Key Specs
Price
$179.99 USD
Wattage
1500W
Max Temperature
450 F
Container Material
Borosilicate glass
Ninja
#6 of 15 air fryers tested
Ninja
Ninja Crispi 4-in-1 Glass Air Fryer
Ninja
Ninja Crispi 4-in-1 Glass Air Fryer
$179.99
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You want borosilicate glass containers that are chemically inert and heat-resistant.
You accept nano-ceramic crisper plates as a compromise for the glass-bowl design.
The 62 dB noise level matters -- this is quieter than most air fryers on the market.
Dishwasher-safe glass containers and crisper plates simplify daily cleanup.
You want zero coating risk -- nano-ceramic has the same transparency concerns as undisclosed coatings per SKL.
You need independently verified PFAS-free testing, not just a manufacturer claim.
You want stainless steel crisper plates with no coating at all (e.g., Fritaire).
You require UL or ETL safety certification -- none is disclosed for this model.
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Sign up freeSpecs the product listing doesn't explain
What your food and family come into contact with every use
What determines how well this performs its core job
Ease of use, maintenance, and longevity
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3 criteria - open any layer to see exactly what we found
4.5
Safety
Below Average
9.4
Efficacy
Good
8.1
Usability
Good
“Are the materials my food touches actually safe, and has anyone independently verified that?”
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Criteria
Aluminum without food-grade qualifier — unconfirmed whether anodized, treated, or raw. Raw aluminum can leach into acidic foods. Score 4 reflects disclosed material without food-grade certification.
nano-ceramic: engineered nano-scale particles (1–100nm) have documented enhanced penetration risk under abrasion vs standard ceramic — SKL explicitly rejected Ninja Crispi for 'nano-ceramic with limited transparency'. proprietary-not-disclosed: 'nonstick' without coating name — cannot assess PFAS/PTFE content. Both score 1 per opacity principle.
“Will this air fryer actually crisp food well and heat up fast enough for weeknight cooking?”
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Criteria
Serious Eats 34-model test: square baskets 'consistently outperform round for crisping quality' — more surface area, better airflow. Glass-bowl-convection-rack provides 360° airflow. Both represent optimal cooking geometry.
“How easy is this to clean, how loud is it, and will it last?”
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Criteria
Safety standards and ingredients related to Ninja Crispi 4-in-1 Glass Air Fryer
A low-temperature setting (typically 95-170F) on select air fryers that slowly removes moisture from food to create dried snacks like fruit chips, beef jerky, dried herbs, and yogurt drops. The dehydrator function lets families make preservative-free snacks at home with no added sugar or artificial ingredients.
A rotating spit or tumbling basket feature found primarily in oven-style air fryers that slowly turns food for even browning on all sides. The rotisserie function combines slow rotation with convection heating to cook whole chickens, roasts, and larger items with consistent results in one appliance.
Every term is independently researched and sourced.
Full Safety DictionaryVerified retailer - current pricing
Starting price
$179.99
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Sign up free#6 of 15 air fryers reviewed
All confirmed food-grade material families: borosilicate glass (chemically inert, heat-resistant), 304/316/18-8/18-10 stainless (FDA 21 CFR compliant, non-reactive, corrosion-resistant). Explicit grade confirmation required to score 10 — 'stainless' alone maps to score 8. Both families recommended by primary sources as safest available.
Brand self-reports PFAS-free or PTFE-free without naming a certifying body or publishing a test report. SKL: 'PFAS-free does not guarantee a product is completely non-toxic.' No evidentiary weight, but positive claim is better than silence.
Strong performance. RTINGS top-pick (DZ550) measured 1510W, scored 8.2 in air frying performance.
Noticeable but not disruptive. Philips 3000 at 65 dB.
1 year: baseline industry standard.
