Cool airflow movement as dictated by the set fan speed.
Water sounds. This is normal since your air conditioner also acts as a dehumidifier. Thus you will hear water sounds from water drops falling on the condenser.
As the refrigerant flows through the inner sealed tubing, a rushing noise may be occur.
Rattling or vibrating noises may be heard due to poor wall or window installation. 
High pitch compressor sound may be heard.
HWR08XC7, ESA3067 specifications
Haier, a prominent name in the appliance industry, offers a range of air conditioning units designed to enhance comfort and improve energy efficiency. Among their products, the Haier ESA3067, ESA3087, and HWR08XC7 stand out with their unique features, technologies, and characteristics tailored to meet diverse cooling needs.The Haier ESA3067 is a window air conditioning unit that offers a cooling capacity of 6,000 BTUs, making it ideal for small to medium-sized rooms. One of its key features is its energy-efficient design, which helps reduce electricity bills without compromising performance. The ESA3067 comes equipped with multiple cooling and fan speeds, allowing users to customize their comfort level. Additionally, it features a simple remote control operation, making it easy to adjust settings from anywhere in the room. The unit also includes a washable filter, promoting better air quality and reducing maintenance costs.
On the other hand, the Haier ESA3087 takes the capabilities a step further with a slightly higher cooling capacity of 8,000 BTUs. This model is suitable for larger rooms and includes an adjustable thermostat that allows for precise temperature control. Like the ESA3067, the ESA3087 features multiple fan settings, but it goes a bit further with a more advanced energy-saving mode that further optimizes power consumption during operation. Its sleek design not only enhances aesthetic appeal but also ensures easy installation and maintenance.
Another notable product, the Haier HWR08XC7, is a portable air conditioning unit offering versatile cooling options. With a capacity of 8,000 BTUs, it is effective for rooms up to 350 square feet. One of its standout features is the ability to dehumidify while cooling, making it perfect for humid climates. The HWR08XC7 comes with a user-friendly digital display and a remote control, providing added convenience for users. Furthermore, its compact design allows for easy mobility, enabling it to be transported to various locations without hassle.
In summary, Haier’s ESA3067, ESA3087, and HWR08XC7 air conditioning units offer a blend of efficiency, convenience, and comfort. The ESA3067 is ideal for smaller spaces, while the ESA3087 caters to larger rooms with energy-saving features. Meanwhile, the HWR08XC7’s portable design offers versatility and effective cooling for various environments. Whether seeking a window unit or a portable option, Haier delivers reliable air conditioning solutions for any setting.