There is no difference between a Royalstar refrigerator and a refrigerator branded under the American brand Royalstar.

In short, both are the same refrigerator, but with an American logo attached after the acquisition of Royalstar from the United States.

Roystar is a well-known home appliance brand in China. Its leading products include washing machines and refrigerators, as well as a variety of products such as small household appliances, solar water heaters, kitchen and bathroom appliances, electric vehicles and smartphones.

In May 2004, the United States and the United States transferred their 50.5% equity in the Royalstar Sino-US joint venture to the American Group, and the American Group became Royalstar's new partner;

In 2005 , Midea acquired 24.5% of the equity of Royalstar's Sino-US joint venture, and China retained 25% of the equity;

In 2008, Midea Group acquired all the shares of Royalstar's Sino-US joint venture in China, becoming Midea's full Capital subsidiary;

In 2008, Royalstar Group signed a five-year trademark license contract with Midea, authorizing Midea to use the "Royalstar" trademark on refrigerators and washing machines;

The reason why Royalstar air conditioner fails to heat:

First of all, after improper use for a long time, the air conditioner does not clean the filter in time, and the internal air circulation is blocked, which will cause It affects the heating effect of air conditioner to a certain extent.

The dust on the evaporator and condenser is too thick, which will also reduce the heat exchange effect, resulting in reduced heating capacity and increased power consumption; the heating temperature is set too low.

The door cracks and wall holes in the air-conditioned room are not blocked, or the windows are often opened, resulting in heat loss in the room, etc. This will inadvertently lead to insufficient heating of the air conditioner.

The second is environmental factors

Hot and cold air conditioners are divided into heat pump type, heat pump auxiliary electric heating type and electric heating type. When the heating capabilities are equal, the power consumption of the first two types is higher than that of the second type. The three are about half smaller. Considering the power supply capacity and power consumption cost, current households usually choose the first two types of air conditioners (but attention should be paid to their use conditions. The first two are only suitable for environments above -5°C, which are obviously not suitable for Applicable to northern areas).

In a heat pump air conditioner, if the ambient temperature is too low during the heating process, the energy efficiency ratio of the air conditioner will also be reduced. The heating effect in cold winter is not ideal, which is a normal phenomenon.

For heat pump air conditioners without automatic defrost, the lowest ambient temperature used is minus 5°C. Below this temperature, there is no heat or poor efficiency due to frost blocking the air on the external heat exchanger. The flow can no longer absorb heat from the outside; for heat pump air conditioners with automatic defrost function, the lowest ambient temperature used is also -5°C, below which effective heating cannot be achieved.

Baidu Encyclopedia Royalstar