You can extend the life of your projector lamp by following some easy steps. Cleaning the filter regularly will stop the projector lamp from burning at hotter temperature thus extending the lamp life. Try not to turn on and off the projector quickly as it can cause destabilized current which in turn can cause the projector lamp to fail permanently.
Allowing the projector to cool down before unplugging it or moving it will extend the life of the projector lamp. And always run the projector in economy mode. There should be no hitch in air intake and exhaust vent.
Follow the other tips given to lengthen the lamp life and have long lasting projector.