ApplianceRanked
Refrigerators/Sub-Zero

Sub-Zero DEU2450RO/*

Compact Refrigerator · 5.4

ENERGY STAR Most Efficient

Summary

The Sub-Zero DEU2450RO/* is a compact refrigerator with 5.4 capacity that uses 168 kWh per year, costing approximately $26.88annually to run at the US average electricity rate. Over 10 years, that's $268.80 in energy costs alone. It uses 46% less energy than the federal minimum standard, earning ENERGY STAR's "Most Efficient" designation — the top tier of certified products. This is an exceptionally efficient model.

Ranked #155 out of 4363 refrigerators by annual running cost, it costs $35.12 less per year than the category average of $62. At 24" wide, it fits in tight spaces where a full-size unit won't.

$26.88
per year to run
96
efficiency score /100
$268.80
10-year energy cost

How This Compares to Other Refrigerators

Ranked #155 out of 4363 in the refrigerators category (by lowest annual cost).

Annual Cost
$26.88 vs avg $62
$35.12/yr cheaper
Energy Use
168 kWh vs avg 385
217 kWh less
Efficiency Score
96 vs avg 63
Above average

Energy Details

Annual Energy Use168 kWh/year
Federal Standard309 kWh/year
Better Than Standard46%
Annual Cost (at $0.16/kWh)$26.88
Monthly Cost (estimated)$2.24
Capacity5.4
Width24"
Height34"
BrandSub-Zero
TypeCompact Refrigerator
Date Certified2020-11-23

Running Cost Breakdown

Estimated electricity costs at different time horizons (based on $0.16/kWh US average rate):

Monthly
$2.24
1 Year
$26.88
5 Years
$134.40
10 Years
$268.80

Actual costs vary by location. States like Hawaii ($0.43/kWh) pay significantly more while Idaho ($0.11/kWh) pays less. Use our energy calculator to estimate costs at your local rate.

What This Means for You

The Sub-Zero DEU2450RO/* is cheaper to run than the average refrigerator in its category. At $26.88/year, you'll save approximately $351.20 over 10 years compared to a typical model in this category.

With a high efficiency score, this model is one of the better options if minimizing long-term energy costs is a priority.

Energy costs are just one factor in choosing a refrigerator. Consider the purchase price, features, reliability, and how the total cost of ownership (purchase price + energy costs over its expected lifespan) compares to alternatives.

Energy cost estimated at $0.16/kWh (US national average). Your actual cost depends on your local electricity rate and usage patterns. Data from ENERGY STAR certified product database.