Indoor Air Quality Continued
I’m continuing the conversation on indoor air quality by discussing basic ways to improve indoor air quality.
How can I improve indoor air quality? (Reposted from HealthlinkBC).
There are 3 basic ways to improve indoor air quality:
- Control the source: Remove the source of pollution or reduce the level of the emissions. This step should always be considered first to improve indoor air quality.
- Biological contaminants
- Keep the house clean and dust-free to reduce allergens such as dust mites, pollen and animal dander. Clean heating ducts and change furnace, humidifier and air conditioning filters regularly
- Use a vacuum cleaner that is equipped with a HEPA filter. You could install a built-in vacuum cleaner that vents outside your home
- To stop or prevent mould, reduce humidity by venting air from moist areas, such as bathrooms, kitchens and clothes dryers, to the outside. Keep the bathroom and kitchen fan on or open a nearby window for at least 30 minutes after showering or cooking
- If water damage occurs, repair the leak and dry out damaged carpets, underlay and building material, or consider replacing them
- Do not carpet any area that is subject to moisture or flooding problems (e.g., certain basements)
- Regularly clean your humidifier
- Combustion by-products
- Follow the manufacturers’ instructions for fuel burning appliances. Install, service and repair them according to the manufacturer’s instructions, change filters regularly and vent to the outside. Use fuel correctly in an EPA or CSA certified appliance
- Do not allow smoking in or near your home
- Avoid idling cars or using other gas-burning equipment indoors
- Install a carbon monoxide detector
- Volatile Organic Compounds (VOCs)
- Use products with low VOC emissions. If possible, allow gases to be given off in storage before putting new furnishings and carpets into your home. If this is not possible, try to increase the ventilation in rooms with new furniture or carpets by opening windows and doors for as long as possible over several days
- Store paints and solvents in a separate area of your home. Use them only as directed and in well-ventilated areas. Recycle unwanted paints and solvents
- Do not mix different household cleaners or solvents together. Mixing products can create new pollutants and can be extremely dangerous
- Biological contaminants
- Improve ventilation: Increase the amount of outdoor air coming indoors by keeping your home well ventilated, especially when cooking or during home renovations. Keep windows open and kitchen and bathroom exhaust fans turned on
Lack of proper ventilation may occur in tightly sealed buildings or those with too high a level of re-circulated building air. This may reduce indoor air quality. These types of buildings may also have higher indoor moisture or humidity levels, contributing to the growth of mould and mildew.
On days when outdoor air quality is very poor, such as during wildfires, consider limiting airflow from outdoors for a short period of time.
- Clean the air: Air cleaners may be used in the home in addition to improving ventilation and trying to control or eliminate sources of the pollution. Air cleaners often come in 1 of 2 forms. The most common are those cleaners designed to remove particles from the air, while less common are those designed remove specific gases and odours
Using air cleaners
- Air cleaners vary in their cost and in how well they work. They also may have different types of filters. Mechanical or electric air filters are the most common and are designed to remove particles from the whole house (in-duct) or from a single room (portable). For example, HEPA (high efficiency particulate air) filters remove particles from the air, while activated carbon filters remove one or more gaseous pollutants. If you buy a portable air cleaner, follow the manufacturer’s specifications to choose the right size for the room you will use it in. Use the device that best meets your needs based on the type of pollutants you wish to capture. Also consider cost, energy and maintenance requirements. Change the filters regularly, as often as the manufacturer’s instructions tell you to
- Ozone generators, a type of air cleaner, should not be used in your home because they produce harmful levels of ozone
For More Information
For more information about indoor air quality and your health, visit:
- Health Canada – Air Quality www.canada.ca/en/health-canada/services/air-quality.html
- The B.C. Lung Association – Air Quality https://bc.lung.ca/protect-your-lungs/air-quality-lung-health or call toll-free 1 800 665-LUNG(5864)
Health Link BC. (March 4, 2020). Indoor Air Quality. Healthlink BC. (Accessed on March 4, 2021). Accessed from: https://www.healthlinkbc.ca/healthlinkbc-files/indoor-air-quality
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Liz Penner is a top-selling licensed real estate salesperson with the Fraser Valley Real Estate Board and has been a top-selling realtor specializing in the residential resale of condos, townhomes, and houses for over a decade. Liz assists residents of the Langley and Surrey areas to sell real estate while looking out for the client’s best interests. Liz also helps first-time homebuyers, families, and repeat purchasers with their property search process, ensuring that her clients get access to the very best homes on the market while receiving excellent service ensuring that they find the perfect place to call home.
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