MRU21C7B** (Midea, ENERGY STAR Certified) uses 502 kWh per year, an estimated $85.34/yr to run, ranking 68th cheapest of 80 sampled freezers, 15% above the $73.95/yr median of the 80 sampled models.
Certification: ENERGY STAR Certified
MRU21C7B**
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| Cost rank in category | 68th of 80 |
| Cost percentile | bottom 84% |
| Vs category median | 15% above ($73.95/yr) |
| Rank within same status | 68th of 80 (Median $73.95/yr) |
| Rank within similar capacity | 26th of 34 · capacity total volume ft3 16~24 (Median $83.81/yr) |
| Category low to high | $33.32/yr ~ $107.44/yr |
| Spec | Value |
|---|---|
| type | Upright Freezer |
| product class | 9 - Upright freezers with automatic defrost without an automatic ice maker |
| defrost type | Automatic |
| compact | No |
| built in | No |
| thru the door dispenser | No |
| ice maker | No |
| capacity total volume ft3 | 20.0 |
| adjusted volume ft3 | 35.2 |
| annual energy use kwh yr | 502 |
| us federal standard kwh yr | 532 |
| percent less energy use than us federal standard | 6 |
| refrigerant type | R-600a |
| refrigerant with gwp | R-600a (GWP:3 | Lower GWP) |
| connected functionality | No |
| date available on market | 2026-06-26 |
| Model | Certification | Est. energy cost |
|---|---|---|
| S360FZ3IU | ENERGY STAR Certified | $107.44/yr |
| S360FZ6IU | ENERGY STAR Certified | $107.44/yr |
| CUF20P1W | ENERGY STAR Certified | $81.43/yr |
| EXUF20CEES | ENERGY STAR Certified | $81.43/yr |
| BUC2100JB | ENERGY STAR Certified | $83.81/yr |
The Midea MRU21C7B** is certified at 502 kWh per year, which works out to about $85.34/yr at the flat rate assumed on this site. Certified figures come from standardized test procedures, so your actual bill varies with usage and your local electricity rate.
Among the 80 freezers compared on this site, the Midea MRU21C7B** ranks 68th cheapest to run and sits in the bottom 84% of the cost range. That is 15% above the category median of $73.95/yr. The cheapest sampled model runs at $33.32/yr and the most expensive at $107.44/yr.
The Midea MRU21C7B** is listed as ENERGY STAR Certified. Among the 80 sampled freezers with that status the median running cost is $73.95/yr, and the Midea MRU21C7B** ranks 68th cheapest within that group. Certification status reflects efficiency relative to product class, not absolute energy use.
Using the certified capacity total volume ft3 value of 20.0, 34 sampled models fall within +/-20% (16 to 24), and the Midea MRU21C7B** ranks 26th cheapest among them. The median for that size band is $83.81/yr. Comparing within a size band is more meaningful than comparing certification labels.
Simple estimate, 30 days per month (assuming $0.17/kWh)