A dedicated keep warm setting holds food at serving temperature after the main cook finishes, useful when timing multiple dishes or waiting for everyone to sit down. Both picks below list this as a named function rather than just an “off” state.
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Best keep-warm air fryers compared
| Model | Capacity | Keep warm listed as | BestTop Score | |
|---|---|---|---|---|
 Cosori 9-in-1 TurboBlazeBest overall |
6 qt | Named function | 9.0 | Check price |
 Cuisinart CompactMaxBest slim design |
8 qt | "Warm" function | 8.8 | Check price |
1. Cosori 9-in-1 TurboBlaze — Best Overall
Cosori lists Keep Warm as one of the TurboBlaze’s nine named functions, alongside Air Fry, Roast, Bake, Broil, Dry, Frozen, Proof and Reheat.
Verified details: Cosori 9-in-1 TurboBlaze Air Fryer, 6 qt (ASIN B0C33CHG99) · 90–450°F · 9 functions including Keep Warm · PFAS-free ceramic coating. Specs verified against Cosori’s documentation; last checked July 2026.
Buy it if you want a dedicated Keep Warm function alongside the widest temperature range here.
Read our full Cosori TurboBlaze review for more detail.
2. Cuisinart CompactMax (AIR-210) — Best Slim Design
Cuisinart’s CompactMax lists a “Warm” function among its four core modes, in a slim 8-quart basket built for tighter counters.
Verified details: Cuisinart CompactMax 8-Quart (ASIN B0FNYBG8F7) · 8 qt · 4 functions: Air Fry, Roast, Bake, Warm · 3 presets. Specs verified against manufacturer documentation; last checked July 2026.
Buy it if you want more capacity in a slim footprint alongside a warm-holding function.
Read our full Cuisinart AIR-210 review for more detail.
Frequently asked questions
Does keep warm reheat food? No — it’s meant to hold already-hot food at serving temperature briefly, not to reheat food that’s already cooled.
How long can I leave food on keep warm? Check your specific model’s manual; extended holding times can dry out some foods regardless of the setting.
Do most air fryers have this function? No — many basic models don’t name a dedicated keep warm mode; check the specific function list before assuming it’s included.
Final verdict
For a dedicated Keep Warm function with the widest temperature range, the Cosori TurboBlaze is the top pick. For more capacity in a slimmer body, the Cuisinart CompactMax covers the same need.
See how we calculate the BestTop Score for our rating method.