Building airtightness, also known as air leakage or air permeability, is a crucial factor in the energy efficiency of buildings. It refers to the resistance of the building envelope to inward or outward air leakage. Excessive air leakage leads to energy loss, resulting in higher heating and cooling bills.
The Impact of Building Airtightness on Energy Efficiency
Air leakage can account for up to 40% of the heat loss from a building. It can occur through gaps and cracks in the building envelope, including doors, windows, and other openings. By improving the airtightness of a building, we can significantly reduce this energy loss.
Benefits of Building Airtightness
How to Improve Building Airtightness
Improving building airtightness involves identifying and sealing air leaks. This can be achieved through various methods such as:
Building airtightness is a key factor in reducing heating and cooling bills and improving energy efficiency. By understanding and improving the airtightness of our buildings, we can enjoy more comfortable homes, healthier living environments, and significant energy savings.
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