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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.
Installation is versatile since it can be fitted in a window or through a wall using the included sleeve and hardware, though professional assistance is recommended for wall installations to ensure safety and proper fit. Additional features such as a full-function remote, a 24-hour timer, sleep mode, and energy saver mode add convenience and help tailor the unit’s operation to your preferences.
It requires 230 volts, so it’s best suited for homes with compatible electrical wiring. Also, while the unit includes mounting hardware, the relatively heavy weight (about 117 pounds) might make installation more challenging for some users. The build is straightforward, but the warranty is somewhat limited with one year on labor and parts and five years on the compressor only. For those seeking a reliable and efficient AC for medium to large rooms and who don’t mind professional help for wall installation, this BLACK+DECKER model represents a worthy option.
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.
It includes a smart remote control that provides convenient temperature monitoring and adjustment, enhancing user comfort. Additionally, modes like 'Energy Saver' and 'Sleep' help reduce electricity consumption, easing your energy bills. However, its Seasonal Energy Efficiency Ratio (SEER) of 9.3 indicates it’s not the most energy-efficient option on the market, and it doesn’t have Energy Star certification. The noise level at 61.5 dB is moderate; not extremely quiet but not excessively loud either.
Installation requires a special 230-volt/20-amp electrical outlet, which might be a consideration if your home isn’t already equipped with one. The unit’s design is space-saving, keeping your windows free, and it comes with a trim kit for easy installation. With a 1-year warranty on parts and labor and an additional 4 years for the sealed system, the product offers a decent assurance of durability. If you need a powerful, multifunctional thru-wall unit and can accommodate its installation requirements, this Keystone model is worth considering.
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 included remote control and multiple modes (auto, cool, dry, heat, and fan) provide flexibility and convenience for year-round comfort. The self-cleaning feature at high temperatures and auto-defrost function contribute to maintaining air quality and system longevity. However, installation must be done by a licensed HVAC installer, which could add to the initial cost and complexity. Additionally, the product uses R32 refrigerant, which is more environmentally friendly but might require specific inquiries about its availability for future maintenance.
With a robust warranty covering parts for 5 years and the compressor for 8 years, this unit offers long-term reliability. Potential buyers should consider the installation requirements and ensure compatibility with their existing setup. This unit is ideal for those looking for an energy-efficient, multi-functional air conditioning solution for medium-sized rooms.
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