| When it comes to knowing when it's time to have | | | | transfer |
| your air ventilation system inspected and cleaned, | | | | - Heat registers on the floor have dirt and dust in |
| many people may not be able to recognize the signs | | | | them |
| of a dirty system. Generally speaking, if you have no | | | | - Sneezing more frequently, especially after air starts |
| memory of the last time your system was cleaned, | | | | to flow |
| it's probably been too long. A good rule of thumb is | | | | - More frequent cases of attacks in anyone with |
| to have your home or office air ducts inspected and | | | | asthma in your home or office |
| cleaned every two years. If you or someone else in | | | | If you do any sort of renovation work throughout |
| your family has allergies, this period should be | | | | your home, this can also have an effect on the way |
| shortened to once a year or more often, if you feel | | | | that your air ventilation and heating system works. If |
| that air problems in your home may be contributing | | | | you are doing demolition work, the dust that |
| to health problems for you or your family. Over 60 | | | | becomes airborne will travel straight through your air |
| million people in North America suffer from some | | | | duct system and may end up clogging your filter. It's |
| form of allergy, with children and the elderly being | | | | important that you are aware of the damage and |
| most affected by respiratory problems. | | | | health concerns that any renovation work can have |
| Many forms of mold, mildew and other bacteria can | | | | on your air system. Even the simple act of painting |
| easily form in the dirt and dusty pollutants that form | | | | can stir up a lot of dust that can have an effect on |
| within the air ducts of your ventilation system. You | | | | the way that your air system functions. |
| also may start to notice that many people around | | | | One of the first things you should do when you buy |
| you start to have headaches more often due to the | | | | a new home is to have someone come in and |
| poor air quality of an unclean air system. | | | | inspect the air ventilation ducts for dust and other |
| Some indications that you may have a problem with | | | | airborne contaminants. Because we spend an average |
| your air duct system can include: | | | | of 75% of our lives indoors, the quality of the air we |
| - The air return grilles in your walls have a black fuzz | | | | breathe should be of the utmost importance. Dirt, |
| of dust along the vanes | | | | dust, animal dander and other airborne pollutants can |
| - A layer of dust returns a few hours after you've | | | | have a marked effect on our health and the health |
| dusted your home thoroughly | | | | of those around us. There have been some studies |
| - The filters in your air system have black dust on | | | | that have proven that levels of hazardous pollutants |
| them | | | | inside our homes and offices are sometimes 70 times |
| - Dry and stuffy air throughout your home or office | | | | higher than in the air outside. |
| - Higher than normal utility bills due to poor heated air | | | | |