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18000 BTU Enabled Mini Split Air Conditioner & Heater with Heat Pump

Prices as of October 7, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$810.99
Sep 23 · Macy's
Best price
$810.99
−0% vs high
14-day high
$810.99
All stores

Lowest recorded: $736.09 at Macy's on May 20, 2026 · $74.90 above that low today · tracked since Aug 2025.

$811$811$811
Sep 23Oct 7
  • Macy's
Price has held at $810.99 for the past 14 days.

About this product

The Costway 18000 BTU mini split air conditioner and heater with heat pump is a high-efficiency cooling and heating system designed for rooms up to 1250 square feet. It features a 21 SEER2 rating and 9 HSPF2, using an inverter technology to maintain comfort while conserving energy. The unit includes both indoor and outdoor components, along with essential installation accessories such as copper pipes, power and communication wires, a drain hose, remote control, and mounting hardware. With four operating modes—cool, heat, dry, and fan—it supports year-round use. The indoor unit has a self-cleaning function and removable washable filter for easy maintenance. It operates on 208–230V, 60Hz, single-phase power, with a maximum input power of 2200W and current of 12A. The indoor unit measures 38" x 8.5" x 12.5" (L x W x H), and the outdoor unit is 31" x 12" x 22" (L x W x H). Constructed from metal, aluminum, and plastic, it is imported.

  • 18000 BTU cooling capacity
  • 17700 BTU heating capacity
  • 21 SEER2, 9 HSPF2 efficiency
  • Self-cleaning function
  • Remote control included
  • Indoor unit: 38" x 8.5" x 12.5"

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18000 BTU Enabled Mini Split Air Conditioner — Price History