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The BLACK+DECKER 18,000 BTU thru-wall/window air conditioner is a solid choice for cooling larger rooms or open living areas up to 1,000 square feet. Its cooling power is strong enough to handle bigger spaces comfortably, and it offers multiple fan speeds including an auto mode to adjust cooling based on room conditions. The energy efficiency ratio of 11.8 is decent, meaning it won’t be overly costly to run compared to less efficient units. Noise levels at 54.5 decibels are moderate—noticeable but generally not disruptive for most living spaces.
The COSTWAY 12000BTU Mini Split Air Conditioner & Heater is a versatile unit designed for both cooling and heating spaces up to 750 square feet. With a high Seasonal Energy Efficiency Ratio (SEER) of 20.0, it promises excellent energy efficiency, which can lead to lower utility bills. The unit operates relatively quietly at 51 dB, which is generally considered acceptable for residential use, ensuring it won't disrupt your peace and quiet significantly.
The Keystone 14,000 BTU Wall Mounted Air Conditioner is a solid choice for cooling large spaces up to 700 sq. ft. It's versatile, offering not just cooling but also supplemental heating, a dehumidifier function, and fan circulation, making it suitable for year-round use. The 14,000 BTU cooling capacity is powerful, and the 10,600 BTU heating capacity is useful during cooler months, though it's meant as a supplementary heat source, not a primary one. The unit operates best when outside temperatures range between 23 and 76 degrees for heating functions.
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