WattCost

Data through June 2026

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

DIYCOOL ACIQ-50G-HP-WH

Heating a typical household's hot water, the DIYCOOL ACIQ-50G-HP-WH is certified at 855 kWh a year — about $157 at the U.S. average electricity rate, or $13.07 a month. That puts it in the most efficient tenth of every certified electric water heater — 29% less electricity than the median, ranked 51 of 510. Where you live moves the bill from $112 a year in Nevada to $451 in Hawaii.

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 DIYCOOL ACIQ-50G-HP-WH (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

DIYCOOL ACIQ-50G-HP-WH: 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
ECO-AIR HPWH-50G855$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 DIYCOOL ACIQ-50G-HP-WH use?
ENERGY STAR certifies the DIYCOOL ACIQ-50G-HP-WH 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 DIYCOOL ACIQ-50G-HP-WH 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 DIYCOOL ACIQ-50G-HP-WH energy efficient?
It uses 29% less electricity than the median certified electric water heater, placing it in the top 10% of certified models.
What does the DIYCOOL ACIQ-50G-HP-WH 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).

Keep digging