Keystone Through-the-Wall Air Conditioner
Best year-round climate control for small apartments or dedicated workspaces.
This is the ultimate set-it-and-forget-it solution for year-round climate control in smaller spaces. By combining robust cooling with supplemental heating in one permanent wall unit, you sacrifice portability for a cleaner, more seamless look that handles seasonal shifts without needing a separate heater.
$484.00
at
Home Depot
More Through-the-Wall Air Conditioner options
Who it's for
- Homeowners needing versatile climate control for changing seasons
- Design-conscious users wanting unobstructed windows and a built-in look
- People needing powerful, consistent cooling for larger rooms
Who should skip it
- Renters or DIYers lacking professional carpentry and electrical skills
- Buyers without existing high-voltage electrical infrastructure
- Shoppers replacing older units with non-standard wall sleeves
Performance breakdown
Cooling Efficiency
Solid 10,000 BTU output handles mid-sized rooms with consistent, reliable power.
Heating Versatility
Supplemental heat adds valuable utility for chilly transitional shoulder seasons.
Control Precision
Remote-based thermostat sensing ensures the temperature stays exactly where you set it.
Installation Complexity
Through-the-wall mounting requires specific structural preparation and dedicated 230V electrical access.
Maintenance Ease
Washable filter design keeps upkeep simple and avoids recurring replacement costs.
Energy Management
Energy-saver mode and programmable timer help curb electricity usage during operation.
Key Specs
Model Number
KSTAT10-2HD
Brand
Keystone
Category
Through-The-Wall Air Conditioners
Cooling Capacity
10,000 BTU
Supplemental Heat Capacity
10,600 BTU
Coverage Area
450 sq. ft.
Voltage
230 V
Electrical Requirement
230-volt/20-amp
Air Flow Rate
287 CFM
Dehumidification
2.3 pints per hour
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