Input lever
Thermal Profile
Wheel face
Kettle temperature
The temperature set on the kettle.
AeroPress Wheel Variable
Thermal stability
Thermal Profile · Process state
How stable the brew temperature remains during extraction.
Process state
Thermal Profile
Detail panel
Inferred
Competition practice
Definition
Thermal stability describes how much the extraction environment drifts once brewing begins.
Why It Matters
More stable thermal conditions usually improve repeatability and make other variables easier to test.
Page Context
Thermal stability is part of the Brew Supply AeroPress Wheel and helps brewers describe how stable the brew temperature remains during extraction.
Related variables
Input lever
Thermal Profile
Wheel face
Brew water temperature
The temperature of water when it contacts the coffee.
Input lever
Thermal Profile
Advanced detail
Pour temperature
The actual temperature of the water as it is poured.
Input lever
Thermal Profile
Wheel face
Brewer preheat
Heating the AeroPress before brewing.
Input lever
Thermal Profile
Wheel face
Filter rinse temperature
The temperature of the rinse water used on the filter.
Input lever
Thermal Profile
Detail panel
Server / cup preheat
Heating the receiving vessel before brewing or serving.
Affected outcomes
Measured metric
Cup Outcome
Wheel face
Beverage TDS
Measured total dissolved solids in the served beverage.
Calculated metric
Cup Outcome
Wheel face
Extraction Yield
Calculated percentage of coffee mass extracted.
Measured metric
Cup Outcome
Wheel face
Beverage Yield
The liquid beverage mass collected or served.
Cup outcome
Cup Outcome
Wheel face
Aroma
The smell of the brewed coffee.