Can I replace ductwork myself?

Ductwork: Choose Your Installer Wisely It is possible to install HVAC ductwork yourself, but it will require research and willingness to pay attention to detail. Be sure to educate yourself on the intricacies of the work so that you can be sure that you do not inhibit the airflow.

Do HVAC ducts need to be sealed?

To prevent air leaks, duct sealing is necessary along the entire length of the ductwork system. Air leaks in your ductwork system can account for a significant loss of energy and money, especially larger systems in commercial buildings.

Can I use silicone to seal ductwork?

It’s not only easy—it’s cheap! Simply buy aluminum-colored silicone caulk and caulk every joint in rectangular ductwork (clean the joints first with a household spray cleaner and a rag to remove dust). Use the caulk to seal around the take-off boots to each branch run.

How long do AC ducts last?

about 10-15 years
Ducts are designed to last for about 10-15 years on average. They are made from a combination of materials such as fiberglass and plastic. At some point, these ducts will get damaged. The sooner you see signs of damage and do something about it, the better.

Is metal duct better than flex duct?

Flex ducts are better for existing trunk-and-branch heating and cooling systems. This is because they’re more versatile and flexible. Metal ducts are more rigid due to the nature of steel, making them ideal to build an entire HVAC system.

Are Aero seals worth it?

Aero-Seal is effective on sealing small gaps and holes. It is the best for concealed ducts. If you have access to your ducts, duct mastic and glass fabric tape is equally effective and less expensive as well.

Can I use foil tape inside duct?

When sealing the air duct, you can use a mastic sealant. If you prefer using tape, the aluminum foil tape can help you get the work done. However, as with most HVAC related systems, it’s always advisable to hire a professional when looking for more than just a simple seal with aluminum foil tape or mastic sealant.