AskPrice
Costway 9000 BTU 21 SEER2 208/230V Wifi Enabled Mini Split Air Conditioner & Heater

Costway 9000 BTU 21 SEER2 208/230V Wifi Enabled Mini Split Air Conditioner & Heater

Prices as of October 1, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Kohl's price tracker

14-day low
$622.79
Sep 21 · Kohl's
Best price
$622.79
−10% vs high
14-day high
$691.99
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Jul 2026.

$692$657$623
Sep 18Oct 1
  • Kohl's
Lowest in 14 days: $622.79 at Kohl's. Highest: $691.99. Current best is 10% below the 14-day high.

About this product

The Costway 9000 BTU 21 SEER2 Wi-Fi enabled mini split air conditioner and heater provides year-round climate control for spaces up to 450 square feet. It features inverter technology for energy efficiency, with a heating capacity of 10,000 BTU and cooling capacity of 9,000 BTU. The unit operates quietly, down to 28 dB, and supports seven operating modes and eight fan speeds. Control is available via mobile app, voice assistants like Amazon Alexa and Google Assistant, or the included remote. It includes a self-clean function, washable filters, and a child lock. The indoor unit measures 31.93” x 7.48” x 12.05”, and the outdoor unit weighs 51.8 lbs. Refrigerant used is R32. Installation requires mounting hardware and copper piping.

  • 9000 BTU cooling capacity
  • 10000 BTU heating capacity
  • 21 SEER2 energy efficiency
  • Wi-Fi and voice control
  • self-clean function
  • washed filters, low noise at 28 dB

You might also like

More from Costway

All 7,018 Costway products →
Costway 9000 BTU 21 SEER2 208/230V Wifi — Price History