WattCost

Data through June 2026

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

Ariston ARIHPWH-65-T

For a standard household draw pattern, the Ariston ARIHPWH-65-T uses a certified 1,225 kWh per year: roughly $225 annually at the national average rate. That's close to the middle of the certified pack — about 1% above the median electric water heater, ranked 270 of 510. The same unit costs $161 a year in Nevada but $646 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 50.5" H × 20.2" W

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

$225/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$18.72
Per day
62¢
Certified use
1,225 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
61 gal
First-hour rating
77 gal
UEF
4.05
681 kWh1,741 kWh
Where the Ariston ARIHPWH-65-T (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Ariston ARIHPWH-65-T: 1,225 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$201
Alaska28.2¢$346
Arizona15.2¢$186
Arkansas14.1¢$173
California34.7¢$426
Colorado17.1¢$210
Connecticut24.3¢$298
Delaware19.3¢$236
District of Columbia24.4¢$299
Florida15.1¢$185
Georgia16.4¢$200
Hawaiipriciest52.7¢$646
Idaho14.4¢$176
Illinois19.9¢$244
Indiana17.5¢$214
Iowa15.9¢$195
Kansas15.7¢$192
Kentucky14.3¢$175
Louisiana13.5¢$165
Maine29.6¢$362
Maryland21.8¢$268
Massachusetts29.6¢$363
Michigan23.0¢$282
Minnesota17.5¢$215
Mississippi14.9¢$182
Missouri16.2¢$199
Montana15.1¢$185
Nebraska13.3¢$162
Nevadacheapest13.1¢$161
New Hampshire27.0¢$331
New Jersey24.9¢$306
New Mexico15.1¢$184
New York29.5¢$361
North Carolina14.7¢$181
North Dakota14.1¢$173
Ohio19.2¢$235
Oklahoma14.3¢$176
Oregon16.3¢$200
Pennsylvania21.7¢$266
Rhode Island29.2¢$358
South Carolina15.6¢$190
South Dakota15.4¢$188
Tennessee14.1¢$172
Texas15.9¢$195
Utah13.4¢$164
Vermont24.4¢$299
Virginia17.2¢$211
Washington14.9¢$183
West Virginia15.4¢$189
Wisconsin19.6¢$240
Wyoming15.2¢$187

Certified models closest in efficiency

electric water heaters within reach of 1,225 kWh/yr
ModelkWh/yr$/yr (US avg)
Lennox WHHP065T45MD240S1,225$225
Rinnai REHP801,225$225
Rinnai REHP80BM1,225$225
Rinnai REHP80C1,225$225
Midea CAN3-RSJ-15/300RDVN3-L41,230$226
Midea MAHW-80VN3B1,230$226

Run your own numbers

Your rate, your numbers

Per day
62¢
Per month
$18.72
Per year
$225

1,225 kWh/yr × 18.3¢/kWh = $225/yr

Prefilled with this model's certified 1,225 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-65-T use?
ENERGY STAR certifies the Ariston ARIHPWH-65-T at 1,225 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-65-T cost to run per month?
About $18.72 a month at the U.S. average residential rate (18.3¢/kWh) — 62¢ a day, or $225 a year. Your state's rate moves this up or down; see the table above.
Is the Ariston ARIHPWH-65-T energy efficient?
It uses 1% more electricity than the median certified electric water heater.
What does the Ariston ARIHPWH-65-T cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $161 a year in Nevada (13.1¢/kWh) and $646 in Hawaii (52.7¢/kWh).

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