Chest freezer vs upright freezer: running cost

This is the most-suggested completion for “chest freezer vs”, and unusually for this site the folk answer is right — though not for the reason most people give. At the US average rate of 18.34¢ per kilowatt-hour the gap is $49 a year.

All comparisons · Both figures from the same duty-cycle model · EIA June 2026

Chest freezer costs less by

$49a year

$487 over ten years · chest freezer uses 44% less electricity

Chest freezer 342 kWh a year against 607 kWh — at the US average rate of 18.34¢/kWh.

Chest freezer342 kWh$63
Upright freezer607 kWh$111

The verdict

The chest freezer wins, and by more than the door design alone explains. Two things compound. Cold air is heavier than warm air, so opening a front door lets it pour out onto the floor while a lid holds it in — that part is the reason everybody cites. The larger part is defrosting: most uprights are frost-free, which means a heater periodically melts the frost off the coils and the compressor then has to remove that heat as well. ENERGY STAR’s own certified averages put a chest at 215 kWh a year against 395 for an upright, and the ratio here matches.

Side by side

Chest freezer and upright freezer are costed by the same function from the same dataset, so the $49 between them is a difference in the appliances and not in how each was measured. Chest freezer draws an average 39 W across the hours it runs; upright freezer draws 69 W across its own.

Both at 18.34¢/kWh, the EIA residential average for June 2026. Ten years is roughly the service life of either.

Chest freezerUpright freezerDifference
Electricity a year342 kWh607 kWh265 kWh
Cost a year$63$111$49
Cost a month$5.22$9.28$4.06
Over ten years$627$1,113$487

The assumptions behind those figures

Nothing above is a manufacturer’s claim. 130 W at 30% for 24 hours a day, 365 days a year, is where chest freezer’s 342 kWh comes from; 165 W at 42% for 24 hours over 365 days is where upright freezer’s 607 kWh comes from. The duty cycle is the input most published comparisons leave out, and it is why the ratings and the running costs are not in the same proportion here.

Change any of these on the appliance’s own page and every figure moves with it. The duty cycle is a property of the machine; the hours are a property of you.

Chest freezerUpright freezer
Rated power130 W165 W
Duty cycle30%42%
Hours a day in service2424
Days a year365365
Average draw while in service39 W69 W

Does the switch pay for itself?

The saving is $49 a year. What that has to pay back is the one number this site does not have — what chest freezer costs you, installed, after whatever incentives you qualify for — and quotes for the same job differ by thousands. So put yours in rather than have this page invent one, and the arithmetic runs in front of you.

Residential average for June 2026, from the EIA. Your own tariff may differ; you can read it off your bill.

The price after any rebate or tax credit you qualify for — that is the number the saving has to pay back.

Not how long it lasts — how long you expect to be the one paying the bill.

Saving a year
$49
Pays back in
—

once you enter a price

Net over 15 years
—
Electricity saved
265 kWh

a year

Enter the quote you were actually given, after any rebate or credit. At the US average rate of 18.34¢ per kWh the switch saves $49 a year — that is the figure your quote has to pay back.

The gap in your state

The appliances are the same everywhere; the rate is not. The gap between these two is worth $140 a year in Hawaii and $35 in Nevada — 4× apart, on identical appliances.

A year of each, by state. Residential average price, EIA June 2026.

StateRateChest freezerUpright freezerDifference
Hawaii52.72¢$180$320$140
California34.74¢$119$211$92
Massachusetts29.61¢$101$180$79
Maine29.59¢$101$180$79
New York29.49¢$101$179$78
Rhode Island29.23¢$100$177$78
Alaska28.21¢$96$171$75
New Hampshire27.01¢$92$164$72
New Jersey24.95¢$85$151$66
Vermont24.44¢$83$148$65
District of Columbia24.39¢$83$148$65
Connecticut24.32¢$83$148$65
Michigan22.99¢$79$140$61
Maryland21.84¢$75$133$58
Pennsylvania21.73¢$74$132$58
Illinois19.89¢$68$121$53
Wisconsin19.56¢$67$119$52
Delaware19.29¢$66$117$51
Ohio19.19¢$66$116$51
Minnesota17.52¢$60$106$47
Indiana17.51¢$60$106$46
Virginia17.22¢$59$105$46
Colorado17.13¢$59$104$45
Alabama16.4¢$56$100$44
Georgia16.36¢$56$99$43
Oregon16.32¢$56$99$43
Missouri16.22¢$55$98$43
Texas15.94¢$54$97$42
Iowa15.93¢$54$97$42
Kansas15.71¢$54$95$42
South Carolina15.55¢$53$94$41
West Virginia15.45¢$53$94$41
South Dakota15.36¢$52$93$41
Wyoming15.24¢$52$93$40
Arizona15.18¢$52$92$40
Montana15.14¢$52$92$40
Florida15.1¢$52$92$40
New Mexico15.06¢$51$91$40
Washington14.91¢$51$91$40
Mississippi14.88¢$51$90$39
North Carolina14.74¢$50$89$39
Idaho14.37¢$49$87$38
Oklahoma14.33¢$49$87$38
Kentucky14.26¢$49$87$38
Arkansas14.12¢$48$86$37
North Dakota14.12¢$48$86$37
Tennessee14.07¢$48$85$37
Louisiana13.49¢$46$82$36
Utah13.37¢$46$81$35
Nebraska13.25¢$45$80$35
Nevada13.11¢$45$80$35

Questions

Does an upright freezer really use more electricity than a chest freezer?
The chest freezer wins, and by more than the door design alone explains. On the assumptions printed above, chest freezer costs $63 a year and upright freezer costs $111 at 18.34¢ per kilowatt-hour — a difference of $49 a year, or $487 over ten years at today’s rate.
How is chest freezer’s 342 kWh a year calculated?
Rated watts × duty cycle × hours × days, plus standby, times your rate — the same function that produces every figure on this site. For chest freezer: 130 W × 30% × 24 h × 365 days ÷ 1,000 = 342 kWh, which at 18.34¢ is $63. Upright freezer runs through the identical arithmetic on its own assumptions and lands at $111. The rate is the EIA residential average for June 2026; nothing here is a manufacturer’s claim.
Is frost-free worth the electricity?
It depends on what your time is worth. Frost-free is most of the difference between the two figures above, and it exists so you never scrape ice out of a freezer again. A manual-defrost model asks for an hour or two of work twice a year in exchange for a meaningful share of the running cost.
Does filling it up help?
Yes, and it is free. Frozen mass holds temperature between compressor cycles, so a full freezer cycles less than an empty one. Filling the empty space with bottles of water measurably lowers the duty cycle, and works in either shape.
Does my state change the answer?
It changes the size of the gap, never its direction. The same pair costs $140 a year apart in Hawaii and $35 in Nevada. Whichever uses less electricity uses less everywhere; only what that is worth moves.

Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A, June 2026. U.S. Government work, public domain.

How every figure on this page is computed · Where the data comes from