Top 5 Indoor Air Quality Solutions for Allergy Season
Reduce dust, pet dander, and mold spores in your home with whole-house air purifiers, HEPA filtration, and professional duct sealing.
Indoor air in a tightly sealed home can carry more allergens than the air outside it. These are the five fixes that make the biggest measurable difference.
1. Upgrade filtration. A MERV 11 to 13 media filter captures pollen, pet dander, and most mold spores. Do not jump straight to the highest MERV you can buy - a filter too restrictive for your blower will starve the system for airflow.
2. Add a whole-house air purifier. Units that mount in the ductwork treat every cubic foot the system moves, unlike a portable unit that only handles one room.
3. Seal the ducts. Leaky return ducts in a basement or crawlspace pull in dust, insulation fibers, and humidity, then distribute them through the house. Sealing is usually cheaper than cleaning and lasts longer.
4. Control humidity. Keep relative humidity between 35 and 50 percent. Above 50, dust mites and mold thrive; below 30, airways dry out and irritation gets worse.
5. Ventilate deliberately. An ERV or HRV brings in filtered outdoor air and exhausts stale indoor air while recovering most of the energy, so you are not paying to heat raw January air.
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