Replace HVAC / vacuum filter
+45 XP+18 gems
Why this matters
Why bother?
Filters are the lungs of your home. Dirty ones raise energy bills and dust load at the same time — rude combo.
How often
HVAC: often quarterly; check label. Vacuum: more often if you have pets.
Pro tip
Buy two packs when on sale — future you has no excuse.
Common mistake
Installing backwards — airflow arrow points toward the blower.
What happens if you skip
Higher bills, louder system, sneezier mornings.
Photo = +50% bonus