Appliances / Freezers / Liebherr

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CompactTop 10% cheapest to runENERGY STAR certified

Liebherr UF3651

2.5 cu ft · Compact freezer

Electricity, 12 years
$338
Per year
$28

Check the price at the store, then add $338 of electricity to get the true cost. We may earn a commission if you buy through these links; as an Amazon Associate we earn from qualifying purchases.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $338 of electricity over 12 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$28
Over 12 years
$338
Saves vs the federal maximum
$44/yr
Rank for running cost
#2 of 113

About the Liebherr UF3651

The Liebherr UF3651 is a 2.5 cu ft compact freezer certified by ENERGY STAR. Its official test figure is 155 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $28 a year, or $338 over a typical 12-year life.

That is 61% less energy than the federal maximum for this type of freezer (397 kWh a year), a saving of about $44 a year compared with a model that only just meets the standard.

Among 113 compact models it ranks #2 for running cost, in the cheapest 10%. The cheapest model of this type would save $39 in electricity over 12 years, though it may differ in size and features.

If you want the same type and a similar size for less to run, the Avanti CF24Q0W uses 137 kWh a year and would save about $39 over 12 years.

Listed features: auto defrost.

Cost to run where you live

Electricity per year
$28
Electricity over 12 years
$338
Add the price you pay
+ $338

155 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.

Cheaper to run, same type and size

Or see every compact (under 7 cu ft) model ranked.

Avanti CF24Q0W2.5 cu ft$25/yrsaves $39

Specs

BrandLiebherr
ModelUF3651
TypeCompact
Energy use155 kWh / year
Federal maximum for this type397 kWh / year
Size2.5 cu ft
FeaturesAuto defrost
DefrostAutomatic
Built-inNo

Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.

Questions people ask

How much does the Liebherr UF3651 cost to run?

About $28 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 155 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.

How much will the Liebherr UF3651 cost in electricity over its life?

About $338 over 12 years, a typical life for a freezer. Add that to the price you pay to get the true cost to own.

Is the Liebherr UF3651 energy efficient?

Yes. It is ENERGY STAR certified and uses 61% less energy than the federal maximum for its type.

Is there a cheaper freezer to run of the same type and size?

Yes. The Avanti CF24Q0W uses 137 kWh a year, about $39 less in electricity over 12 years.

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