How much does it cost to seal air ducts?

between $1,500 and $4,000
Professional Air Duct Sealing Costs Professional air duct sealing usually costs between $1,500 and $4,000. Luckily, this upfront cost will usually pay for itself very quickly in the form of energy savings.

Is it worth it to seal ductwork?

The importance of HVAC duct sealing can’t be overstated. Having your HVAC duct-work tested and properly sealed is one of the home improvements with the highest payback. Duct sealing can lower your heating and cooling costs by 15%, 20% or more.

Is Aeroseal duct sealing 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. Remember, Air Conditioning begins with AIR.

Can I seal my own ductwork?

Some homeowners choose to take on duct sealing as a do-it-yourself project. Start by sealing air leaks using mastic sealant or metal tape and insulating all the ducts that you can access (such as those in attics, crawlspaces, unfinished basements, and garages). Never use duct tape, as it is not long-lasting.

How can I tell if my air ducts are leaking?

How Can I Tell if My Air Ducts Are Leaking?

• Unexplained Higher Energy Bills.
• Uneven Heating and/or Cooling Throughout Your Home.
• Difficulty Heating Rooms in Winter and Cooling them in Summer.
• Excessive Amount of Dust in Your Home.
• Duct Visual Indications––Rusted, Crushed, Kinked, Old Tape at Seals.

Does Aeroseal save money?

Because Aeroseal technology decreases energy waste by up to 30%, you can rest easy knowing your home is operating efficiently, saving you money on utility bills, and decreasing your impact on the environment.

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 long does Aeroseal last?

+ How long does Aeroseal last? Aeroseal is guaranteed for 10 years and stress tested for 40 years in residential applications.

How long does duct coating last?

Can You Use Flex Seal on ductwork?

Flex Seal can be used for ductwork, interior HVAC walls, wood, concrete, metal, etc.

Is Aeroseal permanent?

Not only that, but it fills leaks in your ductwork with an aerosol filler that is sprayed in, much like insulation. But it’s also much more permanent. Aeroseal is guaranteed to work for 10 years. But more than that, stress tests show it will last as long as 40 years.

How do I know if my air ducts are leaking?

Turn your HVAC system on and return to the areas where ductwork is accessible. Check the connections between each section of duct, placing your hand over the metal. If you feel air against your hand, the connection is loose and there is an air leak. A common place for leaks is the duct joints.

Is Aeroseal toxic?

A: The aeroseal sealant itself consists of a vinyl acetate polymer. Its ingredients are those commonly found in hairspray and chewing gum. In other words, yes, it is very safe. It’s nontoxic (As certified by the Occupational Safety and Health Administration) and it is UL approved.

How do you know if your air ducts are leaking?

What is the best way to seal ductwork?

Water-based mastic duct sealant is the best option because it cleans up easier and will hold up for a long time. When using mastic duct sealant on your own, you can apply it with a simple paintbrush. You may also use a caulk gun to apply the duct mastic, though it’s not necessary.