Skip to main contentSkip to footer
Slide 1 of 10

Overview

The inverter-driven system and R454B refrigerant offer efficient performance with 20 SEER2 and 9.5 HSPF2 ratings, helping reduce energy waste. The outdoor unit features chassis electrical heating to support cold-weather operation. Choose the airflow and comfort level you want with 7 operating modes and 8 fan speeds. The 4D airflow promotes more balanced coverage, while the self-clean function helps keep the indoor coil fresher for ongoing performance.

Costway 12000 BTU 20 SEER2 115V Mini Split Air Conditioner & Heater with Heat Pump & Installation Kit

Model: BSTC03081
Web Code: 19839993
Sold and shipped by | 3.7 seller rating (5,174 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

Read return policy

Warranty

Check with the manufacturer for details.

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

Feature

Powerful cooling & heating keeps large spaces consistently pleasant

Lower energy consumption thanks to the inverter technology

R454B refrigerant aligns with modern environmental expectations

Control from anywhere with smart wifi connectivity and voice control

Whisper-quiet operation that won’t interrupt sleep, work, or relaxation

Includes a remote control for quick and easy adjustments

24-hour timer for you to enjoy effortless set-and-forget comfort

Outdoor unit with chassis heating boosts cold-weather dependability

7 modes and 8 fan speeds for customized airflow experience

4D swing spreads air more evenly throughout the space

Self-clean function and washable filters reduce upkeep

Specification

Color: White

Material: Cold-rolled Steel Sheet, Copper, Aluminum

Indoor Unit Dimensions: 31.93” x 7.99” x 11.5” (L x W x H)

Outdoor Unit Dimensions: 30.98” x 11.42” x 19.61” (L x W x H)

Voltage: 115V

Frequency: 60Hz

Cooling Capacity: 12000 BTU

Heating Capacity: 12000 BTU

Rated Input Consumption (Cooling): 1050W

Rated Input Consumption (Heating): 1030W

Coverage Area: 750 Sq.Ft

Maximum Air Flow Volume: 306 CFM

Dehumidification Capacity: 81.2 Pints/Day

Temperature Setting Range: 60℉~88℉

Max Remote Control Distance: 26 ft

Refrigerant: R454B

SEER2: 20

HSPF2: 9.5

Indoor Noise Level: 28 dB

Diameter of Gas Pipe: 3/8"

Diameter of Liquid Pipe: 1/4"

Net Weight of Indoor Unit: 19.8 lbs

Net Weight of Outdoor Unit: 55.1 lbs

Package Includes:

1 x Indoor Unit

1 x Outdoor Unit

1 x 16.4ft Copper Connection Pipe - Liquid Pipe

1 x 16.4ft Copper Connection Pipe - Gas Pipe

1 x 13ft Communication Wire

1 x 6.5 ft Drain Pipe

1 x Remote Control

1 x Remote Control Holder

1 x Insulation Foam

1 x Wall Sleeve

1 x Wall Cap

1 x Tape

1 x Putty

1 x User Guide

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.