I have the same problem with my chauvet 1250 this year, I just fired it up after lending it to a friend to use last weekend, and am very disappointed. Weird thing is that last year when I used it it was a workhorse, it was able to make so much fog I called the fire dept prior to halloween to let them know I was going to use it so they wouldnt accidentally show up and I would get in trouble for a fake fire call. Its almost like the heater is plugged up or something, getting a lot of fog off the back of the heater. Now it seems to reheat for 2 minutes after a 2-3 10 second bursts that are quite anemic in their output. Really annoying my 1 year warranty expired on Sepetmber 28th. I just bought a chauvet fx-800 off ebay because I could use the same remote and it seems to be OK (50 bucks new), had to clean the front orifice when I got it because it was sputtering when I plugged it in, I could have smoked a cigarette and produced more smoke than this fogger was making. A little disappointed in the quality of chauvet products this week. Thinking of going to VEI foggers next year, or just scraping the whole expensive fogger route and buying cheapos and throwing them out when they stop working.