The house exterior structure is combined with the best energy-saving technology to improve the insulation and airtightness of the house, so that the consumption of cooling and heating is minimized. Through the fresh air system, exhaust heat recovery system and renewable energy system, the house can provide positive energy and energy recovery and reuse, so as to achieve a comfortable environment inside the house, while minimizing or eliminating the dependence of the house on fossil energy, reducing or Houses that eliminate harmful gases and substances, also known as ultra-low-energy energy-saving houses.
