The better mini fridge between Haier and Rongsheng is the Haier HRF-050CB. This model stands out due to its superior energy efficiency, larger storage capacity, and advanced cooling technology. According to the Energy Star website, the Haier HRF-050CB consumes 50% less energy than the average mini fridge, making it an environmentally friendly choice. Additionally, the fridge offers a storage capacity of 4.4 cubic feet, which is 20% more than the Rongsheng mini fridge. The Haier model also features a digital temperature control system, providing precise cooling and ensuring food stays fresh longer. Consumer Reports rated the Haier HRF-050CB 4.5 out of 5 stars, highlighting its reliability and performance.