Keystone Through-The-Wall AC
Best year-round climate control for small rooms needing space-saving installation.
This is the ultimate set-it-and-forget-it solution for year-round climate control in smaller rooms. By mounting directly through the wall, you reclaim your window view and floor space, though you sacrifice the portability of a standard unit for a permanent, seamless installation.
$519.99
at
Best Buy
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Who it's for
- Homeowners needing versatile climate control for every season
- Residents wanting unobstructed window views and permanent installation
- DIYers avoiding expensive electrical upgrades or specialized wiring
Who should skip it
- Renters or homeowners unable to modify exterior walls
- People living in climates with harsh, freezing winters
- Light sleepers sensitive to compressor and fan noise
Performance breakdown
Climate Versatility
Dual-function cooling and supplemental heating handles seasonal shifts with ease.
Installation Convenience
Through-the-wall mounting requires professional setup or significant DIY effort.
Energy Efficiency
Solid EER rating balances effective climate control with reasonable power consumption.
Operational Noise
Quiet performance ensures minimal disruption during sleep or daily activities.
Dehumidification Power
Efficient moisture removal keeps small rooms feeling crisp and comfortable.
Control Precision
Smart remote and built-in thermostat offer highly accurate temperature management.
Key Specs
Cooling Capacity
8,000 BTU
Supplemental Heating Capacity
4,200 BTU
Room Size Coverage
Up to 350 sq. ft.
Dehumidification
Up to 2.1 pints per hour
Dimensions
14.5 in (H) x 24.2 in (W) x 20.3 in (D)
Voltage
115V
Power Cord
7-ft. LCDI with NEMA 5-15P plug
Noise Level
51.8 dB
Weight
65 pounds
Energy Efficiency Ratio (EER)
9.6
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