WattCost

Data through April 2026

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

Friedrich PROH40 T2 FD350UM

For a standard household draw pattern, the Friedrich PROH40 T2 FD350UM uses a certified 879 kWh per year: roughly $166 annually at the national average rate. That's 19% less than the median certified electric water heater, placing it comfortably in the efficient third of the field (128 of 566). The same unit costs $109 a year in North Dakota but $410 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$166/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$13.79
Per day
45¢
Certified use
879 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
36 gal
First-hour rating
60 gal
UEF
3.5
643 kWh1,741 kWh
Where the Friedrich PROH40 T2 FD350UM (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Friedrich PROH40 T2 FD350UM: 879 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$153
Alaska27.4¢$240
Arizona15.5¢$136
Arkansas14.2¢$124
California35.3¢$310
Colorado16.5¢$145
Connecticut32.2¢$283
Delaware18.8¢$165
District of Columbia25.4¢$223
Florida15.4¢$135
Georgia15.4¢$135
Hawaiipriciest46.6¢$410
Idaho12.7¢$112
Illinois20.5¢$180
Indiana17.9¢$157
Iowa13.9¢$122
Kansas15.8¢$139
Kentucky15.0¢$132
Louisiana14.4¢$127
Maine28.4¢$250
Maryland22.1¢$194
Massachusetts29.4¢$259
Michigan21.4¢$188
Minnesota16.4¢$144
Mississippi16.8¢$147
Missouri14.0¢$123
Montana13.9¢$122
Nebraska13.3¢$117
Nevada14.3¢$126
New Hampshire27.2¢$239
New Jersey23.5¢$207
New Mexico15.2¢$133
New York29.4¢$259
North Carolina16.3¢$143
North Dakotacheapest12.3¢$109
Ohio19.5¢$171
Oklahoma13.3¢$117
Oregon15.8¢$139
Pennsylvania21.5¢$189
Rhode Island28.3¢$249
South Carolina17.1¢$150
South Dakota14.5¢$128
Tennessee14.9¢$131
Texas17.0¢$149
Utah13.3¢$117
Vermont24.6¢$216
Virginia17.4¢$153
Washington14.4¢$126
West Virginia16.1¢$141
Wisconsin19.2¢$169
Wyoming14.7¢$129

Certified models closest in efficiency

electric water heaters within reach of 879 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH40 T2 FD310BM879$166
Friedrich PROH40 T2 FD310UM879$166
Friedrich PROH40 T2 FD350BM879$166
Rheem PRO H40 T2 RH310BM879$166
Rheem PRO H40 T2 RH310UM879$166
Rheem PROUH40 T2 RH350BM879$166

Run your own numbers

Your rate, your numbers

Per day
45¢
Per month
$13.79
Per year
$166

879 kWh/yr × 18.8¢/kWh = $166/yr

Prefilled with this model's certified 879 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 Friedrich PROH40 T2 FD350UM use?
ENERGY STAR certifies the Friedrich PROH40 T2 FD350UM at 879 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 Friedrich PROH40 T2 FD350UM cost to run per month?
About $13.79 a month at the U.S. average residential rate (18.8¢/kWh) — 45¢ a day, or $166 a year. Your state's rate moves this up or down; see the table above.
Is the Friedrich PROH40 T2 FD350UM energy efficient?
It uses 19% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Friedrich PROH40 T2 FD350UM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $109 a year in North Dakota (12.3¢/kWh) and $410 in Hawaii (46.6¢/kWh).

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