expired
Costway Lithzen 12000 BTU 18.2 SEER2 WiFi Mini Split Air Conditioner/Heater
$392
$719
45% off
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Update: This popular deal is still available (now w/ a slight price drop).
Costway via Walmart has Costway Lithzen 12000 BTU 18.2 SEER2 WiFi Mini Split Air Conditioner/Heater (White-208/230V) on sale for $395.99 -> now $391.49. Shipping is free.
Thanks to SD Skillful_Pickle for finding this deal
Note, product will be sold/shipped by Costway
Costway via Walmart has Costway Lithzen 12000 BTU 18.2 SEER2 WiFi Mini Split Air Conditioner/Heater (White-208/230V) on sale for $395.99 -> now $391.49. Shipping is free.
Thanks to SD Skillful_Pickle for finding this deal
Note, product will be sold/shipped by Costway
Editor's Notes
Written by RevOne | Staff- Price Research
- At the time of research, this product is $64 lower (13.91% savings) than the next best available price from a reputable merchant with prices ranging from $459.99
- About the Deal
- This mini split air conditioner offers an impressive 12000 BTU cooling/heading capacity w/ WiFi-enabled convenient smart controller and 18.1 SEER2 F32 refrigerant high efficiency
- Offer valid while promotional price/supplies last
- Additional Details
- Product is eligible for return within 30 days of purchase
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This popular deal is still available (now w/ a slight price drop).
Costway via Walmart has Costway Lithzen 12000 BTU 18.2 SEER2 WiFi Mini Split Air Conditioner/Heater (White-208/230V) on sale for $395.99 -> now $391.49. Shipping is free.
Thanks to SD Skillful_Pickle for finding this deal
Note, product will be sold/shipped by Costway
Costway via Walmart has Costway Lithzen 12000 BTU 18.2 SEER2 WiFi Mini Split Air Conditioner/Heater (White-208/230V) on sale for $395.99 -> now $391.49. Shipping is free.
Thanks to SD Skillful_Pickle for finding this deal
Note, product will be sold/shipped by Costway
Editor's Notes
Written by RevOne | Staff- Price Research
- At the time of research, this product is $64 lower (13.91% savings) than the next best available price from a reputable merchant with prices ranging from $459.99
- About the Deal
- This mini split air conditioner offers an impressive 12000 BTU cooling/heading capacity w/ WiFi-enabled convenient smart controller and 18.1 SEER2 F32 refrigerant high efficiency
- Offer valid while promotional price/supplies last
- Additional Details
- Product is eligible for return within 30 days of purchase
Community Voting
Deal
Score
+112
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Bad Deal
Price Intelligence
Deal History Deal History includes data from multiple reputable stores, such as Best Buy, Target, and Walmart. The lowest price among stores for a given day is selected as the "Sale Price".
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
Sale Price
Slickdeal
- $NaN
- Today
Current Prices
| Sold by | Sale Price |
|---|---|
 Walmart | $489.49 |
Top Comments
Most companies listed in a phone book or with a website aren't going to install them. The reason is equipment sales is where most of their profit comes from and they don't want to be responsible for chasing down parts that their local supply houses don't stock.
Your best bet for someone who will install it is Craigslist or Facebook Marketplace. The problem with that is that the installer probably isn't going to do it all properly - and that's what should be your biggest worry or you're going to be paying far more than the system cost periodically just trying to keep it going.
Expect to pay $1500+, with most probably quoting around $3k.
If you do it yourself to ensure it's done correctly and lasts, you need to understand what's involved. Expect to invest 20+ hours of watching YouTube videos of actual pros installing these things. Then you'll understand that you're going to need around $1k in tools, including a two-stage vacuum pump, tank of nitrogen + regulator, micron gauge, core removal tools, adjustable torque wrench, orbital flare kit, Nylog blue sealant, etc and investing more time in how to properly use those tools. One shortcut option to avoid some of the tool set and knowledge cost would be to do the physical install yourself, but then just hire someone to triple evac it and vacuum it did down below 500 microns.
You're going to need to do electrical work as well. And don't forget to add a surge suppressor at the disconnect, due to the way the controller boards try to time the inverter cycles with the power phase, these things are all very sensitive to voltage spikes and dirty power.
You need to flush and pressure test the lineset with nitrogen before vacuuming. It pushes out contaminants and helps remove moisture. I've never seen an inverter install manual that doesn't specifically say to triple evac the lineset and ensure that it passes a pressure drop test. Your cheap installer isn't going to do that.
That being said, once you have all that under your belt you can install these for friends and family and service your own equipment and save thousands down the road. It isn't rocket science and certainly doesn't require a specialist, but it needs to be done properly which anyone willing to invest the time, energy and money into tools and knowledge base can do themselves.
The biggest hurdle on these is getting the flares correct. 99.9% of the problems with these are leaking flares / low refrigerant issues because they weren't flared or torqued properly. A thin coating of Nylog on the faces can help with that, but it has limits. This is where hiring the reputation-less installer is going to bite you, they aren't going to pay attention to any of that and if you stand around telling them how to do the job they're either going to walk off or charge you more.
Also you're going to need to buy replacement black UV-resistant lineset insulation and rip off the white insulation because it's been shown to react with the copper when water is present and creates pinhole leaks over time. Low bid installer isn't going to do anything about that, either.
If you don't want to deal with the tools, flares, installers, corner cutting, etc, you're going to need to spend more and buy one of the MR COOL DIY units with their patented pre-charged no-vac linesets. It's decent equipment with a warranty from a company that's been around for a while now. That's probably going to be the best route for most people.
I have since installed a couple dozen of these for myself, family, and friends. Fairly DIY friendly if you get the right tools.
Community Reviews
This 12,000 BTU Costway mini split is mainly praised for strong cooling and solid long-term performance once installed correctly. The unit is described as holding up for years, including in 100 plus degree heat, and the WiFi app may include a power limit feature. The big catch is installation, which can be far more expensive than the unit itself because it needs a dedicated circuit, disconnect, and proper vacuuming and flaring. DIY is possible for handy owners, but it takes tools, time, and care, and Costway support is described as difficult when something fails.
The system can provide strong cooling performance over multiple years when installed and maintained properly.
The unit can be a practical DIY project for capable homeowners who invest in the right tools and follow installation steps carefully.
The app may support power limiting, which can help manage electrical draw for off-grid or solar-plus-battery setups.
Professional installation can still keep total costs reasonable when a local installer bundles line set covers and delivers responsive workmanship.
DIY installation can add significant one-time material and specialty tool costs beyond the unit price.
Installation may require a dedicated electrical circuit with disconnect to meet manufacturer requirements and local town codes.
Improper vacuuming and charging practices can shorten longevity, and achieving a deep 500-micron vacuum may require specific measurement equipment.
Costway support can be difficult during early failures, with extensive photo and testing requests before a replacement is arranged.
Common Questions (5)
AI-generated summary based on comments from the community. Updated ago
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47 Comments
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Flairing tool
HVAC style torque wrench
Copper bending tools if needed
Nitrogen tank
Regular manifold
5/16 valve core tool
1/4 valve core tool
Vacuum hose
Vacuum pump
Micron gauge
There will also be some more supplies needed and and AC disconnect at the end of a home run to the panel.
https://slickdeals.net/f/19823223-albott-12k-btu-115v-wifi-seer2-18-mini-split-ac-400?src=categor
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No one in their right mind would install this correctly for $300. Will it run? Probably, but not for as long as it should or without problems. Also, I think/hope you mean "lineset vacuumed" instead of "charged", the charging happens as soon as you open the valve on the condenser.
The vac pump your local auto parts stores lend out are single stage and are well used and pretty much worn out. These inverter systems need a DEEP 500 micron or less vacuum for proper functionality and longevity and you cannot get that even with a brand new single stage pump with fresh quality vac oil. You can't measure for a deep vacuum and ensure no leaks without a digital micron gauge. Auto store doesn't lend them out. The ol' "XX minutes at on an analog gauge showing -30in/hg" doesn't tell you anything - especially if you haven't triple evac'd the lines with nitrogen.
No, these are not pre-charged lines, they are patented so you're only going to find them with MRCOOL.
You absolutely do need HVAC tools.
I've installed 5 units, the oldest is going on 4 years and they're all still fine. Just a cheapo vacuum, manifold set and torque wrench from Amazon.
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I've installed 5 units, the oldest is going on 4 years and they're all still fine. Just a cheapo vacuum, manifold set and torque wrench from Amazon.
Sign up for a Slickdeals account to remove this ad.
A few things that have been helpful for me: a mini split with some sort of AC limiter to limit the power draw and a power bank that has the option to prioritize solar over AC charging.
My Ecoflow is set to 70% charge via AC. During the day it'll never drop below this number. Depending on how much solar I'm getting and/or how much I'm using the mini split the battery will be anywhere between 70-100% at 5pm when our power rates increase substantially. The smart plug will cut power to the Ecoflow and run entirely off that 70%+ battery until 9pm when rates drop back down and the smart plug turns back on.
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