To prevent air leaks, it is necessary to seal the ducts along the entire length of the duct system. Air leaks in the ductwork system can cause significant loss of energy and money, especially in larger commercial building systems. In general, the best way to seal ducts is to hire a professional to internally seal the entire duct system. However, if your ductwork is accessible and you like projects for homeowners, we recommend that you buy putty, clean the outside of the air ducts and apply putty.Putty duct sealant is a proven method that has been used to seal air ducts. It is a thick, pasty substance that can be applied to voids and leaks in ducts with a caulking gun and a brush.
The self-made air duct sealing technique saves money, but it can be difficult for beginners, especially if they want to access hard-to-reach areas or when there are leaks hidden behind drywall. Start by sealing air leaks with putty or metal tape and insulate any ducts you can access (such as those in attics, mezzanines, unfinished basements and garages).Duct putty: Widely regarded as the best solution for duct sealing by many industry professionals, duct putty is a sticky material that does not harden, is non-toxic and is flame resistant. A typical home loses 20 to 30% of the air that passes through the duct system due to leaks, holes, and poor connections. Butyl adhesive tape and oriented polypropylene (OPP) tape are good options because they can create a surprisingly good seal around duct joints and offer a high level of durability.
It will not be long before the adhesive tape comes off or, worse, enters the air ducts, and the condensation caused by temperature fluctuations will weaken the tape and make Let it break. When you call Schmidt Mechanical to inspect your air conditioning system, one of the things they will inspect will be your air ducts. Some people argue that the air that comes out of the duct is still in their home, so energy isn't really lost. Duct leaks allow contaminated air to enter the system, increasing the amount of contaminants inside the house, such as dust, dirt and other particles that decrease air quality.
In homes with forced-air heating and cooling systems, ducts are used to distribute air conditioning throughout the house. Air ducts work by providing convenient ways for air conditioning in your HVAC equipment to flow to desired rooms. This means that it would take you 3 to 4 years to pay the additional cost of hiring a company like Aeroseal to seal the air ducts. However, in a typical home, 20 to 30 percent of the air that passes through the duct system is lost due to leaks, holes, and poorly connected ducts.
If you've done all the repairs, but the ducts are still leaking, call Schmidt Mechanical to help you seal the ducts so your home stays comfortable for all year round.
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