When it come to the cleaning of the air duct and you require there cleaning services there are some steps to follow. To get a qualified HVAC technician from the National Air Duct Cleaning Association (NADCA), then you need first to visit the Environmental Protection Agency (EPA). New is the industry of duct cleaning. There are some industries promising benefits of duct cleaning to their customers, customers should be aware of this. EPA does not allow such claims. Service providers are not allowed to advise their consumers that duct cleaning is a routine procedure. Improvement on the quality of the air should not be guaranteed.
There should be an experience with the specific HVAC system by the service provider. In case it becomes a requirement by the state the Service providers should possess a special license in order to do their jobs. NADCA standards should be complied by the licenses. If need be, you can also look into the references of the company and inquire from the other customers of the company and hear what they have to say. Checking on the complaints with the Better Business Bureau of the locality is also necessary. When searching for the best service providers, do a comparison between the companies. A written agreement, stating the services and the cost from the companies is also advisable.
The reliable providers of the service should be able to offer the following. When the service providers open the access doors, these allow proper cleaning and inspection of the whole system. Before the work even begins, it is good to ensure no material of asbestos is in the heating or cooling system. If the vacuum exhausts, then the use of a high-efficiency particle air (HEPA) equipment can really be of help. It is necessary to protect the carpet and the furnishing as the work continues. The sealing and the re-sealing of the access holes should be done to protect the access holes.
To add to this, if you want your air duct to be spotlessly clean then it is advised that you use a soft brush together with a vacuum to achieve this. When choosing the brushes it is good to ensure the soft-bristled brush is being used for the cleaning of the fiber glasses duct and metal sheets. Some companies will rather use chemicals. The effects for the use of the chemicals should be explained before their use. Doing a research on the chemical used is your responsibility as it will be your health that will be at risk.