Tips & Advice
Why is it important to keep air ducts clean?
The most important reason to keep air ducts clean is your health! Particularly if you have allergies, sensitivities, or respiratory issues, it’s important to keep the air quality high--not to mention potentially dangerous molds from building up. It’s also important for the health of your HVAC system. Keeping it clean and well maintained will improve performance and the life expectancy of the HVAC unit.
What are the most common sources of air duct build up?
The most common sources of air duct buildup are the number of people and pets living in the residence, and the air quality in the local area. All of these affect interior air quality. The more dust, dirt, and random air particles floating about, the more that are drawn into the HVAC system.
How do you get rid of mold in air ducts?
Mold in the air ducts can be an easy DIY fix. First, turn OFF your HVAC system. Find an approved cleaning solution. Pour or spray the solution on the infected area. Put on protective gear and a mask - you do not want to make contact with the mold (or chemicals! or breathe it in. Scrub the area using disposable towels or brushes, and be sure to check the drip pan and evaporator coils. Vacuum the affected areas after cleaning. Bag all your rags and utensils and dispose of properly. Apply an inhibitor to the affected areas to prevent future growth. It is recommended to call a professional if you have more than 10 square feet of mold as this may be too big of a job, or there might be other/larger issues. Even if you don’t have more than 10 square feet of mold, you can still call a professional to clean it up.
How often should residential air ducts be cleaned?
Under normal conditions, standard-use residential ducts (HVAC systems) should be cleaned every three to five years. Usage, system age and condition, local air quality, and number of residents and pets can affect cleaning frequency needs. Harsher conditions might require cleaning as often as every two years. Obviously, if your system is not functioning properly or the output air quality is bad, consult a professional sooner rather than later to get a proper diagnosis.
How can I tell if the duct cleaning was done well?
The best way to know if your cleaning was effective is through improved performance of your HVAC system, ideally. You can have before-and-after pictures taken of the ducts (make sure they are of the intake ducts - the ducts that return air into your room), motor and coils. Another tip is smell – sniff the ducts before and after the work is done. Outside of noticeably improved performance, smell and visual evidence are your best indicators.
How long does it take to clean air ducts?
A standard air duct cleaning service for a single-family residence, using a crew of two technicians, should take between two and four hours, on average. Variables to consider include the size of the residence, the number of ducts and their condition, and the experience and competency level of the crew.
What is air duct cleaning service?
Air duct cleaning service cleans the supply, intake, and return ducts of standard household HVAC systems (heating, ventilation, and air conditioning). You probably know it as your central air system. Other parts that should be cleaned during a standard duct cleaning include fans, motors, heat exchangers, grills, registers, housing units, and the coils of the HVAC system.
How much does duct cleaning cost?
There are several variables that determine the cost of a duct cleaning: location, size of residence, the number of vents, and the labor. The average national cost of a standard household duct cleaning service is $300-$500. Obviously bigger house plus bigger job equals bigger cost.
How long does the typical air duct cleaning session take?
Typically it takes a team of two technicians between two to four hours to clean the air ducts of a single family residence. Larger residences may take longer. Of course, all of this depends on the condition of the ducts and the crew’s experience.
What is negative pressure air duct cleaning?
Negative pressure air duct cleaning is a process in which the ducts are cleaned by hand in concert with compressed air tools to dislodge dirt and debris, which is then vacuumed up and removed. It is considered a superior cleaning method in its efficiency and in preventing dislodged debris from escaping the ducts and contaminating the air in the residence.