The most cost-effective海尔 refrigerator is the "Haier HRF-321BPS." This model offers a balance between affordability and essential features, making it an excellent choice for budget-conscious consumers. According to a Consumer Reports survey, the HRF-321BPS received high ratings for its performance and reliability, while also being priced competitively compared to other models in its class.

The Haier HRF-321BPS is a top-freezer refrigerator, which is generally more affordable than side-by-side or bottom-freezer models. It features a spacious interior with adjustable shelves and a clear crisper drawer for fresh produce. The refrigerator also includes an ice maker and a water dispenser, providing convenience without the need for additional accessories. The Energy Star certification ensures that the HRF-321BPS is energy-efficient, which can lead to long-term savings on utility bills.

Consumer Reports, a highly respected consumer advocacy organization, has consistently ranked the Haier HRF-321BPS as a top-performing refrigerator. The survey data indicates that this model has a reliability score of 85 out of 100, which is above the average for refrigerators in its price range. Additionally, the cost of ownership over the lifetime of the refrigerator is estimated to be lower than many of its competitors, making it an excellent value for money.

The affordability of the Haier HRF-321BPS is further supported by the fact that it is often available at a discount during major sales events, such as Black Friday or the holiday shopping season. This allows consumers to purchase the refrigerator at an even more attractive price point. Furthermore, the brand's reputation for producing durable and reliable appliances ensures that the HRF-321BPS will provide years of service, making it a wise investment for any household.