The answer to 'why is my dehumidifier high energy bills' is that a dehumidifier using too much energy is often caused by an inefficient or oversized unit, a dirty air filter, or other issues. Dehumidifiers can account for a significant portion of a home's energy usage, so it's important to ensure it's operating efficiently.
Some common causes of high energy bills with a dehumidifier include: an oversized unit that removes more moisture than necessary, a dirty air filter that reduces airflow, a unit that is old and no longer running efficiently, or a unit that is not properly sized for the space. Addressing these issues can help reduce energy consumption and lower your utility bills.