This heater is so easy to use and warms our very large master bath and bedroom with ease. We have a 2,100 square foot home and the gas fireplace that we have heats the entire house with the exception of our bedroom and bath. Since our room is on the opposite side of the home from the fireplace, the heat simply does not reach our room. We purchase this three or four years ago and only use it during the really cold winter months but it works like a charm. It has the ability to oscillate but we really do not need that function. Performance Excellent. We generally turn the heater on at about 7:00 p.m. and the temperature in our room may be as low as 56 degrees at that time. Within an hour, the temperature is a wonderful 65 degrees which is the temperature we like for sleeping. My husband has even used it to warm our garage in the winter when he is working on our vehicles. Ease of Use Comes with a manual but you can figure it out withour even having to read the instructions. Durability Haven't had a single problem. Design I like the design and it does not take up much space at all. But do not let the size fool you-it can really put out the heat. Safety We haven't had any safety issues.