For some homeowners, taking on duct sealing as a DIY project is a great way to save money. To start, you can seal any air leaks with putty or metal tape and insulate any ducts that are accessible, such as those in attics, mezzanines, unfinished basements, and garages. Never use adhesive tape, as it is not durable. Sealing ducts from the inside out is a much more complicated process and will likely require hiring a professional. Essentially, what they will do is spray the inside of the duct with a liquid rubber sealant.
In a duct system, the main line is usually made of metal or fiberglass rather than flexible ducts. Most homeowners don't think about sealing their home's air ducts, but it is essential for maintaining energy efficiency. If there is a gap on the side of one of these pipes, repairing it can be as simple as applying adhesive tape to seal the hole. For today's do-it-yourselfer, these are the basics of duct sealing and gap correction techniques for most modern systems. They will then pressurize the duct system with a fan and use a computer to analyze the data and determine how much air escapes through the ducts.
In the smallest gaps in the main duct pipe, basic self-made caulking or adhesive tape applications can provide great resealing capacity. Once you have sealed all of your air leaks and insulated your accessible ducts, you should be able to enjoy improved air quality and temperature balance in your home. It's important to note that if you are not confident in your ability to complete this project yourself, it's best to hire a professional to ensure that your HVAC system is properly sealed and functioning optimally. Sealing your HVAC ducts is an important part of maintaining energy efficiency in your home. Whether you choose to take on this project yourself or hire a professional, it's essential that you make sure all of your air leaks are sealed and any accessible ducts are insulated. Doing so will help you balance the air temperature in your home and improve air quality.
