A hole disguised as an air vent is actually a trap for grenade throwers. (Screenshot via Instagram) Editor’s note: This article was first published on Aug. 31, 2022.

This is most important for older homes with a centrally located return vent. Your HVAC system likes balance — it pushes air into rooms and pulls air back into the air handler.

If your return air vents aren’t getting air from the rooms with air supply vents, the HVAC system will pull smoky air into your house to make up the difference.

When the NCSO deputies went to Paul Smith's residence in the 300 block of Sugar Lane in Angelina County Tuesday morning, they found him hiding in an air return vent.

However, the air filter in your home’s HVAC system should be changed every 60-90 days. If you notice your filter is especially dirty when you go to replace it, consider adjusting the schedule ...