# Mill Essential vs Airthereal Revive R500: specs and price compared

A sourced, side-by-side comparison of the Mill Essential (Mill) and Airthereal Revive R500 (Airthereal) among electric composters. Airthereal Revive R500 is the cheaper of the two at $349.99.

## Side by side

| Spec | Mill Essential | Airthereal Revive R500 |
| --- | --- | --- |
| US price | $999 | $349.99 |
| Brand | Mill | Airthereal |
| Released | — | 2023 |
| Capacity liters | 6.5 | 2.5 |
| Cycle time hours | overnight (continuous, automatic) | 4 |
| Noise level (dB) | 42 | — |
| Power watts | 540 | 500 |
| Carbon filter | — | Yes |
| Bucket dishwasher safe | — | Yes |
| Weight (kg) | 20.41 | 7.62 |
| Volume reduction percent | 80 | 90 |
| Dimensions (in) | 23 x 17 x 14 (H x W x D) | 12.5 x 10.0 x 12.5 |

## Key differences

- Capacity liters: Mill Essential 6.5 vs Airthereal Revive R500 2.5
- Cycle time hours: Mill Essential overnight (continuous, automatic) vs Airthereal Revive R500 4
- Power watts: Mill Essential 540 vs Airthereal Revive R500 500
- Weight (kg): Mill Essential 20.41 vs Airthereal Revive R500 7.62
- Volume reduction percent: Mill Essential 80 vs Airthereal Revive R500 90
- Dimensions (in): Mill Essential 23 x 17 x 14 (H x W x D) vs Airthereal Revive R500 12.5 x 10.0 x 12.5

## Sources

- Mill Essential: https://mill.com/food-recycler (mill.com, verified 2026-08-01)
- Airthereal Revive R500: https://airthereal.com/products/revive-electric-kitchen-composter (airthereal.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/electric-composters/mill-essential-vs-airthereal-revive-r500/
Cite: Per The Front Desk Review, Mill Essential ($999) vs Airthereal Revive R500 ($349.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/electric-composters/mill-essential-vs-airthereal-revive-r500/
License: CC BY 4.0.