As an expert in the field of HVAC systems, I have seen firsthand the impact that properly sealed air ducts can have on a home's energy efficiency and air quality. The ductwork in a home plays a crucial role in distributing heat and air conditioning to different rooms, making it essential to ensure that it is properly sealed to prevent air leaks. When it comes to sealing air ducts, it's important to use high-quality materials and techniques. Adhesive tape should never be used as it does not hold up well in the long term. Instead, opt for a putty sealer or metal tape that will provide a more durable seal.
For round ducts, it's best to use aluminum tape rather than regular tape, which is not approved for sealing ducts and will not hold up well over time. One highly effective method for sealing air ducts is through the use of Aeroseal sealant. This process involves pressurizing the duct system with a fan and using a computer to analyze data and determine how much air is leaking through the ducts. The sealant is then applied to properly seal any leaks, ensuring that no outside air or dust enters the pipes and spreads throughout the house. Properly sealed air ducts not only improve energy efficiency but also have a positive impact on indoor air quality. Your air conditioner does more than just produce cold air - it also helps to control the temperature and air quality in your home.
When hot or cold air escapes through unsealed ducts, the heating or air conditioning system has to work harder and consume more fuel to reach the desired temperature on the thermostat. Sealing air ducts is especially important for those with allergies or asthma. Leaky ducts can allow contaminated air to enter the system, which can decrease the overall air quality in the home by introducing dust, dirt, and other particles. By properly sealing ducts, these allergens and irritants can be kept out of the home, reducing symptoms and improving overall health. While sealing air ducts may not be at the top of most homeowners' to-do lists, it is an essential step in any home improvement project. Not only can it increase the efficiency of HVAC systems, but it can also save money on energy bills in the long run.
It's important to use high-quality materials, such as UL181 high temperature aluminum tape, to seal any joints in round ducts. However, for those who are not experienced in HVAC systems, sealing air ducts can be a challenging task. This is especially true when trying to access hard-to-reach areas or when there are hidden leaks behind drywall. In these cases, it may be best to seek professional help to ensure that all leaks are properly sealed.