Napoleon
Napoleon Prestige and Prestige Pro
https://www.napoleon.com/en/us/grills/lifetime-bumper-bumper-warranty
Napoleon Rogue grills
https://www.napoleon.com/en/us/grills/15-year-bumper-bumper-warranty
TravelQ™ 285 and PRO285 Series, Charcoal Kettle Series and Apollo® Smokers, and Built-in Components (Including Drop-in Side Burners)
https://www.napoleon.com/en/us/grills/10-year-limited-warranty
Read more: https://www.napoleon.com/en/us/grills/support/napoleon-warranty
Blaze Kamado
Blaze kamado grills have a lifetime warranty that warrants against any defects in the manufacturing and workmanship on the cast aluminum body, stainless steel cooking grids, hinge and all other parts. Grills must be registered within thirty days for the warranty to apply.
https://www.blazegrills.com/warranty/
Kamado Joe
Limited Lifetime Warranty on Ceramic Parts
Kamado Joe® warrants that all ceramic parts used in this Kamado Joe® grill and smoker are free of defects in material and workmanship for as long as the original purchaser owns the grill.
5-Year Warranty on Metal Parts
Kamado Joe® warrants that all metal and cast iron parts used in this Kamado Joe® grill and smoker are free of defects in material and workmanship for a period of five (5) years.
3-Year Warranty on Heat Deflector and Pizza Stone
Kamado Joe® warrants that the heat deflector frame and ceramic plate(s) and the pizza stone used for the Kamado Joe® grill and smoker are free of defects in material and workmanship for a period of three (3) years.
1-Year Warranty on Thermometer and Gaskets
Kamado Joe® warrants that the thermometer and gaskets used in this Kamado Joe® grill and smoker are free of defects in material and workmanship for a period of one (1) year.
Read more: https://www.kamadojoe.com/pages/warranty
Yoder
Yoder Smokers provides the longest warranty in the industry, meaning you can count on a lifetime of great BBQing. Our warranty is:
- Offset Smokers: Lifetime against rust-through
- Charcoal Grills: 10 years against rust-through
- Pellet Grills
- Body: 10 years against rust-through
- Electronics: 3 years (note: long thermocouples and non-ceramic igniters on previous models are warrantied for 1 year)
- Commercial Use: 6 months
PK Grills
PK Guarantees Its Aluminum Capsules Against Burnout, Rust and Breakage
Read more: https://www.pkgrills.com/warranty/