12000BTU 208-230V Ductless Mini Split Air Conditioner and Heater

4.79
4.79159 Reviews
$519.00
Select: 9+9+9+18, SEER 21
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9+9+9+12, SEER 21
9+9+9+18, SEER 21
9+9+12+12, SEER 21
9+9+12+18, SEER 21
9+12+12+12, SEER 21
12K+12K+12K+12K, SEER 21
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Color: White
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Overview

Overview

-A 5-year extended warranty period to ease your worries.
-Shipped in 2 boxes and may deliver at different times
-Fast cooling and heating with a wide coverage area of 750 sq. ft.
-4-in-1 design and built-in 1-ton heat pump offers all-year-around comfort for you
-60°F-90°F adjustable temperature and 4 fan speeds for customized comfort
-High efficiency gold fins ensure good heat transfer performance and long-lasting use
-Multiple modes include dry, excellent, heat, fan, auto, sleep, ECO, turbo, iFEEL, etc
-Washable filter and self-clean function let you enjoy fresh and clean air
-Innovative inverter technology improves the energy efficiency ratio
-Auto up-down and left-right swing promote air circulation
-The 26ft remote control and LED display for easy operation
-0.5-24H timer and quiet operation for a peaceful and comfy sleep
-Auto defrost function prevents damage to the outdoor unit
-ETL certification ensures safe and long-lasting use
-The item comes in 2 boxes and delivery time may be different per box, please contact us if you have any questions.
-The installation of this equipment should be done only by a Licensed HVAC Installer.
-Package Includes an Outdoor Unit, an Indoor Unit, an 8ft Power Line, a 13ft Copper & Aluminum Connection Pipe - Air Pipe, a 13ft Copper & Aluminum Connection Pipe - Liquid Pipe, a 6.5ft Drain Hose, a 15ft Communication Wires, a Remote Control, a Tape, a Putty, a Wall Sleeve, and a User Guide

Installation guide

Where to Install a Costway Ductless Mini Split Air Conditioner

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How to Install a Costway Ductless Mini Split Air Conditioner

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Capacity (cooling / heating)
12000 BTU
12000 BTU / 12300 BTU
18000 BTU
23000 BTU / 24000 BTU
Voltage
DC 208-230V~60Hz/1PH
DC 115V~60Hz/1PH
DC 208-230V~60Hz/1PH
DC 208-230V~60Hz/1PH
Temperature setting range
60.8℉~89.6℉
60.8℉~89.6℉
60.8℉~89.6℉
60.8℉~89.6℉
Timer
0.5-24 hours
0.5-24 hours
0.5-24 hours
0.5-24 hours
Indoor noise level
42 DB
42 DB
46 DB
54 DB
HSPF
9
9.5
9
9
SEER (Seasonal Energy Efficiency Ratio)
17
17
17
17
EER
2.8
2.93
2.96
2.81
Outdoor unit dimensions
29" x 21" x 11"
29" x 21" x 11"
31.5" x 21.5" x 12"
32" x 25.5" x 12"
Indoor unit dimensions
31" x 11.5" x 8"
34.5" x 11.5" x 7.5"
37" x 12" x 8.5"
44.5" x 13" x 13"
  • Reviews (159)

  • Q&A (40)

4.79
159 Reviews
5
81%
4
17%
3
2%
2
0%
1
0%

Customer say

Most customers praised the mini split air conditioner and heater for its quiet operation, energy efficiency, and effective cooling and heating performance, often noting rapid temperature adjustments in various room sizes. Many appreciated the sleek, compact design and user-friendly remote control, highlighting features such as multiple fan speeds, sleep mode, and dehumidifying functions. Installation was generally described as straightforward, especially for those with some mechanical or HVAC experience, though a few mentioned that the instructions could be clearer and that professional help might be advisable for certain technical steps. Some users reported minor issues such as occasional noise from the unit, limited remote control functionality, or missing installation materials, but overall sentiment was positive, with many recommending the product for its value and reliability. Delivery was typically prompt, and customer service received favorable remarks for responsiveness.

Customer experience distilled with
  • Easy Installation

    Ductless Mini Split AC install, No more PACKOUT Princess in bikinis or sweaty JOA

  • I Am Very Please With This Mini Split System

    I purchased this mini split to go in my mother's first floor of her townhouse. I calculated the amount of square footage we would be cooling and looked up online which size of air conditioner would be recommended for her situation. The recommended size was 12,000 BTUs. I ordered the 110v model (instead of the 220v) as that voltage is easier to work with and would work out to be slightly more efficient on the electric bill each month. This was the first mini split I ever installed. I was able to watch a few videos online showing installation of mini splits and the process was very clear. I took my time and installed the entire thing in about 7 hours. The only additional parts I needed was screws to mount the inside unit to the wall, a bracket for the outdoor unit to sit on (see pics), a power disconnect box for outside (as required by national code), power wire to run from the disconnect box over to the house circuit breaker panel, a line set cover for the lines running to the outdoor unit, and a new circuit breaker so the unit could be on it's own circuit breaker. All of these additional parts cost me around $130. I followed the included instructions on how to install it (after watching the videos online). I feel that anyone who can do automotive repair competently and has general experience working with home electrics can install this with ease. When we first powered the system on, we were pleasantly surprised at how quickly it began to cool and how remarkably quiet both inside and outside units are. It's crazy how well it works compared to a window air conditioner and yet it costs very little more. The unit has been installed and running for a week now and I am very please with the purchase. My mother has no problem understanding how to operate it and the unit draws very little power so I do not expect a substantial change to her electric bill.

    Customer Photos
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    Customer Photos
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    Customer Photos
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  • I Am Very Please With This Mini Split System

    I purchased this mini split to go in my mother's first floor of her townhouse. I calculated the amount of square footage we would be cooling and looked up online which size of air conditioner would be recommended for her situation. The recommended size was 12,000 BTUs. I ordered the 110v model (instead of the 220v) as that voltage is easier to work with and would work out to be slightly more efficient on the electric bill each month. This was the first mini split I ever installed. I was able to watch a few videos online showing installation of mini splits and the process was very clear. I took my time and installed the entire thing in about 7 hours. The only additional parts I needed was screws to mount the inside unit to the wall, a bracket for the outdoor unit to sit on (see pics), a power disconnect box for outside (as required by national code), power wire to run from the disconnect box over to the house circuit breaker panel, a line set cover for the lines running to the outdoor unit, and a new circuit breaker so the unit could be on it's own circuit breaker. All of these additional parts cost me around $130. I followed the included instructions on how to install it (after watching the videos online). I feel that anyone who can do automotive repair competently and has general experience working with home electrics can install this with ease. When we first powered the system on, we were pleasantly surprised at how quickly it began to cool and how remarkably quiet both inside and outside units are. It's crazy how well it works compared to a window air conditioner and yet it costs very little more. The unit has been installed and running for a week now and I am very please with the purchase. My mother has no problem understanding how to operate it and the unit draws very little power so I do not expect a substantial change to her electric bill.

    Customer Photos
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    Customer Photos
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    Customer Photos
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  • Works great!

    This unit gets really cold blows hard of high. It works great for my bedroom!!

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  • 1-Ton 20SEER 115V Split System

    Purchased 2 Sets. All video instructions for typical split systems on youtube show to disconnect the low pressure line at the very end. Please don't do that, some pressurized freon would shoot out through the valve. Follow the video instructions posted here and everything should be good. All cycles work effectively. The noise level is incredibly low. They seem to be very decent systems and time will justify the true quality. Note that, vents should swing in both horizontally and vertically. If yours only do up and down, check the panel and wire arm inside.

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    Customer Photos
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$200

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