ECM Elektronika II Profi vs Stone Espresso Stone

Technical comparison · Heat exchanger

In brief

Elektronika II Profi and Stone are two heat exchanger in a similar class. Choose Elektronika II Profi if water tank capacity matters more; choose Stone if pid control matters more. On the category's technical index, Stone ranks #17 of 19, Elektronika II Profi #18.

Parameter
ECM Elektronika II Profi Elektronika II Profi ECM F4 · Semi-professional
Stone Espresso Stone Stone Stone Espresso F3 · Advanced
Identity
Use tier F4 — Semi-professional F3 — Advanced
Price
Price (€) ~2200–5000 € ~1000–2200 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) (cm) 32.5 × 47.5 × 40 cm 22.5 × 44 × 35.5 cm
Weight (kg) 29 kg 20.5 kg
Power (W) 1400 W 1000 W
Voltage (V) 220 V 220 V
Category specs
Boiler architecture Heat exchanger (HX) Heat exchanger (HX)
Portafilter diameter (mm) 58 mm mm
PID control No Yes
Pump type Rotary
Group head type Proprietary
Boiler material Stainless steel
Water tank capacity (l) 3 l 1.2 l
Heat-up time (s) 600 s
Pressure gauge Yes

The differences that matter

  • PID control: Stone yes, Elektronika II Profi no
  • Water tank capacity: Elektronika II Profi 3 l vs Stone 1.2 l — Elektronika II Profi wins (+150%)

Which one to choose

Choose Elektronika II Profi if…

you value water tank capacity.

See the Elektronika II Profi sheet →

Choose Stone if…

you value pid control.

See the Stone sheet →

Questo confronto rimanda alle due schede, dove trovi i dati completi e i link ufficiali.