Model
Midea MRM45B2ASL
Rank #464 means 463 of the 1,000 refrigerator models we track cost less to run each year; the 16th efficiency percentile means it uses less energy for its size than 16% of those models.
What does the Midea MRM45B2ASL cost to run per year?
At $61 a year to run, the Midea MRM45B2ASL sits close to the middle of its class on cost, ranking #464 of 1,000 refrigerator models we track. It uses 11% less energy than the U.S. federal standard model in its class, which would cost about $68/yr to run, a saving of roughly $7 a year. Once capacity is factored in, its efficiency percentile of 16 is among the lowest in its class. At 4.5 cu ft, it is a small refrigerator for the class, which runs 1.2 to 31.7 cu ft; size and efficiency are the two levers behind the figure above, and this dataset does not carry a separate efficiency-factor column for this class.
Immediately around it on the leaderboard, the Magic Chef HVDR430SE at $61/yr runs a little cheaper and the Midea MRM45D5BST at $61/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A refrigerator typically stays in service for somewhere around 12 years; over that span, the Midea MRM45B2ASL's $61/yr adds up to roughly $732 in electricity alone, before purchase price or repairs.
Also sold as: Arctic King ARM45D5ASL.
By the numbers
The Midea MRM45B2ASL normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $61/yr, here is what the Midea MRM45B2ASL adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Midea MRM45B2ASL costs about $610. That is roughly $70 less than a standard model in its class, which would run closer to $680 over the same ten years.
How the Midea MRM45B2ASL compares
The refrigerator class we track runs from $8 to $149 a year. At $61/yr, it runs about $3 a year cheaper than the class median of $64, and it is about $53 a year more than the cheapest refrigerator to run at $8. Against the US federal standard model for its class at about $68/yr, the Midea MRM45B2ASL uses 11% less energy.
What drives its running cost
At 4.5 cu ft, the Midea MRM45B2ASL is a small refrigerator for its class, which spans 1.2 to 31.7 cu ft with a median of 12.6 cu ft, less capacity to service is usually the first reason a running-cost figure lands on the low side, before efficiency even enters the picture.
- Interior volume. Cubic feet of interior volume is the first thing that scales a fridge's running cost up or down, before compressor quality even enters the picture.
- Counter depth vs standard depth. Counter-depth models sit flush with cabinets but usually hold less interior volume than a standard-depth model of the same width, which can nudge the per-cubic-foot running cost either way.
- Compressor technology. Newer variable-speed (inverter) compressors modulate output instead of cycling fully on and off, which tends to use less energy for the same cooling job than an older fixed-speed compressor.
- Placement and ventilation. A fridge pushed tight against a wall or cabinet, or standing next to an oven or in direct sun, works harder to shed the heat its compressor produces, which can push real-world cost above the published figure.
Common questions
Is the Midea MRM45B2ASL cheap to run?
It is about average. At $61 a year it ranks #464 of 1,000 refrigerator models we track, close to the middle of its class on running cost.
How much does the Midea MRM45B2ASL cost per month?
Roughly $5.09/mo, spreading the $61/yr estimate evenly across twelve months at $0.1856/kWh. Actual monthly bills swing with your rate and usage pattern.
How is this running-cost figure calculated?
We take the model's published annual energy use of 329 kWh from ENERGY STAR and multiply it by the US average residential electricity rate of $0.1856/kWh, giving about $61 a year. It is an electricity-only estimate and does not include purchase price, water, or installation.
How efficient is the Midea MRM45B2ASL for its size?
16th percentile once size is factored in, a fairly typical result for the class.
Cheaper to run in the same class
| Rank | Model | Cost/yr |
|---|---|---|
| 466 | Magic Chef HVDR430SE4.3 cu ft | $61 |
| 465 | Frigidaire FRPE4536AV4.5 cu ft | $61 |
| 464 | Arctic King ARM45D5ASL4.5 cu ft | $61 |
| 463 | Marathon MCR47W4.7 cu ft | $61 |
| 462 | Vissani HVDR45PSF4.5 cu ft | $61 |
Source
ES_1030337_MRM45B2ASL_01222026143714_80286518View certified refrigerator listingsENERGY STAR data as of July 2026Midea and MRM45B2ASL are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.