For high smoke conditions in Alberta, the most effective solutions are units equipped with HEPA filtration or whole-home air cleaners. According to Northstar Heating & Cooling, these systems are specifically designed to capture fine particulate matter (PM2.5) found in wildfire smoke.

There are two primary ways to implement this protection:

  • Whole-Home Air Cleaners: These are integrated directly into your existing HVAC ductwork. They provide comprehensive protection by circulating purified air throughout every room in the house, making them more reliable for complete coverage than portable units.
  • Portable HEPA Air Purifiers: These units capture at least 99.97% of fine smoke particles. They are ideal for targeted protection in specific areas, such as bedrooms or living rooms, where your family spends the most time.

In addition to these units, it is recommended to upgrade your furnace filter to a MERV 13 or higher to capture fine debris while running your system in recirculation mode. Combining these filtration solutions with proper air sealing for windows and doors provides the best defense against hazardous outdoor smoke.


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