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Overview

The Costway 36,000 BTU 4 Zone Mini Split Air Conditioner delivers efficient cooling and heating for large spaces while giving you individual control across four zones. Wi-Fi connectivity lets you adjust settings from your smartphone, while six modes and five fan speeds keep comfort within reach.
  • 36,000 BTU cools up to 2,850 sq. ft. — great for large open-plan areas
  • Quiet operation at 30dB — as peaceful as a quiet room
    • This description was generated by AI and reviewed for accuracy.

    Costway 3-in-1 Mini-Split Air Conditioner - 36000 BTU (2850 sq ft Coverage) - 30dB, Heat, Remote

    Model: BSTC02809
    Web Code: 19626606
    Sold and shipped by | 3.7 seller rating (5,164 reviews)

    Available for deliveryAvailable online only

    Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

    Enjoy on orders from this seller.

    Seller Return Policy

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    Warranty

    Check with the manufacturer for details.

    For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

    What's included:

    • 1 x 36k BTU Outdoor Unit
    • 3 x 9k BTU Indoor Unit
    • 1 x 24k BTU Indoor Unit
    • 4 x Communication Wire
    • 4 x Copper Connection Pipe (Air + Liquid)
    • 4 x Drain Hose
    • 4 x Remote Control
    • 4 x Mounting Plate
    • 4 x Wall Sleeve
    • 8 x Wall Cap
    • 4 x Screw Kit
    • 8 x Putty
    • 8 x Tape
    • 5 x User Guide
    What you need to know
  • Mini split system cools and heats four zones independently
  • 36,000 BTU capacity covers up to 2,850 sq. ft. — fits great rooms and large main areas
  • Noise as low as 30dB — comparable to a quiet room
  • Wi-Fi enabled for app-based control from your smartphone
  • Dimensions for each indoor unit: 9k: 31 x 11.5 x 7.8 in.; 24k: 44.1 x 13 x 9.1 in.
    • Cooling & Air Flow
  • Cool and heat multiple zones individually and efficiently
  • Operates in six modes with five wind speeds for personalized comfort
  • Maintains cooling performance in conditions up to 125°F and heating down to -13°F
    • Controls & Modes
  • Smartphone control lets you adjust the temperature and modes remotely via Wi-Fi
  • Remote control with digital display provides straightforward in-room operation
  • 24-hour timer lets you program operating times to match your schedule
    • Comfort & Humidity
  • Built-in dehumidifier draws up to 35.5 pints/day (9k unit) or 130 pints/day (24k unit) for added comfort
    • Maintenance
  • Removable, washable filter simplifies maintenance for improved air quality
    • Efficiency
  • Advanced inverter technology enhances energy efficiency
  • SEER2 rating of 23 and HSPF2 rating of 10
    • Installation & Portability
  • Includes communication wire, copper connection pipes, drain hoses, mounting plates, wall sleeves, and screw kits for installation
    • Safety
  • Chassis heating function helps prevent freezing during cold weather
    • Environmental Consideration
  • Uses R32 refrigerant, which has a lower environmental impact
    • Certification
  • Complies with ENERGY STAR, AHRI, and ETL (as stated by vendor)
    • This description was generated by AI and reviewed for accuracy.

    For Quebec residents – Disclosure under the Consumer Protection Act

    In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

    Shipping Charges

    Free standard shipping on all orders.

    Processing Time

    Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
    *Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

    Shipping Area Restrictions

    Shipping is not available in the following areas*:
    • No restrictions in Canada
    *Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
    See our return policy to find specific return information for this product and steps on how to return by mail.