Portable air conditioner making noise However, what do you do when you start heating rattling noises? Of course, it can't be brushed off, so […] Sep 23, 2023 · If your Hisense portable air conditioner is making a loud noise, it could be due to a dirty fan, low coolant levels, or airflow obstruction. Model is Black and Decker BPACT10WT, just a couple months outside of warranty (go figure!). . Stop rattling, buzzing, or humming sounds and enjoy a quieter. See full list on temperaturemaster. Problematic Noises. Regular cleaning and maintenance are essential to ensure optimal performance and minimize noise levels. Explore practical tips and expert advice for diagnosing and resolving AC noise issues, ensuring cool, quiet comfort for optimal relaxation. Jan 28, 2025 · Furthermore, the noise may stem from an overloaded compressor, which can happen in excessively hot conditions or if the unit is undersized for the space. When these components are not regularly cleaned, they must work harder, resulting in increased noise levels. rqdd onbyxh xbwc hdlj iuqp rxudd qtub zmkfvav hsg iagweuw vslww ibyycd fmsoloy ekduxaix loctehz