How dry does firewood have to be to burn efficiently?
Achieving 20% or less moisture content in your firewood is recommended to maximize the efficiency of your Masonry Heater and minimize creosote production. Do not burn wet wood, as this will create excessive creosote in the contraflow channels of the Masonry Heater and will eventually start “choking” the draft of the fireplace. Are there any safety issues with using a Masonry Heater? Mastercraft Masonry designs and installs our Masonry Heaters with sufficient drafting to prevent almost all smoke from entering into the home. As a safeguard, we recommend Masonry Heater owners to purchase a Carbon Monoxide (CO) detector to protect against the silent gas from entering your home. Every fireplace owner should have one. Masonry Heaters – when used properly – are a safe, gentle and efficient heat source! How much money can a Masonry Heater owner save on his power bill? We installed a Masonry Heater for a customer who had a larger family, and they opted for the water heating elements. They are s