Whirlpool WZF79R20D
Covers every color and finish of this model.
Not ENERGY STAR certified
Upright freezer · 19.7 cu ft
Inthis freezer costs
about $8 a month
$95 a year
An estimate at your state's average rate — not a guarantee of your bill.
The yellow sticker says $74 a year.
You'll pay $21 more.
Sticker uses 14¢ per kWh. The U.S. average is 18.0¢ per kWh.
Energy use
525 kWh a year
vs similar upright freezer
+15%
Cheaper freezers, same size
ENERGY STAR lists 3 other certified models at the same 525 kWh a year, size and type, so everything on this page applies to them too.
Cheaper to run, same size
- Frigidaire FFUE2024AUpright freezer · 20 cu ft$76
- Frigidaire FFUE1836AVUpright freezer · 17.8 cu ft$80
- Frigidaire FFUE1836AWUpright freezer · 17.8 cu ft$80
- Frigidaire FFUE1826AWUpright freezer · 18 cu ft$81
A year at the U.S. average residential rate.
Cost in every state
525 kWh a year × each state's average residential rate (EIA 12-month average through July 2026).
| State | Rate | Per year | Per month |
|---|---|---|---|
| Hawaii | 43.7¢ | $229 | about $19 a month |
| California | 33.1¢ | $174 | about $14 a month |
| Massachusetts | 30.4¢ | $160 | about $13 a month |
| Rhode Island | 29.4¢ | $154 | about $13 a month |
| Maine | 29.3¢ | $154 | about $13 a month |
| New York | 28.4¢ | $149 | about $12 a month |
| Connecticut | 28.2¢ | $148 | about $12 a month |
| Alaska | 27.0¢ | $142 | about $12 a month |
| New Hampshire | 26.8¢ | $140 | about $12 a month |
| District of Columbia | 24.2¢ | $127 | about $11 a month |
Show all 52 statesShow fewer
| Vermont | 23.9¢ | $125 | about $10 a month |
|---|---|---|---|
| New Jersey | 23.6¢ | $124 | about $10 a month |
| Maryland | 22.3¢ | $117 | about $10 a month |
| Michigan | 21.0¢ | $110 | about $9 a month |
| Pennsylvania | 20.8¢ | $109 | about $9 a month |
| Illinois | 19.0¢ | $100 | about $8 a month |
| Wisconsin | 18.8¢ | $98 | about $8 a month |
| Ohio | 18.3¢ | $96 | about $8 a month |
| U.S. average | 18.0¢ | $95 | about $8 a month |
| Delaware | 18.0¢ | $94 | about $8 a month |
| Indiana | 17.1¢ | $90 | about $7 a month |
| Virginia | 16.6¢ | $87 | about $7 a month |
| Colorado | 16.6¢ | $87 | about $7 a month |
| Alabama | 16.5¢ | $87 | about $7 a month |
| Minnesota | 16.2¢ | $85 | about $7 a month |
| Texas | 16.0¢ | $84 | about $7 a month |
| South Carolina | 15.7¢ | $83 | about $7 a month |
| West Virginia | 15.7¢ | $82 | about $7 a month |
| Oregon | 15.6¢ | $82 | about $7 a month |
| Arizona | 15.5¢ | $81 | about $7 a month |
| Florida | 15.4¢ | $81 | about $7 a month |
| New Mexico | 15.2¢ | $80 | about $7 a month |
| Kansas | 15.1¢ | $79 | about $7 a month |
| Georgia | 15.1¢ | $79 | about $7 a month |
| Mississippi | 14.9¢ | $78 | about $7 a month |
| North Carolina | 14.9¢ | $78 | about $7 a month |
| South Dakota | 14.3¢ | $75 | about $6 a month |
| Washington | 14.2¢ | $74 | about $6 a month |
| Wyoming | 14.2¢ | $74 | about $6 a month |
| Iowa | 14.1¢ | $74 | about $6 a month |
| Kentucky | 14.0¢ | $73 | about $6 a month |
| Montana | 13.9¢ | $73 | about $6 a month |
| Missouri | 13.9¢ | $73 | about $6 a month |
| Tennessee | 13.7¢ | $72 | about $6 a month |
| Oklahoma | 13.6¢ | $72 | about $6 a month |
| Nevada | 13.6¢ | $71 | about $6 a month |
| Arkansas | 13.5¢ | $71 | about $6 a month |
| Utah | 13.3¢ | $70 | about $6 a month |
| Louisiana | 13.1¢ | $69 | about $6 a month |
| Nebraska | 12.9¢ | $68 | about $6 a month |
| Idaho | 12.7¢ | $67 | about $6 a month |
| North Dakota | 12.5¢ | $66 | about $5 a month |
What the Whirlpool WZF79R20D costs where electricity is expensive
At Hawaii's average residential rate of 43.7¢ per kWh, the Whirlpool WZF79R20D costs $229 a year — $156 more a year than the label says. The EnergyGuide label estimates $74 a year, because every label in the country is calculated at 14¢ per kWh. At the U.S. average of 18.0¢ per kWh this freezer costs $95 a year, and in North Dakota, the cheapest state, $66 a year.
| Where | Rate | Cost a year | vs the label |
|---|---|---|---|
| Hawaii | 43.7¢ per kWh | $229 | +$156 |
| California | 33.1¢ per kWh | $174 | +$100 |
| Massachusetts | 30.4¢ per kWh | $160 | +$86 |
| Rhode Island | 29.4¢ per kWh | $154 | +$81 |
| Maine | 29.3¢ per kWh | $154 | +$80 |
| North Dakota | 12.5¢ per kWh | $66 | −$8 |
Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh. Label figure calculated at 14¢ per kWh, the rate the FTC requires on labels.
Full specs
At the U.S. average residential rate this one costs $95 a year — about 15% more expensive to run than the average upright freezer ($83 a year across 621 certified models).
Every model on this scale is ENERGY STAR certified. Range across 621 upright freezers, priced a year at the U.S. average residential rate.
- Brand
- Whirlpool
- Model number
- WZF79R20D*as ENERGY STAR lists it; * and # stand for color and finish codes
- Type
- Upright freezer
- Capacity
- 19.7 cu ft
- Annual energy use
- 525 kWh a year
- Annual energy use with ice maker
- 610 kWh a year
- ENERGY STAR Most Efficient
- No
- Product class
- (9.) Upright freezers with automatic defrost without an automatic icemaker
- Adjusted volume (cu ft)
- 34.6
- EnergyGuide label
- https://www.whirlpool.com/services/manuals.html
Where to buy
We do not sell appliances. These open a search on the retailer's own site.
Common questions
+How much does the Whirlpool WZF79R20D cost to run per month?
about $8 a month at the U.S. average residential rate of 18.0¢ per kWh, or $95 a year. Your cost depends on your state's rate — see the table above.
+How many kWh does the Whirlpool WZF79R20D use?
525 kWh a year, as the manufacturer filed it with the U.S. Department of Energy, in its compliance certification database. With the automatic ice maker it is listed at 610 kWh a year.
+Is the Whirlpool WZF79R20D energy efficient?
It is not ENERGY STAR certified — it is filed with the U.S. Department of Energy, which every model on sale must be. It uses about 15% more electricity than the average upright freezer (average: 457 kWh a year).
+How does the Whirlpool WZF79R20D compare to the average freezer?
The average upright freezer in our database uses 457 kWh a year, costing $83 a year at the U.S. average residential rate. The Whirlpool WZF79R20D uses 525 kWh a year, costing $95 a year.
How we calculate this
Annual energy use (525 kWh a year) is the figure the manufacturer filed for this model with the U.S. Department of Energy, in the compliance certification database. Running cost is that figure multiplied by a state's average residential electricity price from the U.S. Energy Information Administration (12-month average through July 2026, average revenue per kWh).
This model is filed in two configurations. The headline figure is the one without an automatic ice maker; the ice-maker configuration is listed separately above.
Sources: U.S. DOE compliance certification data, updated fortnightly · U.S. EIA electricity prices, 12-month average through July 2026.