Refrigerators
Liebherr FNa 6635 (Plus)
Freestanding 260 L upright freezer, 145.5 cm high, EU energy class A at 99 kWh/year, with NoFrost automatic defrosting and SmartDeviceBox retrofit for app control.
≈ €40/year to run · CHA estimate at Germany's average tariff · calculate your own
Every spec below is sourced from the manufacturer product page, verified 20 Sept 2026, never invented.
Key specs
The specs that decide it — everything else is in the full sheet below.
260 L
upright-freezer
A
99 kWh/yr
Yes
33 dB(A)
Features & connectivity
Connectivity & smart features
Programmes
Technologies
Manufacturer wording (23)
Feature text exactly as the manufacturer prints it. Listed for reference, not verified as a claim by this site.
- SmartDeviceBox: Nachrüstbar (SmartDevice-Funktionalität je nach Verfügbarkeit)
- SuperFrost: am Gerät und über App einstellbar
- BottleTimer: über App einstellbar
- Displaysperre: am Gerät einstellbar
- Türalarm Gefrieren: am Gerät und über App einstellbar
- Anzahl regelbarer Kältekreisläufe: 1
- NoFrost
- Touch-Display
- EasyOpen
- SuperSilent
- FrostProtect
- VarioSpace
- Umweltbewusste Materialien
- Griffmulde
- InteriorFit
- EnergySaver
- Stromausfallalarm
- Türalarm
- SabbathMode
- Temperaturalarm
- Gefriertablett
- Eiswürfelschale
- Schließhilfe
Feature data from the manufacturer page, read 2026-09-20. A feature is listed only when that page states it for this model; a missing chip is not a statement that the feature is absent.
Full specification sheet
Performance
How hard it works — speed, suction, power, temperatures.
- Freezer star rating
Freezer temperature rating (1★ = -6 °C … 4★ = -18 °C or colder). Higher freezes and stores food longer.
- 4 0th pct in category
- Freezing capacity
Fresh food it can freeze in 24 hours. Higher is faster to freeze a big shop.
- 17 kg/24h 94th pct in category
- Temp-rise / holdover time
How long frozen food stays safe during a power cut. Higher is safer.
- 18 h 75th pct in category
Capacity
How much it holds — load, volume, place settings, tank size.
- Total net volume
Usable storage across fridge and freezer. Higher holds more.
- 260 L 20th pct in category
- Freezer volume
Usable freezer volume.
- 260 L 90th pct in category
Energy & running cost
Energy label, consumption, water use and noise.
- Energy class
EU 2021 energy-efficiency label, A (best) to G (worst). Ranks how little energy the appliance uses for its class. A wins.
- A 91th pct in category
- Annual energy
Manufacturer-stated energy use per year under the standard test cycle. Lower is cheaper to run.
- 99 kWh/yr 87th pct in category
- Noise level
Airborne acoustic noise emission from the energy label. Lower is quieter.
- 33 dB(A) 85th pct in category
- Noise class
Noise-emission class (A quietest to D loudest) from the EU energy label.
- B
Physical
Size, weight, finish and how it installs.
- Width
External width — check against your installation gap.
- 69.7 cm
- Height
External height.
- 145.5 cm
- Depth
External depth (excluding handles/hoses unless stated).
- 76 cm
- Weight
Product weight. Relevant for handling and for cordless vacuums where lighter is better.
- 75.9 kg
- Colour
Standard finish colour.
- Weiß
- Installation
How it installs (freestanding, built-in / integrated, etc.).
- freestanding
- Format
Body style (fridge-freezer, american, french-door, upright/chest freezer, undercounter).
- upright-freezer
Features
Programmes, smart control and convenience functions.
- Wi-Fi / app control
Whether the appliance connects to a companion app over Wi-Fi.
- No
- Climate class
Ambient range the appliance is rated for (SN/N/ST/T, e.g. SN-T covers 10-43 °C).
- SN-T
- Frost-free / No Frost
Auto-defrost freezer — you never manually defrost.
- Yes
- Reversible door
Door hinge can be swapped left/right to suit your kitchen.
- Yes
- Wi-Fi module
Built-in, available as a retrofit module, or explicitly not available. Stored only when the manufacturer page states it for this model.
- Wi-Fi via retrofit module
- App ecosystem
The manufacturer app platform this model connects to (Home Connect, LG ThinQ, SmartThings and so on).
- Liebherr SmartDevice
- App name
The app name as the manufacturer prints it.
- SmartDevice
- Technologies
Named technologies the manufacturer states for this model (heat-pump drying, zeolite drying, pyrolytic cleaning and so on); each is defined in the glossary.
- No Frost, freezer only, Fast freezing, Door alarm
- Digital & AI features
Digital and AI functions the manufacturer states for this model; AI is only listed when the manufacturer itself uses the word.
- Sabbath mode, Colour touch display
Availability
Typical price, warranty and release year.
- Warranty
Standard manufacturer warranty length. Higher is better cover.
- 2 yr 1th pct in category
- Released
Year the model was introduced.
- 2,024
Frequently asked questions
What is the volume of the Liebherr FNa 6635 (Plus)? +
The Liebherr FNa 6635 (Plus) has a volume of 260 L.
What energy class is the Liebherr FNa 6635 (Plus)? +
The Liebherr FNa 6635 (Plus) carries an EU energy label rating of A.
How much energy does the Liebherr FNa 6635 (Plus) use per year? +
The Liebherr FNa 6635 (Plus) uses an estimated 99 kWh per year under the standard test cycle.
How loud is the Liebherr FNa 6635 (Plus)? +
The Liebherr FNa 6635 (Plus) has a rated noise level of 33 dB(A).
What warranty does the Liebherr FNa 6635 (Plus) come with? +
The Liebherr FNa 6635 (Plus) carries a standard manufacturer warranty of 2 years.
How much does the Liebherr FNa 6635 (Plus) cost to run per year? +
CompareHomeAppliances estimates about €40 per year in energy costs, based on the Liebherr FNa 6635 (Plus)'s own energy-label figures at Germany's average household tariff (€0.4/kWh, as of 2026-07). This is a CHA-computed estimate, not a manufacturer-stated figure — use the running-cost calculator to plug in your own tariff.