Works well for heating and cooling a larger room or small addition without ductwork, and the 20 SEER2 rating means better efficiency than most standard window units. Apply coupon code "CWHZ9" for a savings of $337.50. Deal ends September 30. Buy Now at cozeware.com
- 24,000 BTU cooling and heating capacity
- 20 SEER2 efficiency rating
- Ductless mini-split heat pump system
- Inverter compressor technology for temperature control
- Remote control and programmable timer functionality
This Tmini split system is $260 off the regular price at Lowe's, bringing it down to $399.99. It carries a 19 SEER2 efficiency rating and covers rooms up to 450 sq. ft., with both cooling and heating modes plus a 24-hour programmable timer. This deal ends September 15. Buy Now at Lowe's
- 9,000 BTU capacity covers rooms up to 450 sq. ft.
- 19 SEER2 energy efficiency rating
- Offers Cool, Heat, Dry, and Fan modes plus Sleep, ECO, and Turbo settings
- Includes a 24-hour programmable timer and remote control
Cooling and heating a room up to roughly 1,000 square feet without ductwork is the main appeal here, making it a fit for garages, additions, or bonus rooms that your main HVAC system doesn't reach well. It's currently $140 off the $760 list price, bringing it to $620. Apply coupon code "ONTYEPYG" to save. Deal ends September 16. Buy Now at Amazon
- Smart WiFi control with voice and app support
- Inverter technology with three ECO power-saving modes
- Sleep mode at 31dB
- 4D airflow system with seven wind speeds
At Walmart, this Frigidaire window air conditioner is on clearance for $299, at least $37 less than you'd pay anywhere else. It covers rooms up to 350-sq. ft. and includes a remote control, a washable filter, and a 24-hour programmable timer. Buy Now at Walmart
- Cools spaces up to 350 sq. ft.
- 6-way directional airflow with 3 fan speeds
- Includes remote control
- Fits windows 23-36" wide and at least 15.5" high
- Sleep, Eco, and Dry modes
- Washable, reusable filter
Cooling a single room without a permanent install is the main appeal here, since this unit rolls between spaces and vents out any standard window, making it a solid fit for renters. At $250, that's $40 off the $290 list price. Buy Now at Amazon
- 10,000 BTU cooling for spaces up to 300 sq. ft.
- App and voice control via Alexa and Google Assistant
- Cooling, dehumidification, and fan modes
- Tool-free window installation kit included
- Removable and washable air filter
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