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Refrigerators/Sub-Zero

Sub-Zero DEC3650R**/*

Freezerless and Single Door · 21.7

Summary

The Sub-Zero DEC3650R**/* is a freezerless and single door with 21.7 capacity that uses 362 kWh per year, costing approximately $57.92annually to run at the US average electricity rate. Over 10 years, that's $579.20 in energy costs alone. It uses 10% less energy than the federal minimum standard. It meets ENERGY STAR certification but isn't among the top performers.

Ranked #2397 out of 4363 refrigerators by annual running cost, it costs $4.08 less per year than the category average of $62. At 36" wide, it is a standard size for its category.

$57.92
per year to run
60
efficiency score /100
$579.20
10-year energy cost

How This Compares to Other Refrigerators

Ranked #2397 out of 4363 in the refrigerators category (by lowest annual cost).

Annual Cost
$57.92 vs avg $62
$4.08/yr cheaper
Energy Use
362 kWh vs avg 385
23 kWh less
Efficiency Score
60 vs avg 63
Below average

Energy Details

Annual Energy Use362 kWh/year
Federal Standard403 kWh/year
Better Than Standard10%
Annual Cost (at $0.16/kWh)$57.92
Monthly Cost (estimated)$4.83
Capacity21.7
Width36"
Height84"
BrandSub-Zero
TypeFreezerless and Single Door
Date Certified2022-09-23

Running Cost Breakdown

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

Monthly
$4.83
1 Year
$57.92
5 Years
$289.60
10 Years
$579.20

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 DEC3650R**/* is cheaper to run than the average refrigerator in its category. At $57.92/year, you'll save approximately $40.80 over 10 years compared to a typical model in this category.

Its efficiency score is moderate — solid but not top-tier. It balances upfront cost with reasonable energy savings.

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.