12000 BTU 20 SEER2 115V Ductless Mini Split Air Conditioner

4.79
4.79159 Reviews
$609.00$761.0019% Off
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Overview

-The package is shipped in 2 boxes and may be delivered at different times.

-8 years Warranty for compressor and 5 years for parts to ease your worries.

-4-in-1 design and a built-in 1-ton heat pump provide comfortable temperatures throughout the year.

-Adjustable temperature from 60°F-90°F will suit your comfort in just a few minutes

- Suitable for various residential and light commercial applications with coverage up to 750 square feet.

-4 fan speeds (low/medium/high/auto) to meet your different needs.

-Efficient golden fin ensures good heat transfer performance and long-lasting use.

-Washable filter and self-cleaning function bring you fresh and clean air.

-Innovative frequency conversion technology saves energy and electricity for you.

-Automatic up-down and left-right swing promote air circulation in whole room.

-Smart sense room temperature and adjusts airflow and temperature for personal comfort in ifeel function

-Comes with a remote control that allows you to operate without space limitations.

-0.5-24 h timer and low noise allow you to enjoy a sweet night.

-ETL and AHRI certifications ensure the safety and durability of the equipment.

-The installation of the mini split air conditioner can only be completed by a Licensed HVAC Installer.

-Package includes: 1 x Outdoor unit, 1 x Indoor unit, 1 x Power line, 2 x Copper and aluminum connection pip, 1 x Drain hose, 1 x Communication wires, 1 x Remote control, 1 x Tape, 1 x Putty, 1 x User guide

How to Install a Costway Ductless Mini Split Air Conditioner

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12000 BTU 20 SEER2 115V Ductless Mini Split Air Conditioner and Heater

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$609.00$761.00

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$579.00$722.00

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23000 BTU 18.5 SEER2 208-230V Ductless Mini Split Air Conditioner and Heater

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$1199$1498

Add to Cart
Indoor Air Handler Size
34.5" x 7.5" x 11.5"
30" x 8" x 11.5"
44" x 9"x 13"
Outdoor Condenser Size
29" x 11" x 21"
27.5" x 11" x 21"
32" x 12" x 25.5"
Cooling Capacity
12000 BTU
12000 BTU
√ 23000 BTU
Heating Capacity
12300 BTU
12300 BTU
√ 24000 BTU
Voltage
115V
208-230V
208-230V
Coverage Area
750 sq. ft.
750 sq. ft.
√ 1500 sq. ft.
SEER2
√ 20
21
18.5
HSPF2
8.5
√ 10
8.3
Sound Rating, Indoor
42 dB
41 dB
50 dB
Sound Rating, Outdoor
√ 53 dB
52 dB
58 dB
  • Reviews (159)

  • Q&A (42)

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
    Preview
    Customer Photos
    Preview
    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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