As expected and as advertised. It works perfect for my home. Mounting everything was tricky because of the lots of details but now everything is just fine. I replaced the so called air filter with a vacuum cleaner metal mesh air filter and, now, I know that no bug will get inside the burning chamber (because this could be a possibility depending on the environment). Overall I am satisfied with it and, hopefully, it will wok for many years. The only problem could be the Chinglish used in the manual. But, there are lots of videos on YT about all details related to this kind of device.