Despite often being called “pellet grills,” they still cook via indirect heat, as opposed to flame, and are better seen as a smoker. They’re excellent for smoking briskets, chicken and turkey, salmon and other fish, but maybe not for steaks, as you won’t be able to get the same crispy, browned sear they call for, and that you can get with an open-flame grill.
If you’re in the market to buy a grill, yet you’ve only grilled with propane or charcoal in the past, wood pellet grills may have piqued your curiosity. These grills use a very different cooking method than the direct flame of propane, resulting in more even heating and more precise temperature control. A wood pellet grill is more like a smoker than an open flame grill, as it’s difficult to sear meat with a wood pellet grill. Purchasing and using a wood pellet grill is going to be more expensive than propane and charcoal grills.
160ºF up to 500ºF temperature range for slow smoking to grill (25,000 BTU). Stainless Steel meat probe measures internal food temperature. Simple Ash Cleanout System (patented).Smart Smoke Technology. Stainless Steel fire box. Digital controller automatically maintains cooking temperature. Grease Management System. Blue LED digital temperature display..Bottom utility rack. Large, heavy wire grilling area dimensions: 19.5" x 22". Included warming rack provides (570 sq. in. total cooking surface).
The wood pellet grill features a dual rack design with a 513 square inch main cooking surface and 187 square inch warming rack. With a 20-pound hopper capacity, the grill has plenty of space for wood pellets to keep grilling during long event and parties when you have many mouths to feed. An automatic pellet feeder makes it easy to maintain the desired temperature, so you can focus on just the grilling itself.  
This website has a lot of negative reviews... I mixed some salt and pepper, rubbed onto some ribs, and put on the Traeger. After about 5 hours sitting in my a/c living room, looking out the window, at perfectly managed temp, the ribs were done, perfect, juicy, with a beautiful wood smoky flavor that I've never gotten on charcoal or even in restaurants with professional pitmasters and all. I did phone Traeger when I was putting the grill together and doing the 1st burn in, there were humans there (!) and they were knowledgeable and helpful on the 1st time.
You like the idea of cooking different types of foods on the grill: If you’re someone who wants to grill food other than meat, the Traeger grilling system gives you this option. With the precise temperature control of the Traeger, cooking things like fruit pies can be a successful endeavor, something you wouldn’t dare try with a propane-fired grill.

First one, had an auger problem... told that this never happens. Returned to Costco, now on 2nd Unit. FIRE HAZARD, fire pot overloaded after temp dropped from 375 to 100 on a four-hour turkey. When I opened the lid to see what was going on it EXPLODED into a fireball and then had flames shooting out from all sides of the grill. There was even smoke and heat felt from the firebox side of the grill and it looked as though the overloaded firepot was burning into the auger line as well. DANGEROUS PRODUCT!!!
The wood pellet grill features a dual rack design with a 513 square inch main cooking surface and 187 square inch warming rack. With a 20-pound hopper capacity, the grill has plenty of space for wood pellets to keep grilling during long event and parties when you have many mouths to feed. An automatic pellet feeder makes it easy to maintain the desired temperature, so you can focus on just the grilling itself.  
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