WattCost

Data through June 2026

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

Perfect aire 1PAWH50G

Heating a typical household's hot water, the Perfect aire 1PAWH50G is certified at 855 kWh a year — about $157 at the U.S. average electricity rate, or $13.07 a month. Compared with the median certified electric water heater, it uses 29% less electricity — rank 62 out of 510. The same unit costs $112 a year in Nevada but $451 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 47.9" H × 18.3" W

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

$157/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$13.07
Per day
43¢
Certified use
855 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
47 gal
First-hour rating
69 gal
UEF
3.75
681 kWh1,741 kWh
Where the Perfect aire 1PAWH50G (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

Perfect aire 1PAWH50G: 855 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$140
Alaska28.2¢$241
Arizona15.2¢$130
Arkansas14.1¢$121
California34.7¢$297
Colorado17.1¢$146
Connecticut24.3¢$208
Delaware19.3¢$165
District of Columbia24.4¢$209
Florida15.1¢$129
Georgia16.4¢$140
Hawaiipriciest52.7¢$451
Idaho14.4¢$123
Illinois19.9¢$170
Indiana17.5¢$150
Iowa15.9¢$136
Kansas15.7¢$134
Kentucky14.3¢$122
Louisiana13.5¢$115
Maine29.6¢$253
Maryland21.8¢$187
Massachusetts29.6¢$253
Michigan23.0¢$197
Minnesota17.5¢$150
Mississippi14.9¢$127
Missouri16.2¢$139
Montana15.1¢$129
Nebraska13.3¢$113
Nevadacheapest13.1¢$112
New Hampshire27.0¢$231
New Jersey24.9¢$213
New Mexico15.1¢$129
New York29.5¢$252
North Carolina14.7¢$126
North Dakota14.1¢$121
Ohio19.2¢$164
Oklahoma14.3¢$123
Oregon16.3¢$140
Pennsylvania21.7¢$186
Rhode Island29.2¢$250
South Carolina15.6¢$133
South Dakota15.4¢$131
Tennessee14.1¢$120
Texas15.9¢$136
Utah13.4¢$114
Vermont24.4¢$209
Virginia17.2¢$147
Washington14.9¢$127
West Virginia15.4¢$132
Wisconsin19.6¢$167
Wyoming15.2¢$130

Certified models closest in efficiency

electric water heaters within reach of 855 kWh/yr
ModelkWh/yr$/yr (US avg)
1HVAC ACIQ-50G-HP-WH855$157
ACIQ ACIQ-50G-HP-WH855$157
Alsetria HPWH-50G855$157
Bosch TR7000T - 50US855$157
Custom Comfort CCOHPWH50A855$157
DIYCOOL ACIQ-50G-HP-WH855$157

Run your own numbers

Your rate, your numbers

Per day
43¢
Per month
$13.07
Per year
$157

855 kWh/yr × 18.3¢/kWh = $157/yr

Prefilled with this model's certified 855 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 Perfect aire 1PAWH50G use?
ENERGY STAR certifies the Perfect aire 1PAWH50G at 855 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 Perfect aire 1PAWH50G cost to run per month?
About $13.07 a month at the U.S. average residential rate (18.3¢/kWh) — 43¢ a day, or $157 a year. Your state's rate moves this up or down; see the table above.
Is the Perfect aire 1PAWH50G energy efficient?
It uses 29% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Perfect aire 1PAWH50G cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $112 a year in Nevada (13.1¢/kWh) and $451 in Hawaii (52.7¢/kWh).

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