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
The Thunder Group RER55ASN Gas Rice Cooker is the better commercial rice cooker overall, rated 3.5 to 3.3. The Thunder Group RER55ASN Gas Rice Cooker leads on listings and heating. The Avantco GRC110 Gas Rice Cooker wins on value. The Avantco GRC110 Gas Rice Cooker costs $476.88 less ($443 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.
Avantco GRC110 Gas Rice Cooker
#3 in Gas cookersFull review
The cheapest way to a 110-cup gas batch, for far less than the Rinnai and Town units. It is far slower, so it suits kitchens that cook ahead.
Amazon $443$443
Which should you buy?
- Choose the Thunder Group RER55ASN Gas Rice Cooker for listings (listed NSF and CSA vs listed ETL, no sanitation listing published) and heating (93.3 W per cooked cup (35,000 BTU/hr) vs 37.3 W per cooked cup (14,000 BTU/hr)).
- Choose the Avantco GRC110 Gas Rice Cooker for value ($4.03 per cooked cup ($443, 110 cups) vs $8.36 per cooked cup ($919.88, 110 cups)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every gas cookers commercial rice cooker; a clear win is highlighted. How we rank explains each one.
| Factor weight | Thunder Group RER55ASN Gas Rice Cooker | Avantco GRC110 Gas Rice Cooker |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 25% | 25 $8.36 per cooked cup ($919.88, 110 cups) | 57 $4.03 per cooked cup ($443, 110 cups) |
| Capacity 15% | 100 110 cups cooked | 100 110 cups cooked |
| Heating 15% | 100 93.3 W per cooked cup (35,000 BTU/hr) | 87 37.3 W per cooked cup (14,000 BTU/hr) |
| Listings 20% | 100 listed NSF and CSA | 40 listed ETL, no sanitation listing published |
| Features 15% | 10 safety cutoff | 10 safety cutoff |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Thunder Group RER55ASN Gas Rice Cooker | Avantco GRC110 Gas Rice Cooker | |
|---|---|---|
| Capacity | ||
| Type | Gas cooker | Gas cooker |
| Cooked capacity | 110 cups | 110 cups |
| Raw capacity | 55 cups | 55 cups |
| Power | ||
| Gas input | 35,000 BTU/hr | 14,000 BTU/hr |
| Fuel | natural gas | natural gas |
| Plug or connection | - | 1/2 in gas connection |
| Listings | ||
| Sanitation | NSF | - |
| Safety | CSA | ETL |
| Features | ||
| Inner pot | - | aluminum |
| Hinged lid | No | - |
| Safety cutoff | Yes | Yes |
| Build | ||
| Dimensions | 23 x 18.5 x 17.75 | 20 1/4 diameter x 17 1/8 H |