ChefMaker Combi Fryer vs Crispi 4-in-1 Portable Glass Air Fryer Cooking System: which is safer?

Ninja Crispi 4-in-1 Portable Glass Air Fryer Cooking System is the clear pick. Dreo ChefMaker Combi Fryer carries a failing PFAS grade, and we never recommend buying a failing product.

Dreo ChefMaker Combi Fryer

Dreo

ChefMaker Combi Fryer

PFAS grade

Bad 15/100

Overall grade

Bad 0/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Nonstick-coated cooking surface (type unspecified)

Confidence

35%

PossibleTeflon-type coating fume risk and polymer thermal decomposition

LikelyCoating degradation and microparticle shedding

PossibleAluminum base leaching under acidic conditions

Our pick

Ninja Crispi 4-in-1 Portable Glass Air Fryer Cooking System

Ninja

Crispi 4-in-1 Portable Glass Air Fryer Cooking System

PFAS grade

Excellent 75/100

Overall grade

Good 63/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Glass cooking vessel with stainless steel and plastic components

Confidence

75%

PossibleThermal fracture or stress in glass cooking vessel

PossiblePlastic housing off-gassing (VOCs and formaldehyde)

PossibleElectrical hazard or heating element degradation

Where these two actually differ

  • We flag PTFE fume risk and polymer thermal decomposition, Coating degradation and microparticle shedding, Aluminum base leaching under acidic conditions and Lack of independent third-party testing or certification on the Dreo and not on the Ninja.
  • We flag Thermal fracture or stress in glass cooking vessel, Plastic housing off-gassing (VOCs and formaldehyde) and Electrical hazard or heating element degradation on the Ninja and not on the Dreo.
  • The Dreo is Nonstick-coated cooking surface (type unspecified) where the Ninja is Glass cooking vessel with stainless steel and plastic components, which is most of the difference in these two grades.
  • The gap is 60 points, wide enough that this is not a close call, and the Ninja is the one to buy.
  • We are less certain about the Dreo grade, at 35% confidence against 75%, because it discloses less.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More air fryers: see the full ranking