Quick answer: Ideal humidity for a piano If you want the simplest target that keeps most pianos stable year-round, aim for about 42–45% relative humidity (RH) and focus on consistency. Start by purchasing a hygrometer so you can measure humidity. Watch the humidity in your piano room for a week. If your readings are out … Read more
Customers regularly ask me which is the best humidifier for their piano and music room. Pianos are creatures of humidity: Wood is hygroscopic, meaning it naturally absorbs and releases moisture from the air depending on the humidity level. Controlling that relative humidity in and around your piano is the one of the most important aspects … Read more
Pianos have wood and metal inside of them, and both react to relative humidity in different ways. Wood is hygroscopic, meaning it absorbs and releases moisture from the surrounding air. This causes the wood to expand in humid air and shrink in dry air. Metal can rust and corrode if the humidity gets too high, … Read more