WattCost

Data through June 2026

Running cost · Water Heaters (Electric) · ENERGY STAR certified

Ariston ARIHPWH-80-T

Heating a typical household's hot water, the Ariston ARIHPWH-80-T is certified at 1,210 kWh a year — about $222 at the U.S. average electricity rate, or $18.49 a month. Efficiency-wise it's unremarkable in a good way: within 0% of the median certified electric water heater (rank 255 of 510). The same unit costs $159 a year in Nevada but $638 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 59.8" H × 20.2" W

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$222/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$18.49
Per day
61¢
Certified use
1,210 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
74 gal
First-hour rating
88 gal
UEF
4.1
681 kWh1,741 kWh
Where the Ariston ARIHPWH-80-T (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Ariston ARIHPWH-80-T: 1,210 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$198
Alaska28.2¢$341
Arizona15.2¢$184
Arkansas14.1¢$171
California34.7¢$420
Colorado17.1¢$207
Connecticut24.3¢$294
Delaware19.3¢$233
District of Columbia24.4¢$295
Florida15.1¢$183
Georgia16.4¢$198
Hawaiipriciest52.7¢$638
Idaho14.4¢$174
Illinois19.9¢$241
Indiana17.5¢$212
Iowa15.9¢$193
Kansas15.7¢$190
Kentucky14.3¢$173
Louisiana13.5¢$163
Maine29.6¢$358
Maryland21.8¢$264
Massachusetts29.6¢$358
Michigan23.0¢$278
Minnesota17.5¢$212
Mississippi14.9¢$180
Missouri16.2¢$196
Montana15.1¢$183
Nebraska13.3¢$160
Nevadacheapest13.1¢$159
New Hampshire27.0¢$327
New Jersey24.9¢$302
New Mexico15.1¢$182
New York29.5¢$357
North Carolina14.7¢$178
North Dakota14.1¢$171
Ohio19.2¢$232
Oklahoma14.3¢$173
Oregon16.3¢$197
Pennsylvania21.7¢$263
Rhode Island29.2¢$354
South Carolina15.6¢$188
South Dakota15.4¢$186
Tennessee14.1¢$170
Texas15.9¢$193
Utah13.4¢$162
Vermont24.4¢$296
Virginia17.2¢$208
Washington14.9¢$180
West Virginia15.4¢$187
Wisconsin19.6¢$237
Wyoming15.2¢$184

Certified models closest in efficiency

electric water heaters within reach of 1,210 kWh/yr
ModelkWh/yr$/yr (US avg)
Lennox WHHP080T45MD240S1,210$222
LG APHWC802D1,210$222
LG APHWC802L1,210$222
LG APHWC802M1,210$222
Friedrich PROH80 T2 FD400-301,213$222
Friedrich PROH80 T2 FD400-SO1,213$222

Run your own numbers

Your rate, your numbers

Per day
61¢
Per month
$18.49
Per year
$222

1,210 kWh/yr × 18.3¢/kWh = $222/yr

Prefilled with this model's certified 1,210 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.

Questions, answered with the data

How much electricity does the Ariston ARIHPWH-80-T use?
ENERGY STAR certifies the Ariston ARIHPWH-80-T at 1,210 kWh per year. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.
How much does the Ariston ARIHPWH-80-T cost to run per month?
About $18.49 a month at the U.S. average residential rate (18.3¢/kWh) — 61¢ a day, or $222 a year. Your state's rate moves this up or down; see the table above.
Is the Ariston ARIHPWH-80-T energy efficient?
It uses 0% less electricity than the median certified electric water heater.
What does the Ariston ARIHPWH-80-T cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $159 a year in Nevada (13.1¢/kWh) and $638 in Hawaii (52.7¢/kWh).

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