Quick Answer: Is Duct Sealing Worth It?

Is Aeroseal duct sealing worth it?

Aeroseal is not cost effective.

It is expensive, usually 3-4 times more expensive than sealing the ductwork by hand.

Aeroseal costs start from $2000 for each air conditioning unit.

Then if you have leaks which are larger than 5/8″ which Aeroseal will not be able to close up..

Should air ducts be sealed?

Efficient and well-designed duct systems distribute air properly throughout your home without leaking to keep all rooms at a comfortable temperature. … Regardless of where they are installed, ducts should be well sealed.

How much does it cost to seal air ducts?

Duct sealing costs between $1,500 and $2,500 on average per air conditioner. But keep in mind that there are a lot of different factors that will attribute to the final cost, including size of home, location and age of duct system, plus method of sealing you choose.

What is duct sealing?

Duct seal is for sealing the outside of your home around electrical wires and other tiny gaps. It is not made for use on your leaky ductwork. Depending on the size of your leak, you may need to combine your liquid mastic with another product such as fiberglass mesh tape.

How does duct sealing work?

Aeroseal Duct Sealing prevents air from escaping through duct work holes in residential and commercial buildings. Tiny beads of non-toxic vinyl acetate polymer particles collect in torn ducts with a maximum 5/8 of an inch hole. … Duct sealing is necessary for comfort and energy savings. Finding the leaks is not so easy…

How long does duct seal last?

The length of time a duct seal can last is important given that houses are said to be designed to last 30 years and flex duct systems are often rated at 15 year life. Ideally, duct seals should last at least as long as the rest of the duct system, but are often observed to fail in a few years (Walker et al. 1998).

How much does Aeroseal duct sealing cost?

In a typical home with typical ductwork, the Aeroseal process will cost around $2000.

How do I know if my air ducts need to be cleaned?

Have your air ducts cleaned if they are visibly contaminated with substantial mold growth, pests or vermin, or are clogged with substantial deposits of dust or debris.

Should ductwork be replaced after 20 years?

“If your ductwork is over 15 years old, you probably should replace it. Ductwork has a maximum lifespan of 20-25 years. By 15 years, however, it begins to deteriorate, significantly reducing your HVAC system’s efficiency, so replacement is the prudent option.”

How do you fix a leaky duct?

After you have cleaned the surface, simply place a strip of the aluminum foil tape over the leak or use your mastic sealant and a paint brush to seal it. Use the mastic sealant for leak areas that would be difficult to close with the foil tape. As a general rule, mastic sealant is more effective than any duct tape.