管密封

In houses with forced-air heating and cooling systems, ducts are used to distribute conditioned air throughout the house. 在一个典型的房子里, 然而, about 20 percent of the air that moves through the duct system is lost due to leaks, 孔, 和连接不良的管道. The result is higher utility bills and difficulty keeping the house comfortable, 不管恒温器是怎么设置的.

How do you know that your home has poorly performing ducts?

you have high summer and winter utility bills;
you have rooms that are difficult to heat and cool;
you have stuffy rooms that never seem to feel comfortable;
your ducts are located in an attic, crawlspace, or the garage;
you find tangled or kinked flexible ducts in your system.

管道密封的好处

A duct system that is well-designed and properly sealed can make your home more comfortable, 节能, 和安全.

安慰

Sealing and insulating ducts can help with common comfort problems, such as rooms that are too hot in the summer or too cold in the winter.

室内空气质量

Fumes from household and garden chemicals, 绝缘颗粒, 灰尘会进入风管系统, aggravating asthma and allergy problems. Sealing ducts can help improve indoor air quality by reducing the risk of pollutants entering ducts and circulating through your home.

安全

在正常操作期间, 煤气用具，如热水器, 衣服烘干机, and furnaces release combustion gases (like carbon monoxide) through their ventilation systems. Leaky ductwork in your heating and cooling system may cause "backdrafting" where these gases are drawn back into the living space, 而不是被驱逐到户外. 密封泄漏可以将这种风险降到最低.

省钱

Leaky ducts can reduce heating and cooling system efficiency by as much as 20 percent. Sealing and insulating ducts increases efficiency, 降低你的能源费用, and can often pay for itself in energy savings. +, if you're planning to install new heating and cooling equipment, a well-designed and sealed duct system may allow you to downsize to a smaller, less costly heating and cooling system that will provide better dehumidification.

保护环境

Energy used in our homes often comes from the burning of fossil fuels at power plants, 这导致了雾霾, 酸雨, 和全球变暖. Simply put, the less energy we use in our homes, the less air pollution we generate. By sealing your ducts and reducing the amount of energy necessary to comfortably heat or cool your home, you can reduce the amount of air pollution generated.

Simple Steps to Improving Duct Performance

Because ducts are often concealed in 墙, 天花板, 阁楼, 和地下室, 修复它们可能很困难. But there are things that you can do to improve duct performance in your house.

Some homeowners choose to take on duct sealing as a do-it-yourself project. Start by sealing air leaks using mastic sealant or metal tape and insulating all the ducts that you can access (such as those in 阁楼, 狭小空隙, 未完成的地下室, 和车库). Never use duct tape, as it is not long-lasting. 也, make sure that the connections at vents and registers are well-sealed where they meet the floors, 墙, 和天花板. These are common locations to find leaks and disconnected ductwork.

Many homeowners choose to work with a professional contractor for duct improvement projects. Most heating and cooling equipment contractors also repair ductwork.

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