Read the instructions carefully and the assembly is very easy.  The unit is very easy to start, is attractive and easy to move.  We got about ten hours of heating from a tank of propane.  I think that this time could probably be extended once I become accustomed to using the heater.  My neighbors loved it and went out and bought a heater for their patio.  The only drawback is the base cylinder sleeve which is hard to grip has to be lifted up to access the tank. I tried putting my fingers through the holes towards the bottom of the sleeve.  This worked a number of times until I cut myself on the sharp edges of the metal.  Other than that the heater is great.