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Ductwork is responsible for getting the cold air from your central air conditioner to the areas of your home where its needed. If your ducts aren’t properly sealed, your air conditioner will have to work harder to supply extra cooling to make up for the air that is lost through leaks.

Ductwork often is located in areas that are inaccessible to the average homeowner, so if you think your air conditioner is suffering from inefficient performance due to air leaks, you’ll want to work with a contractor to find and seal air ducts. Your contractor can perform tests to measure how much leakage is present and can locate leaks throughout the whole system. Any found leaks can be sealed with mastic, metal-backed tape or other appropriate sealant. They can also check your ductwork for other problems, such as inadequate insulation and unbalanced supply and return flow.

In addition to improving your home’s energy efficiency, duct sealing can offer the following benefits:

  • Improved air quality. Leaky ductwork increases the chances that airborne particles will find their way into your home’s air. Many of these particles, such as dust, insulation particles, and fumes from cleaning supplies or other household chemicals, can degrade your home’s air quality and cause or worsen breathing ailments.
  • Increased comfort. Since leaks let cool air escape into areas it wasn’t designed to, poor duct sealing can also contribute to some areas tending to be hotter or colder than others.
  • A safer home. Carbon monoxide is dangerous to humans if present in high enough concentrations, and duct leakage can increase the chance that combustion appliances, such as water heaters and furnaces, will backdraft carbon monoxide into the home instead of expelling the fumes through the ventilation system.
  • Better for the environment. If your home gets its energy from a power plant that burns fossil fuels, improving your energy efficiency results in decreased emissions of greenhouse gases and helps curb global warming.

If you’re looking for a quality contractor to seal air ducts in Martin, Palm Beach, St. Lucie or Indian River counties, please contact us at NisAir Air Conditioning and Heating.

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