Mitsubishi MR- HS421EXSS-A Fridge Freezer

The Mitsubishi MR-HS421EX-SS-A fridge freezer is a premium bottom-mount refrigerator designed for medium-sized households looking for a blend of high-end features and long-term reliability. Priced at $2,349.00, this model stands out in the 381–450L size category with a total capacity of 421L. This volume is split between a 263L fridge and a 114L freezer, providing a balanced layout for fresh and frozen goods.

Performance Testing and Reliability

To ensure the unit meets modern standards, it was subjected to extensive expert testing in 2025. These evaluations go beyond basic cooling, measuring specific metrics such as temperature stability, temperature evenness, and the unit's response to outside temperature fluctuations. These tests are critical for determining if the fridge can maintain a consistent internal climate even during a hot summer.

Furthermore, experts analyzed the "keep food fresh longer" score and heat load processing, which measures how quickly the appliance can cool down a large amount of room-temperature groceries. To help homeowners understand the total cost of ownership, the tests also included a 10-year running cost calculation and a measurement of the noise level (dBA) to ensure it operates quietly in open-plan living spaces.

Specifications and Installation

Manufactured in Thailand, this model is backed by a generous 5-year warranty, offering significantly more protection than many competitors. It is also highly efficient, carrying a 4-star energy rating with a claimed annual energy consumption of 345 kWh.

When planning your kitchen layout, it is important to note the space requirements. The physical dimensions are 172cm (H) x 70cm (W) x 72cm (D). However, the sources recommend a larger installation footprint of 177cm (H) x 80cm (W) x 77cm (D) to ensure the unit has proper ventilation and the right-hinged door can open freely.

Key Features for Everyday Use

The Mitsubishi MR-HS421EX-SS-A is equipped with several features aimed at food preservation and convenience:

• Organized Storage: The interior includes one crisper, a dedicated chiller, and a dairy compartment.

• Safety and Efficiency: To prevent cold air from escaping, the unit features self-closing doors and a door alarm that alerts you if the seal is broken.

• Ease of Movement: Despite its sturdy build, the unit is fitted with rollers, making it easier to slide out for cleaning the floor behind it.

While the unit holds a Shop Ethical Rating of 'F', its high energy star rating and extensive warranty make it a strong contender for those prioritizing operational performance and longevity.

Think of the Mitsubishi MR-HS421EX-SS-A as a high-performance marathon runner; it is built to maintain a perfectly steady pace (or temperature) over the long haul, using its energy with maximum efficiency to ensure it never falters.

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