Facilities that keep a house's environment healthy include ventilation systems, temperature control through insulation, and food safety practices.
The question 'Which facilities in the house keep its environment healthy?' pertains to the features and practices within a home that contribute to the health and wellbeing of its occupants.
To ensure a healthy home environment, several key elements need to be in place, including proper ventilation, which can be facilitated through windows and efficient HVAC (Heating, Ventilation, and Air Conditioning) systems, ensuring good indoor air quality (IAQ).
In addition to ventilation, consistent temperature control is critical, achieved through insulation and proper design of windows, walls, ceilings, and floors, which contribute to maintaining a comfortable living environment that doesn't contribute to health issues.
Finally, good food safety practices at home prevent foodborne diseases and are essential for a healthy household. These practices include proper food storage, preparation, and cooking methods, ensuring that inhabitants are protected from potential illness caused by contaminated food.