Home & Kitchen · Head-to-head
InSinkErator Evolution 1 HP vs Waste King L-8000 (Legend Series, 1 HP)
Which should you buy? Our verdict on both, pulled from our full The Best Garbage Disposals: 4 Compared (and One to Skip) comparison.
The Evolution 1 HP is the disposal we'd put in our own kitchen: quiet, powerful, and built from materials that last. If its premium price stings, the Waste King L-8000 delivers nearly the same grinding muscle for less, as long as you can tolerate the extra noise.

InSinkErator Evolution 1 HP
Buy itThe quiet, do-everything workhorse that grinds tough scraps without waking the house.
- 1 HP motor with four-stage MultiGrind handles tougher scraps than single-stage budget units
- SoundSeal insulation, which InSinkErator lists as its quietest tier
- Stainless steel grind components resist corrosion and hold up over years of daily use
- 10-year in-home warranty listed by the maker
- Tall, heavy body eats up under-sink cabinet space and can crowd plumbing
- Premium price is hard to justify for a lightly used kitchen

Waste King L-8000 (Legend Series, 1 HP)
Buy itA 1 HP disposal at a mid-range price with a 20-year limited warranty.
- High-speed permanent-magnet motor spins up fast and clears typical food waste quickly
- Stainless steel grind components and a pre-attached power cord make it a genuine value
- Twist-and-lock EZ Mount is one of the easier disposals to install yourself
- 20-year limited warranty is generous at this price
- Insulated, but not at the level of the Evolution's quietest-tier SoundSeal, so expect more noise
- Lightweight body (about 12 lb) with a reinforced polymer grind chamber rather than an all-metal one
Side by side
The 7 criteria below are the ones our full comparison judged every product on, narrowed to these two.
| InSinkErator Evolution 1 HP Our pick | Waste King L-8000 (Legend Series, 1 HP) | |
|---|---|---|
| Our verdict | Buy | Buy |
| Best for | Busy family kitchens that cook from scratch and want the quietest, most capable continuous-feed unit. | Value-focused buyers and DIY installers who want strong grinding and can accept a bit more noise. |
| Price tier | $$$ · premium | $$ · mid-range |
| Feed type | Continuous feed | Continuous feed |
| Motor power | 1 HP | 1 HP permanent magnet |
| Grinding capability | 4-stage MultiGrind | Fast permanent-magnet motor |
| Noise | Quietest SoundSeal tier | Insulated, less quiet than Evolution |
| Grind components | Stainless steel | Stainless steel |
| Warranty | 10-year in-home | 20-year limited |
| Best household fit | Busy family kitchens | Value seekers / DIY |
Which one is right for you?
Pick the InSinkErator Evolution 1 HP if
busy family kitchens that cook from scratch and want the quietest, most capable continuous-feed unit.
Know before buying: tall, heavy body eats up under-sink cabinet space and can crowd plumbing.
Pick the Waste King L-8000 (Legend Series, 1 HP) if
value-focused buyers and DIY installers who want strong grinding and can accept a bit more noise.
Know before buying: insulated, but not at the level of the Evolution's quietest-tier SoundSeal, so expect more noise.
The bottom line
Our overall pick is the InSinkErator Evolution 1 HP - The quiet, do-everything workhorse that grinds tough scraps without waking the house. Choose the Waste King L-8000 (Legend Series, 1 HP) instead if value-focused buyers and DIY installers who want strong grinding and can accept a bit more noise.
Want the full picture, including the other options we compared and the popular one we'd skip? Read the complete The Best Garbage Disposals: 4 Compared (and One to Skip).