Data through April 2026
Running cost · Refrigerators · ENERGY STAR certified
Zline RSM-W-36
Running around the clock, the Zline RSM-W-36 uses a certified 743 kWh per year — about $140 at the U.S. average rate, or $11.66 a month, the equivalent of a steady 85-watt draw. Even among certified models it's on the thirsty end: 32% more electricity than the median bottom-freezer refrigerator, ranked 1383 of 1458. The same unit costs $92 a year in North Dakota but $346 in Hawaii — electricity rates, not the appliance, make the difference.
Uses 10% less energy than the U.S. federal minimum
Dimensions 69.9" H × 35.8" W
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$140/yr
- Per month
- $11.66
- Per day
- 38¢
- Certified use
- 743 kWh/yr
- Configuration
- Bottom Freezer
- Total capacity
- 28.9 cu ft
- Defrost
- Automatic
- Ice maker
- Yes
- Through-door dispenser
- Yes
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $129 | |
| Alaska | 27.4¢ | $203 | |
| Arizona | 15.5¢ | $115 | |
| Arkansas | 14.2¢ | $105 | |
| California | 35.3¢ | $262 | |
| Colorado | 16.5¢ | $123 | |
| Connecticut | 32.2¢ | $240 | |
| Delaware | 18.8¢ | $140 | |
| District of Columbia | 25.4¢ | $189 | |
| Florida | 15.4¢ | $114 | |
| Georgia | 15.4¢ | $114 | |
| Hawaiipriciest | 46.6¢ | $346 | |
| Idaho | 12.7¢ | $94 | |
| Illinois | 20.5¢ | $152 | |
| Indiana | 17.9¢ | $133 | |
| Iowa | 13.9¢ | $103 | |
| Kansas | 15.8¢ | $117 | |
| Kentucky | 15.0¢ | $112 | |
| Louisiana | 14.4¢ | $107 | |
| Maine | 28.4¢ | $211 | |
| Maryland | 22.1¢ | $164 | |
| Massachusetts | 29.4¢ | $219 | |
| Michigan | 21.4¢ | $159 | |
| Minnesota | 16.4¢ | $122 | |
| Mississippi | 16.8¢ | $125 | |
| Missouri | 14.0¢ | $104 | |
| Montana | 13.9¢ | $103 | |
| Nebraska | 13.3¢ | $99 | |
| Nevada | 14.3¢ | $106 | |
| New Hampshire | 27.2¢ | $202 | |
| New Jersey | 23.5¢ | $175 | |
| New Mexico | 15.2¢ | $113 | |
| New York | 29.4¢ | $219 | |
| North Carolina | 16.3¢ | $121 | |
| North Dakotacheapest | 12.3¢ | $92 | |
| Ohio | 19.5¢ | $145 | |
| Oklahoma | 13.3¢ | $99 | |
| Oregon | 15.8¢ | $117 | |
| Pennsylvania | 21.5¢ | $160 | |
| Rhode Island | 28.3¢ | $210 | |
| South Carolina | 17.1¢ | $127 | |
| South Dakota | 14.5¢ | $108 | |
| Tennessee | 14.9¢ | $111 | |
| Texas | 17.0¢ | $126 | |
| Utah | 13.3¢ | $99 | |
| Vermont | 24.6¢ | $182 | |
| Virginia | 17.4¢ | $129 | |
| Washington | 14.4¢ | $107 | |
| West Virginia | 16.1¢ | $119 | |
| Wisconsin | 19.2¢ | $143 | |
| Wyoming | 14.7¢ | $109 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Kenmore 405.7562#42 | 743 | $140 |
| Kenmore 405.75625421 | 743 | $140 |
| Kenmore 46-75625 | 743 | $140 |
| KUCHT KR900X | 743 | $140 |
| Midea MRF29D9 | 743 | $140 |
| Sharp SJF2955KS | 743 | $140 |
Run your own numbers
Your rate, your numbers
- Per day
- 38¢
- Per month
- $11.66
- Per year
- $140
743 kWh/yr × 18.8¢/kWh = $140/yr
Prefilled with this model's certified 743 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.
Certified variants covered by this entry
RSM-W-36 · RSM-W-36-**
Questions, answered with the data
- How much electricity does the Zline RSM-W-36 use?
- ENERGY STAR certifies the Zline RSM-W-36 at 743 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.
- How much does the Zline RSM-W-36 cost to run per month?
- About $11.66 a month at the U.S. average residential rate (18.8¢/kWh) — 38¢ a day, or $140 a year. Your state's rate moves this up or down; see the table above.
- Is the Zline RSM-W-36 energy efficient?
- It uses 32% more electricity than the median certified bottom-freezer refrigerator, which puts it among the least efficient certified models.
- What does the Zline RSM-W-36 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $92 a year in North Dakota (12.3¢/kWh) and $346 in Hawaii (46.6¢/kWh).
- How many watts does the Zline RSM-W-36 draw on average?
- Spread over a year of continuous operation, 743 kWh works out to an average draw of about 85 watts — like leaving a 85-watt bulb on 24/7.
- Does this figure cover other model numbers?
- Yes — 2 certified retail variants (color, finish, and store-specific SKUs) share this exact energy certification. They're listed under "Certified variants" on this page.