Since 1980, Mr. Jean Laviolette and his team have been working to offer you a superior service in the fields of fireplace and chimney maintenance and repair.
Always concerned with your safety and your family's, Les Entreprises NCS is happy to offer you a new service: dryer vent cleaning.
Mr. Jean Laviolette has completed training and been certified as a "Dryer Exhaust Technician" in the United States by the CSIA (Chimney Safety Institute of America). An exam must be completed every three years to renew this certification.
The transition ducts and the exhaust ducts are cleaned using an air compressor and/or a mechanical system.
The dryer's transition duct is removed and cleaned. On certain models where the back of the appliance is easily accessible, the area surrounding the motor can be cleaned.
First, the outdoor exhaust termination (valve) is removed to access to the exhaust ducts. The air hose is inserted inside to remove the accumulated lint. If the damper is damaged, it is replaced by a new one with a self-closing damper and a screen. The assembly is then screwed into the wall.
The evaluation with a video camera can detect all kinds of problems that might be present in the exhaust ducts inside the walls.
The exhaust ducts may be made of white plastic (vinyl).
The ducts may have become separated.
The ducts may be crushed.
The ducts might be joined with screws rather than with metallic tape.
There might be an obstruction.
Over time, dust and sometimes contaminants accumulate in your ducts. Cleaning them can improve the air quality inside your home. The size of your home, the number of people living there, the presence of pets and its locations (near a main road or not) are factors that will influence the required cleaning frequency. As a rule, it should be done every five years.
However, if you have made home improvements, or if you have asthma or allergies, you will benefit from having your ducts cleaned more often.
The transition ducts between the dryer and the wall must be made out of metal instead of plastic (vinyl), because the latter is highly flammable. The recommended diameter for home dryers is 4 inches.
The exhaust ducts must be made of rigid metal (if installation allows), and the joints shall be secured with metallic tape, not screws, because screws retain lint. They must be as short and as straight as possible. Each 45° elbow is equivalent to 2.5 feet of duct and each 90° elbow is equivalent to 5 feet of duct. Most manufacturers recommend a maximum length of 25 feet. Longer ducts can cause longer drying times, create more water vapour and accumulate more lint, and therefore affect your dryer's operation.
It might be necessary to move the exhaust ducts if they are too long, contain too many elbows or if the outdoor damper is too close to the ground.
They must be independent of any other system and lead outside, not to a chimney or the attic.
The outdoor exhaust termination must contain a screen to prevent birds from nesting inside the ducts.
It must also have a self-closing damper that closes hermetically to stop cold air from entering the building. It's important to clean the damper to prevent lint from accumulating, which could stop the valve from closing completely.
RBQ : 5596-8507-01
Clean dryer exhaust ducts prevent the accumulation of heat, humidity, and, for gas dryers, carbon monoxide in the house. When these accumulations occur, energy, time and money are wasted because your dryer operates longer and at a higher load than necessary.
Les Entreprises NCS are affiliated with Healthy Chimney to offer fireplace and chimney maintenance.
Phone: 514‑336‑6080 www.healthychimney.com
If you have any question, or if you would like to schedule an appointment with Les Entreprises NCS team, please call us at 450‑437‑4906, write us at firstname.lastname@example.org or fill in the short form.