The Ariston Nuos Plus Wi‑Fi is a premium air‑source heat‑pump water heater delivering up to 80% energy savings over traditional electric cylinders. Operating quietly (≈ 51 dB in Silent mode) and reaching temperatures up to 62 °C in heat‑pump mode (or ~75 °C with electric boost), it's scalable with 200 L (direct-heating 200D) or 245 L (indirect 250I) tanks. Features include remote control via the Aqua Ariston NET app, monthly anti-legionella cycles, Plug & Play installation, and full integration with solar or Ariston systems via Bus BridgeNet®. Known for having one of the fastest warm-up times and top-tier performance.
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€2.687,98 - €3.107,96
€2.687,98
€2.846,76
€3.107,96
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Product Details
Technical Specifications
Feature
200D (200 L)
250I (245 L)
Tank Capacity
200 L
245 L
Tapping Profile
L
XL
COP (EN conditions)
~3.10
~3.14
Heating Time
~ 3 h 59 min
~ 5 h 24 min
Energy Rating
A+
A+
Max Water Temp (HP mode/with HE)
62 °C / 75 °C
62 °C / 75 °C
Operating Air Temp Range
−10…42 °C
−10…42 °C
Sound Level (Normal / Silent)
55 dB / 51 dB
55 dB / 51 dB
Heat Pump Power
Up to 900 W
Up to 900 W
Backup Heating (electric)
Dual 1 500 W + 1 000 W elements
Same
Air Flow Rate
650 m³/h
650 m³/h
Max Operating Pressure
6 bar
6 bar
Annual Energy Use (typ.)
~790 kWh
~1 299 kWh
Seasonal Efficiency (ηwh)
~130%
~129%
V₄₀ (L mix at 40 °C)
~256 L
~333 L
Tank Construction
Titanium‑enameled steel, dual anode
Same
Noise-Reducing Mode
Silent mode 51 dB
Silent mode 51 dB
Connectivity & Modes
Wi‑Fi via Aq. Ariston NET; modes: Green, Comfort, Boost, Fast, i‑Memory, Holiday; scheduling; Bus BridgeNet® compatible
Same
Installation
Indoor, floor-standing, IPX4 rated
Same
Minimum Installation Room Volume
30 m³
30 m³
Weight (approx.)
90 kg
115 kg
Insulation Thickness
≈ 50 mm
≈ 50 mm
Ratings And Reviews
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