myself in nyc. Theres already a mini split in the living room with a dead compressor. Just curious what is a reasonable time frame for a return to costco?
Years
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Apr 19, 2023 7:16 PM
3.3K Comments
Joined May 2006
nicedogApr 19, 2023 7:16 PM
3.3K Comments
Quote from AmusedDime497 View quoted comment :
What is your floor plan of the house ?
My friend is going to build an ADU, as far as I know it's a really simple plan, just one bedroom, one bathroom and a living room.
1

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