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Health & Safety Guides
20 guidesSome home hazards are easy to miss because you can't see or smell them. These guides cover carbon monoxide, radon, asbestos, lead paint, ozone generators, heater smells and spray foam concerns, with practical steps for Austin and Central Texas homeowners.
Begin with Hidden Home Hazards: Radon, CO, Asbestos, Lead Paint and Fire for the big picture. Then read Heater Smells Like Burning? What's Normal and When to Call before the first cold front, and Are Ozone Generators Safe for Indoor Air? before buying any air cleaning gadget.
Fuel-burning equipment should be checked every fall, and our heating tune-up page lists the safety checks included in a seasonal inspection.
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Health & SafetyIs It Safe to Use a Fireplace While the Heat Is Running?Yes, with some care. Open the damper before lighting the fire and keep it open until the ashes are cool, use a screen and…
Health & SafetyIs It Safe to Run a Generator During a Winter Power Outage?Yes, if the generator runs outdoors only, at least 20 feet from doors, windows and vents, and never in a garage, even with the…
Health & SafetyWhat Is a Furnace Heat Exchanger, and Why Does It Matter?The heat exchanger is the metal chamber inside a gas furnace that keeps the flame and exhaust separate from the air going to your…
Health & SafetyWhy Does My Furnace Rattle or Rumble When It Starts?A brief rattle as the blower spins up is often a loose panel, screw or duct connection. A rumble or boom as the burners…
Health & SafetyWhat Color Should a Furnace Flame Be?A gas furnace flame should be mostly blue, sometimes with a small yellow tip. A flame that stays yellow or orange can mean the…
Health & SafetyWhy Is Your Carbon Monoxide Alarm Beeping or Chirping?Four loud beeps and a pause, repeating, usually means the alarm has detected carbon monoxide: get everyone outside and call 911. A single chirp…
Health & SafetyWhat Should You Do If You Smell Rotten Eggs Near Your Furnace or Water Heater?A rotten egg or sulfur smell near a furnace or water heater can mean a gas leak. Get everyone out right away, and don't…
Health & SafetyAre Space Heaters Safe to Use Alongside Central Heat?Yes, if you follow the CPSC's basics: keep an electric space heater at least 3 feet from anything that can burn, plug it straight…
Health & SafetyCan a Dirty Air Conditioner Make You Sick?A dirty AC doesn't create germs on its own, but it can recirculate dust and, if the coil, drain pan or ducts stay wet,…
Health & SafetyWhere Should CO Detectors Go in a Home With a Gas Furnace?Put a carbon monoxide alarm on every level of the home and outside each sleeping area, as CPSC and NFPA recommend. With a gas…
Health & SafetyCan an Air Conditioner Produce Carbon Monoxide?No. A central air conditioner or heat pump runs on electricity and burns no fuel, so it cannot make carbon monoxide. CO comes from…
Health & SafetyWhat Should You Do If Your AC Stops Working in a Heat Wave?Get the people and pets who handle heat worst somewhere cool first, then try a few safe checks: thermostat set to Cool, a clean…

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