The “healthy residence†defined by the World Health Organization has the following criteria:
1. The concentration of chemicals that cause allergies is very low;
2. In order to meet the requirements of the first point, do not use plywood or wall decoration materials with loose chemical substances as much as possible;
3. Install ventilation equipment with good ventilation performance, which can discharge indoor pollutants to the outside, especially
For high air tightness and high heat insulation, a central ventilation system with a duct must be used for timed ventilation;
4. Install local exhaust equipment in the kitchen stove or smoking place;
5. The bedroom, kitchen, toilet, hallway, bathroom, etc. should be kept between 17 °C and 27 °C throughout the year;
6. The indoor humidity is maintained between 40% and 70% throughout the year;
7. Carbon dioxide should be lower than 1000PPM;
8. The concentration of suspended dust should be less than 0.15mg/m2;
9. The noise should be less than 50 decibels;
10. One day's sunshine is guaranteed to be more than 3 hours;
11. Install lighting equipment of sufficient brightness;
12. The home has sufficient capacity to resist natural disasters;
13. Have sufficient per capita floor space and ensure privacy;
14. Housing should be easy to care for the elderly and disabled;
15. Due to the presence of harmful volatile organic compounds in the building materials, all dwellings must be completed after a period of time, during which time ventilation is required.
Triangle Pet Bandana,Printed Neckwear,Fleece Bandana,Printed Cotton Triangle Scarf
Zhenjiang Kimtex Industrial Inc. , http://www.bettyluoriaccessories.com