This heat detector in my house started beeping this morning. I

Kidde 10-Year Worry-Free Sealed Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm (3-Pack) 21030260 - The Home Depot

HATHEPHS 10-Year Battery Interconnected Smoke and Carbon Monoxide Detector, Ultra-Thin Wireless Interlinked Smoke and CO Alarm with Large Button, Two Installation Ways, 3-Pack

Why do smoke alarms keep going off even when there's no smoke?

How to Fix Beeping Smoke Detectors?

Why is my smoke alarm beeping?

What to Do if My Smoke Detector Keeps Beeping? Is it My Security System? — NCA Alarms Nashville

DETA smoke alarm fault - Smoke Alarms - Safelincs Fire Safety Forum

Nonstop Noise From a Neighbor's Place - The New York Times

Our Terrifying Carbon Monoxide Tale - Exquisitely Unremarkable

Why do smoke alarms keep going off even when there's no smoke?