Maintaining consistent humidity is an essential part of piano maintenance. Dampp-Chaser Piano Life Saver Systems are the best way to protect a piano from the devastating effects of humidity changes, such as tuning instability, sluggish keys & actions, and cracked soundboards & bridges. Over the past 60 years, thousands of churches, music schools, conservatories, and professional musicians have benefited from Dampp-Chaser products. These systems are recommended by virtually every piano manufacturer and credible tuner-technician. Available systems listed below. Prices include cost and shipping of system, installation. It is recommended to wait three weeks after installation before tuning is done, at additional cost. Consumer-friendly, flexible payment options are available.