While the days are getting longer, there is still plenty of winter left. Which means we still seek the warmth and comfort of our homes. However, as we continue to retreat indoors, it’s important to remember that our homes may not be the blissful sanctuaries we think they are. For example, did you know that indoor air can be two – five times more polluted than outdoor air? This is especially true during the winter months when we keep windows and doors closed and seal up cracks and gaps to conserve heat.
Read on as we look at some of the key reasons indoor air quality is worse during winter and what you can do to improve it.
1. Increased Use of Heating Systems
During cold weather months, the demand on heating systems rises, and whether you’re using a furnace, space heater, or even a fireplace, these systems can affect air quality. Forced-air heating systems, in particular, can stir up dust, dander, and other allergens that have settled in your home. It’s crucial to have your heating system professionally cleaned and serviced each year for optimal comfort and efficiency.
2. Sealed Homes and Reduced Ventilation
One of the biggest reasons for poor indoor air quality in winter is the reduced ventilation. In an effort to conserve heat and energy, we tend to keep windows and doors closed, limiting airflow in and out of the house. This leads to a buildup of indoor pollutants such as dust, pet dander, mold spores, and volatile organic compounds (VOCs) that are emitted from household products like paints, cleaners, and air fresheners. With limited air exchange, these pollutants linger inside the home and can worsen air quality.
3. Humidity Levels Drop
Cold air naturally holds less moisture than warm air, and when you heat your home, it further reduces the humidity inside. Low humidity levels can cause discomfort, like dry skin and irritated sinuses, and can also make your indoor air feel stuffy. Dry air can also exacerbate respiratory issues, especially for individuals with asthma or allergies. Moreover, when humidity is too low, dust and other allergens can become airborne more easily, which can further degrade air quality.
4. Increased Indoor Activities
During the winter months, we tend to spend more time indoors—whether it’s cooking, cleaning, or simply hanging out with family and friends. These activities can also contribute to indoor air pollution. Cooking, for instance, can release pollutants such as carbon monoxide, nitrogen dioxide, and particulate matter into the air. Cleaning products, candles, and other common household items can emit VOCs that compromise air quality.
What You Can Do to Improve Air Quality
Improving indoor air quality doesn’t require drastic changes but rather some simple, proactive steps:
- Maintain your heating system. Ensure your heating system is properly serviced to reduce dust buildup and prevent harmful emissions.
- Increase ventilation. Open windows occasionally to let fresh air in; even a few minutes a day can have a significant impact.
- Control humidity levels. Use a humidifier to add moisture to the air and help maintain optimal humidity levels (ideally between 30% and 50%).
- Use an air purifier. Invest in a good-quality air purifier with a HEPA filter to help capture dust, allergens, and other airborne particles.
At Messmer Mechanical, we offer a variety of indoor air quality solutions to help you stay comfortable, healthy, and breathing easy all year long. Contact us today for an air quality assessment and system proposal.