Chances exist that lint that has in fact been restricting the exhaust vent over a prolonged time period can cause overheating which in turn can cause a fire. The establish of lint that occurs over a prolonged amount of time is not merely a fire threat, it is also a clothing dryer problem that gradually steals the energy efficiency of the clothes dryer and gradually cost you significantly more money.
On the other hand there are a lot more duct cleaning business that will appropriately clean the air system and duct and make use of industrial damaging duct cleaning vacuums with a minimum of 2,000 CFMs of vacuum power and use correct agitating tools to move the contaminants within the duct to be recorded with HEPA filters and consisted of by the duct cleaning vacuum devices.
We extremely suggest utilizing a Florida Certified Mechanical Contractor to check and clean your air system. As a licensed Mechanical Contractor the specialists, are correctly trained to decontaminate your air system and not just can they effectively clean your air system due to their comprehensive understanding and experience with air systems and indoor air quality, however they can likewise inform you of any extra locations that may require focus on surpassing your indoor air quality such as; purification factors to consider, damage, structural air circulation issues, or ineffectiveness of your present system. In more damp and hot environments, you will wish to have your air systems checked and service, a minimum of every season, to guarantee that your air system and the duct is clean of particles offering great indoor air quality.
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.
Obstructed dryer vents are the source of thousands of house fires every year. People often ignore or don't recognize the signs of a clogged dryer vent, and this seemingly small oversight can have disastrous results, including the loss of life and property. The best way to prevent house fires from starting in or around your dryer is to have your local Dryer Vent Wizard service your machine and ducts.
"Energy is consumed by HVAC systems through a number of processes. Air is typically distributed through the ductwork via an electrically‐powered fan. Cooling coils remove heat from the air. Heating coils add heat to the air. Through normal HVAC usage, particulates in the air slowlycollects on the surfaces of various HVAC components, resulting in a gradual loss of energy efficiency. Some loss of efficiency via a single dirty component may be minor. When the loss through each component is added up, however, the impact could be considerable. Generally, the greater the buildup, the greater the energy loss. Removal of the buildup of particulate on HVAC components restores energy performance to the system." 
We use Rotobrush aiR+ professional air duct cleaning equipment (rotary brush and vacuum) and believe very strongly that this is the best equipment to clean the air ducts in your home.  Our equipment features a camera system so that if you would like, you can see what we are doing as we are doing it.  The Rotobrush aiR+ is designed specifically to handle the soft, flexible ducts in homes in the South. We are able to clean air ducts by inserting the rotating brush into the duct. With the brush rotating at 450 rpm, it loosens any debris that may be stuck inside. While the brush is scrubbing the walls, the vacuum sucks up the debris, leaving your air ducts clean.
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