If you leave the damper closed while you're burning wood in the fireplace, your home can quickly fill up with smoke. Your Fireplace Accessories and Chimney Caps Headquarters. Save my name, email, and website in this browser for the next time I comment. thank you for your help. my sister leaves her chimney flue open all the time so she can smoke up the chimney. Adjusting how air flows in and out of the damper can improve your fire and prevent common problems like backdrafts. Even if your pilot light is not lit, there is the danger that someone might forget to open the damper when using the gas fireplace. The damper is designed to be shut when the fireplace is not in use and can be easily opened when it is. When you are burning hardwoods or damp firewood, it is a good idea to open the damper as much as possible because these woods produce more smoke. It's common to forget to close the damper after a fire goes out, however, and that leaves a big hole through which heated or cooled air can escape the house. I am not in any way a professional when it comes to working a fireplace, just a man who has had two of them at my different houses. since its been so long since I’ve used my very old (28yrs) gas fireplace i just wanted to be sure Leaving the damper open will cause warm air to be sucked up the flue, drawing in more cold air. I found where the previous director had a quote to create accessibility with more … The damper in a gas fireplace should remain open all the time. How to Operate the Damper Damper operation depends on the type of damper … During the part of the year you are using your wood-burning fireplace, open the damper before you light the fire. To close a throat damper in a fireplace, lift the handle and pull it back towards you. We've had a fire going for almost two hours now, but the magnetic Rutland thermometer won't get above 350 or so. Your email address will not be published. Leave the damper open overnight. Gary Sprague is a master plumber with more than 25 years of experience. Separate remaining bits of firewood on the grate. It also prevents heat from escaping up the chimney when the fireplace is not in use. The open damper also lets the smoke go up and out the chimney. Not sure how to open or close fireplace damper? Stir embers on the fireplace floor. With the increased use of dynamic fire control systems, it was discovered that ordinary static type fire dampers would not always close if the HVAC system blower continued to run. The springs have jammed or corroded The springs are designed to release the blades, closing the fire damper but if they are jammed or have corroded, they will not be able to carry out this action, which will ultimately result in the fire spreading through your system. But when you have a fire going in your fireplace, you want the damper open to let in extra oxygen, which helps the fire burn better. Close the flue only after you have put out the fire. Yes, close the damper once all of the fire has died out. +  This helpful chimney feature can turn dangerous, however, if you are not aware of it at all times. Value of a Fireplace to the Price of a House. When not writing for FireplaceMall.com, she can often be found by a fireplace with a book in hand. He or she can give you instructions on the correct steps for lighting for the model you have. When a rise in temperature occurs, the fire damper closes, usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire, allowing springs to close the damper blades. FSDs will also close upon electrical power failure, as they are held open by a powered actuator. This is not only a fire hazard, it can also cause deadly carbon monoxide poisoning. 1 decade ago. Jerry, leave the damper open whenever the fire is burning so exhaust gases can escape through the chimney instead of entering your room. The Z 1100 door damper slows down the closing speed on the last few centimetres and closes the sliding door completely. she said, “Yeah I should be better about that.” ?? A chimney damper is important in keeping your fireplace sealed off when there is no fire roaring. Damper Hook with “Open Damper” and “Closed Damper” sides, Hanging Damper Sign with Open and Closed Sides. Yes, you will lose some heat up the flue, but you will save the occupants of the home from poisoning by colorless, odorless carbon monoxide. The normal procedure with a closed fireplace is, once the fire is how you want it, close the draft/s a bit, then close the damper just short of making the fireplace put smoke into the room. That means ashes are cool to the touch even when stirred. Only when they are completely cold to the touch is it safe to shut the fireplace damper. Notify me of followup comments via e-mail. An open damper is like an open window, allowing large amounts of heat from the home to escape. © Copyright 2020 Hearst Communications, Inc. After cleaning out your fireplace, close the damper. If you close the damper before that, you risk carbon monoxide poisoning. haha. If you have glass doors be sure to utilize them. Be sure the damper seals properly. If you have installed gas logs in your fireplace, the damper should never be closed. Now she claims she doesn’t have enough money for the heat! Enjoy your fireplace. Toward the end of the evening, let the fire die down instead of adding more logs. The damper should only be closed after the fire is completely out, which may take up to another full day for the embers to go cold. Technicians need to test and inspect fire dampers one year after installation and every four years after that, except in hospitals, in which the frequency is every six years, according to NFPA 80. Any fire rated wall or ceiling "CAN" require some type of F/S damper.There is plenty of good literature at the manufacturers web … Only close the damper when the fire is extinguished, and you want the room to remain heated. The manual says to close the damper at 500. Gas fireplaces emit a copious amount of carbon monoxide, so they must always have an open vent. I told her she needs to remember to keep her flue closed. Last updated by Susan at October 7, 2016. Never close the damper or leave the fireplace unattended while there is a fire in the fireplace. If a damper does not close properly, the integrity of the fire barrier is compromised. Close Fireplace Damper When Fire Is Completely Out. We bought a house over the summer with a wood stove, and this is our first year burning. This involves two photos of each damper, one photo of the damper open and one photo of the dampers closed. What? That means ashes are cool to the touch even when stirred. This is most important in the winter. eleven A fire damper is designed to remain open during normal conditions and slam shut to prevent the spread of flame, heat and smoke during a fire. }. The damper did not have a safety clip on it, so it was closed all the way. You can also subscribe without commenting. If necessary to keep the fire burning well and smoke-free, you may adjust the damper into a semi-open position. Shut the damper when the fire is completely, absolutely out. She ran out of heat twice now this winter. on Jan 06, 2020. In the summer, an open fireplace damper is like an open door. Close it when it's not it use. I have a gas log fireplace. 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