
How Your Attic Insulation Affects Indoor Air Quality in Your Calgary Home
Most Calgary homeowners focus on furnace filters and air purifiers—but the real source of dust, mustiness, and persistent allergies is often directly above the ceiling. Discover how aging or inadequate attic insulation creates pathways for mold spores, rodent allergens, and moisture into your living space, what Health Canada recommends for safe indoor humidity, and what it takes to seal the invisible highway between your attic and your family’s air supply.








