Winco RW-S451 100-Cup Rice Warmer
#1 in Rice warmersFull review
The best-value warmer here: 100 cups, a hinged lid and a sanitation listing at a low price per cup.
Amazon $245.68$245.68
The Winco RW-S451 100-Cup Rice Warmer rates 4.3 among rice warmers commercial rice cookers; the Thunder Group RER55ASN Gas Rice Cooker rates 3.5 among gas cookers ones. The Winco RW-S451 100-Cup Rice Warmer costs $674.20 less ($245.68 vs $919.88).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Thunder Group RER55ASN Gas Rice Cooker
#2 in Gas cookersFull review
A Rinnai-built gas cooker for kitchens cooking rice by the hundred servings. It cooks the biggest batch here.
Amazon $919.88$919.88
Scores side by side
These two sit in different type classes (rice warmers and gas cookers), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Winco RW-S451 100-Cup Rice Warmer | Thunder Group RER55ASN Gas Rice Cooker |
|---|---|---|
| Overall rating | 4.3/5 | 3.5/5 |
| Value 25% | 79 $2.46 per cooked cup ($245.68, 100 cups) | 25 $8.36 per cooked cup ($919.88, 110 cups) |
| Capacity 15% | 86 100 cups cooked | 100 110 cups cooked |
| Heating 15% | 100 holds rice up to 12 hours | 100 93.3 W per cooked cup (35,000 BTU/hr) |
| Listings 20% | 100 listed ETL Sanitation and ETL | 100 listed NSF and CSA |
| Features 15% | 60 hinged lid, stainless body, keeps warm 8 hours or more, condensation collector | 10 safety cutoff |
| Warranty 10% | 33 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Winco RW-S451 100-Cup Rice Warmer | Thunder Group RER55ASN Gas Rice Cooker | |
|---|---|---|
| Capacity | ||
| Type | Warmer only | Gas cooker |
| Cooked capacity | 100 cups | 110 cups |
| Raw capacity | - | 55 cups |
| Keep-warm time | 12 hours | - |
| Power | ||
| Wattage | 103 W | - |
| Gas input | - | 35,000 BTU/hr |
| Fuel | - | natural gas |
| Voltage | 120 V | - |
| Listings | ||
| Sanitation | ETL Sanitation | NSF |
| Safety | ETL | CSA |
| Features | ||
| Inner pot | nonstick | - |
| Hinged lid | Yes | No |
| Stainless body | Yes | - |
| Condensation collector | Yes | - |
| Safety cutoff | - | Yes |
| Build | ||
| Dimensions | 19 x 14.88 x 17.88 | 23 x 18.5 x 17.75 |
| Warranty | 1 year | - |