In conclusion, yes, chimney dampers are necessary for wood-burning chimneys. Installing a chimney damper is an important part of maintaining your fireplace or wood-burning stove. Not only does it help to reduce energy loss, protect against animals and debris, and increase the efficiency of your hearth appliances, but can also offer some insurance savings. When considering whether a chimney damper is necessary for your home, make sure that you understand the benefits of having one, and weigh them against the costs. Â