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Pianos in Hot Weather

The weather in the last week has been hot hot hot; perhaps a prelude to a beautiful summer! With that in mind, the following post discusses temperature control and how acoustic pianos react to extremes of weather. Keep reading to find out more!


Piano Hot Weather
Source: https://www.wallpaperbetter.com/other-wallpaper/piano-music-room-sun-rays-222441

Pianos are made of natural materials; wood, felt, leather. These materials are affected by the changes in temperature and humidity and this can dramatically alter the tuning and regulation of the instrument. This is one of the main reasons why we suggest having your piano tuned once every 6 months to help it acclimatise each time there is a significant season change!


Below are some key considerations and facts which should help our readers to appreciate and adapt where necessary to keep their instrument in tip top condition:


  1. Temperature Control: Pianos thrive best in stable temperatures, ideally between 68-72°F (20-22°C). Extreme heat can cause the wood to expand and potentially warp, affecting the tuning and overall integrity of the instrument.

  2. Humidity Levels: Maintaining a consistent humidity level is crucial. High humidity can cause the wood to swell, while low humidity can lead to cracks and other damage. The ideal humidity level for pianos is around 42-50%.

  3. Placement: Avoid placing your piano near windows, doors, or air vents where it might be exposed to direct sunlight or drafts. This can lead to rapid temperature and humidity changes, which are harmful to the instrument.

  4. Air Conditioning: Use air conditioning to keep the room temperature stable during hot weather. If possible, use a humidifier or dehumidifier to maintain consistent humidity levels. Please bear in mind it is best not to have the AC directly above or on the instrument, but to have it in the room just gently maintaining the environment.

  5. Covering the Piano: If you can't avoid having the piano in direct sunlight from a window or door, use a piano cover to protect it from the bleaching and heat effects and to help stabilize the internal temperature of the piano.

  6. Regular Maintenance: Regular tuning and maintenance by a professional piano technician can help catch and mitigate issues caused by temperature and humidity changes, so make sure to have regular appointments!

  7. Humidity Control Systems: Consider installing a humidity control system specifically designed for pianos, such as the Dampp-Chaser Piano Life Saver System, which can help regulate the internal environment of the instrument.


By taking these precautions, you can help ensure that your piano remains in good condition during hot weather, or even in cold weather! A stable environment is the most important thing for keeping your piano in the best condition possible so when in doubt, run through your checklist of temperature, humidity, and placement.


Now that you have read this blog, how many mistakes can you see in the first picture??

  1. Piano next to two radiators - excessive unstable heat

  2. Piano next to windows - drafts and excessive direct sun light

  3. Piano not with a cover on to protect it from the sun

  4. Piano directly next to a doorway - drafts and instable environment


We hope that this short blog Pianos in Hot Weather has helped you to understand some of the factors which should be taken in to consideration as we move in to the hottest months of the summer.

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