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Mini split AC with 4D air supply, WiFi enabled, for efficient cooling and heating in large rooms up to 450 sq.ft.
GreyVolt 9100 BTU mini split AC system with indoor and outdoor units, WiFi enabled, for efficient cooling and heating.
GreyVolt Series 9100 BTU mini split AC with dimensions, features WiFi control, and efficient cooling for rooms up to.
GreyVolt 9100 BTU mini split AC unit with indoor and outdoor components, designed for efficient cooling and heating.
GreyVolt 9100 BTU mini split AC with remote control, WiFi enabled, for efficient cooling and heating in large rooms.
Mini split AC unit with 9100 BTU cooling and heating, WiFi enabled, for rooms up to 450 sq.ft, featuring 4 in 1 design.
GreyVolt Series 9100 BTU mini split AC unit with inverter technology, WiFi enabled, for efficient cooling and heating.
GreyVolt 9100 BTU mini split AC with 4-in-1 design, offering cooling, heating, drying, and fan functions for large.
GreyVolt 9100 BTU mini split AC in a bedroom, showcasing low noise and sleep mode for peaceful comfort.
GreyVolt 9100 BTU mini split AC with self-cleaning filter, WiFi enabled, for efficient cooling and heating in large.
Mini split AC with 4D air supply, WiFi enabled, for efficient cooling and heating in large rooms up to 450 sq.ft.
GreyVolt 9100 BTU mini split AC system with indoor and outdoor units, WiFi enabled, for efficient cooling and heating.
GreyVolt Series 9100 BTU mini split AC with dimensions, features WiFi control, and efficient cooling for rooms up to.
GreyVolt 9100 BTU mini split AC unit with indoor and outdoor components, designed for efficient cooling and heating.
GreyVolt 9100 BTU mini split AC with remote control, WiFi enabled, for efficient cooling and heating in large rooms.
Mini split AC unit with 9100 BTU cooling and heating, WiFi enabled, for rooms up to 450 sq.ft, featuring 4 in 1 design.
GreyVolt Series 9100 BTU mini split AC unit with inverter technology, WiFi enabled, for efficient cooling and heating.
GreyVolt 9100 BTU mini split AC with 4-in-1 design, offering cooling, heating, drying, and fan functions for large.
GreyVolt 9100 BTU mini split AC in a bedroom, showcasing low noise and sleep mode for peaceful comfort.
GreyVolt 9100 BTU mini split AC with self-cleaning filter, WiFi enabled, for efficient cooling and heating in large.

GreyVolt Series 9100 BTU 20.5 SEER2 115V WiFi Enabled Mini Split AC Compatible with Alexa Gray

4.15
51 Reviews
Item No: 521893674
Costway Day Exclusive Deals - Discounted Outdoor Patio Furniture and Mini Split ACs
C$799.00C$1,59850% Off
Select: GreyVolt Series 9100 BTU WiFi Enabled Works at -7℃
GreyVolt Series 9100 BTU WiFi Enabled Works at -7℃
Blast Series 12000 BTU Works at -7℃
GreyVolt Series 12000 BTU WiFi Enabled Works at -7℃
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Key Features

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● Year-round Comfort: This 9100 BTU mini-split air conditioner can cool down to 16℃ and heat up to 32℃, ideal for spaces up to 450 square feet. It also features fan mode, dry mode, ECO mode, sleep mode, low/medium/high/turbo speed and 0-24H timer to cater to your needs.
● Efficient and Quiet Operation: This split air conditioner and heater utilizes R32 refrigerant and features inverter technology, ensuring high energy efficiency with 20.5 SEER2 and 9 HSPF2 ratings. Besides, the unit operates quietly, offering a peaceful environment without disturbing daily activities or sleep.
● Intelligent Control and Wide Air Supply: You can effortlessly control the split AC unit via the smartphone app or voice commands through Alexa or Google Assistant. It also includes a remote control for convenient use. The 4D auto swing function ensures even air distribution throughout the room.
● Hassle-Free Maintenance: With a 58℃ high-temperature self-cleaning function, auto defrost function and removable and washable filter, this mini split air conditioner ensures easy maintenance and long service life. Additionally, it is certified by ETL and AHRI for reliable use.
● Installation and Warranty: This split air conditioner and heater system comes with complete accessories and detailed instructions. The installation requires a Licensed HVAC Installer. What's more, it includes a 5-year warranty on parts and 8-year warranty on the compressor.

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Specifications

Color of Indoor Unit Gray
Color of Outdoor Unit White
Material Metal, Aluminum, Copper, AS
Indoor Unit Dimensions 30" x 8" x 11.5"
Outdoor Unit Dimensions 28" x 11"x 21"
Voltage 115V/60Hz
Max. Input Power 1300W
Max. Input Current 11A
Cooling Capacity 9100 BTU
Heating Capacity 9500 BTU
Cooling Power 850W
Heating Power 770W
Coverage Area 450 sq. ft
Air Flow Volume 600 m³
Dehumidifying Capacity 35.5 Pints/Day
Temperature Setting Range 16℃~32℃
Operating Ambient Temperature -7℃-48℃
Refrigerant R32
SEER2 20.5
HSPF2 9
Indoor Noise Level 23 dB
Outdoor Noise Level 52 dB
Net Weight of Indoor Unit 17.5 lbs
Net Weight of Outdoor Unit 49.5 lbs
Box Qty 2
Package Includes 1 x Indoor Unit, Outdoor Unit 
1 x 13 ft Copper Connection Pipe - Liquid Pipe 1 x 13 ft Copper Connection Pipe - Air Pipe
1 x 15 ft Communication Wire, 6.5 ft Drain Hose  1 x Remote Control, Tape
1 x Wall Sleeve, Putty 1 x User Guide

  • Overview

  • Reviews

  • Q&A

  • Manuals

Overview

● 4 in 1 design for customized comfort: cool, heat, dry and fan
● Powerful cooling and heating for large rooms up to 450 sq.ft
● Multiple ways to control: App/voice/remote control
● High efficiency inverter technology and ECO mode
● 4D air supply avoids direct blowing for added comfort
● Smart 0-24 hour timer for personalized comfort
● Enjoy a peaceful sleep with low noise and screen off function
● Self cleaning and washable filter for simple maintenance
● R32 refrigerant with a lower environmental impact
● Auto defrost function for higher heating efficiency
● Complies with ETL and AHRI

How to Install a Costway Ductless Mini Split Air Conditioner

Reviews

4.15
51 Reviews
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Frequent Mentions

  • L

    Great AC

    06/09/2026

    Perfect for my homestay

    Customer Photos
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    Customer Photos
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    Customer Photos
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    Customer Photos
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  • C

    This thing is awesome!!

    05/23/2026

    Installed in my 40 foot camper. Installation was a breeze and this thing puts out some serious air! It’s extremely quiet, you can’t even hear it run. Very impressed especially for the price. Highly recommend!!

    Customer Photos
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    Customer Photos
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  • P

    Works great. Easy to install.

    04/29/2026

    I had to wait for indoor unit about 1 week after outside unit then waited on mounting bracket -ordered afterwards. After high winds abated I installed outdoor unit and connected inside unit. Works great.

    Customer Photos
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    Customer Photos
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  • A

    Great

    11/25/2025

    Delivered in a timely manner. Easy to install. Works as it should. 10 out of 10 would recommend

    Customer Photos
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    Customer Photos
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  • L

    Mini Split

    10/08/2025

    I bought this for my living room area because I have a dinosaur 4 ton heat pump that runs constantly. So far working great. WiFi program not so great.

    Customer Photos
    Preview

Q&A

  • Q:
    Does it come with Freon?
    A:
    Yes
    Costway representative
  • Q:
    Turned on unit, air is cool but not cold. Why is this happening?
    A:
    If your unit is blowing cool air but not cold air, there are a few factors to consider: 1. **Temperature Setting**: Ensure that the temperature setting on the unit is lower than the ambient temperature. If the ambient temperature is very close to the set temperature, the unit may not produce cold air effectively. 2. **Cooling Mode**: Confirm that the unit is set to cooling mode. If it is not in the correct mode, it may not function as intended. 3. **Installation**: Check if the installation method is correct. The unit must be properly connected to the outside to absorb heat and convert it into cold air. 4. **Compressor Functionality**: Listen for any sounds from the compressor. If the compressor is not running, it may indicate a malfunction. 5. **Refrigerant Levels**: There could be a refrigerant leak, which would prevent the unit from cooling properly. It may be necessary to have a technician check the refrigerant levels. If these steps do not resolve the issue, it may be best to consult a professional technician for further assistance.
    Costway representative
  • Q:
    What is the coldest outdoor operation on a 9100 k unit
    A:
    The coldest outdoor operation temperature for the 9,100 BTU heat pump is 19.4°F (-7°C) in heating mode and 5°F (-15°C) in cooling mode.
  • Q:
    None of your videos covered how the AC gets hooked up to the system. How does it get hooked up? Can it plug into a standard 110v power outlet? Or do we have to hardwire a dedicated 110 power line. Does it connect to the inside unit or the outside unit?
    A:
    The AC unit is designed to be plugged into a standard 110V power outlet. It does not require hardwiring to a dedicated power line. The power connection is typically made to the indoor unit, which is then connected to the outdoor unit as part of the overall system setup. If you have any further questions or need assistance with installation, feel free to reach out!
    Costway representative
  • Q:
    Does the indoor unit plug into an outlet and than you run a communication wire to condenser
    A:
    The indoor unit is not powered independently. It receives power from the outdoor unit, which is connected through a circuit breaker.
    Costway representative
  • Q:
    outdoor temp limits
    A:
    For cooling mode, the outdoor temperature limit is 5 to 125.6℉; for heating mode, the outdoor temperature limit is 5 to 75.2℉.
    Costway representative
  • Q:
    What color is the line sets?
    A:
    The line sets is black.
    Costway representative
  • Q:
    What is the coldest outdoor operation temperature? On 9k btu heat pump
    A:
    The heat pump can operate in heating mode down to 19.4°F (-7°C) and in cooling mode down to 5°F (-15°C).
    Costway representative

Manuals

Printable Brochure PDF

C$250

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