How Much Does Air Duct Sealing Cost?
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For houses that require heating and cooling systems, ducts can be used to distribute and circulate the air. Air may be lost in the vessel and this will mean reduced efficiency of the system; this, in return, leads to increased energy bills and the house will not be able to meet the expected comfort levels. An air duct sealing system is used to close any holes, leaks, or poorly linked ducts. A duct sealing system involves identifying inefficiency in your system and making necessary steps to improve it. You can do it by yourself or find an expert to do it for you. During the process, the system will seal or cover the ducts with a rubber or non-toxic material. Since rubber is a poor conductor of heat, it will neither lose nor gain heat to and from the environment.
How much is it?
- There are different processes and materials use in air duct sealing. An aerosol air duct sealing system, for example, will not cost you much. For example, the cost of labor per hour can be anywhere from $50 to $130 per hour, and installation may take an average of 8 hours, bringing the total cost of air duct sealing to $450 to $1,040. Since most jobs are going to be unique, consider getting multiple quotes from HomeAdvisor.com. However, this price can be lower if you were to take advantage of local tax credits.
- On LBL.gov, a user stated that the average homeowner should be prepared to spend about $1,200 to $1,500.
- In North Carolina, homeperformancenc.com gave a few examples of what customers paid in the past. For example, one 3,200 square foot home paid $570 for an audit and the duct sealing.
What is going to be included?
- Before the procedure begins, a contractor will set up test equipment to depressurize the house to find any holes or leaks. During this process, the registers will be blocked with foam, forcing the air to go out through the leaks. Special technology and sensors are used to measure and control the process. When the leaks are located, the joints in the ductwork will be sealed using a special paste that is non-toxic and effective. After these leaks are plugged, the contractor should run the test again to measure the leakage.
- The benefit of sealing your ducts will be energy saving efficient, give you pronounced comfort in your house and better air quality.
- Most are able to seal holes that are up to 5/8th of an inch wide.
- Some companies may provide limited warranties.
What are the extra costs?
- The extra costs you may incur will be regular inspections, which should be done once a year.
- Be prepared to have this procedure done every 10 years.
- If there are any problems noticed during the procedure, you may need some repairs done. Any repair or replacement will be an additional cost.
Tips to know:
- It is said that about 20% of the cool or warm air in the air ducts is lost due to leaks within the system. In order to determine whether or not this is a problem in your home, check the following things:
- If you compare your summer cooling bills and winter heating bills with those of your neighbors (with similar size homes) and yours are much higher, chances are you have leaks in your duct work.
- There may be some rooms in your home that are harder to cool or warm, usually those that are further away from the furnace.
- If the rooms in your home are beginning to feel stuffy and stale, it may be due to the air not being circulated as well since the ducts are leaking air.
- Observing the system can give you a lot of clues. If there are any kinks in any of the duct work or if there are any visible or audible air leaks, chances are good that this is true in the rest of the home as well.
- There are some things that you can do on your own to help with air duct sealing. You can inspect and repair any of the ductwork that you can see in attics, garages, basements, etc. You can also check the connections around the vents to make sure they are sealed since this is one of the most common problem areas. However, it is not recommended that you use duct tape to repair anything; it does not last as long and is not as efficient.
How can I save money?
- An air duct sealing system can save a lot. A series of reports from the government have shown energy savings of up to $850 per year after getting air ducts sealed. Homeowners have been able to save up to 40% of their energy bills, and although the exact energy saving is difficult to estimate, most homeowners, regardless of the climate, have been able to save as much as 40 percent.
- Some states such as Oregon offer tax credits to homeowners who take advantage of this service. Check with your local government or look online to see if you can take advantage of any credits.
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