As we enter October, winter has arrived for European countries located at the higher latitudes of the northern hemisphere.

Electricity bills have doubled; electric blankets and hot water bags have been snapped up; we have to wait for hours in the petrol queue and have to squeeze into overcrowded subways to travel; in order to cope with the possibility of heating cuts at any time, we have to stock up on firewood for heating, but the price of firewood has also gone up ...... This is a snapshot of the life of European residents under the energy crisis.

The price of energy has continued to soar, leaving Europe's residents feeling the "pain" of a harsh winter. After the "hottest summer", they are likely to face a "most expensive winter".

HVAC system optimisation can be the perfect solution to these problems. It not only helps to provide a comfortable environment for indoor occupants, but also reduces costs and mitigates adverse environmental effects.

The design of HVAC systems applies to thermodynamics, fluid mechanics and fluid mechanics and is an important sub-discipline in the field of mechanical engineering.

HVAC comprises three areas of technology: heating, ventilation and air conditioning.

Heating: also known as heating, means providing heat to a building to maintain a certain temperature inside.

Ventilation: the process of moving air into and out of a space by natural or mechanical means.

Air conditioning: air conditioning for short, is a technique for making the air temperature, relative humidity, cleanliness and air velocity in a room or confined space meet certain requirements by artificial means in order to meet production and living requirements and to improve working and sanitary conditions.

The energy consumption generated by air conditioning systems varies according to the thermal and humid environment. In the winter period, when conventional air conditioning is chosen to raise the room temperature, the heat and humidity exchange takes place through the air in the human body and the environment and the required air humidity is high. In this case, the heat loss of the heated fresh air and the heat loss of the maintenance structure are relatively large; if the results of the application of the new heat and humidity environment can be applied to optimise the choice of air conditioning operation methods and improve the radiation heat, the air humidity can be significantly reduced, generally to 12°C to 24°C, while the traditional air conditioning operation methods need to be at 18°C to 20°C. Clearly the energy savings of the HVAC operation method are more objective.

By the same token, the HVAC operation method is more applicable when using an air conditioning system in summer. By applying this healthy, comfortable and energy-efficient new air conditioning operation method, it is possible to meet a high level of living requirements while also achieving energy-saving and emission reduction targets, in line with the development of a low-carbon economy.

Shanghai SMLG Thermostatic Technology Co, Ltd is a technology company focusing on HVAC smart home. Through more than 10 years of efforts, the company has both HVAC control technology and electronic control technology has become the most distinctive feature of SMLG. The rich industry experience has helped SMLG transform from a component provider to a major global OEM and ODM service system solution provider.