Why Your Water Heater Is Making Noise—and When to Worry If your water heater has started making noise, it’s natural to wonder whether something is about to fail. Many sounds are caused by common, fixable issues—especially mineral buildup—while a few are red flags that warrant prompt inspection by a licensed plumber. In most homes, water heaters cycle on and off to maintain temperature. That means occasional low-level sounds can be part of normal operation, particularly during heating and shortly afterward. Rumbling or vibrating (often tank “bottom” sounds) A heavy rumble that grows more noticeable over time is frequently caused by sediment collecting at the bottom of the tank. As the burner or heating element warms the water, that sediment can shift and heat unevenly, producing a low, continuous noise. Popping, crackling, or banging Popping or crackling is commo ... Read more »
How Radon Mitigation Systems Work—and When You Need One Radon is a naturally occurring radioactive gas that can seep into homes from the soil. Because it’s colorless and odorless, the only way to know if you’re exposed is to test your indoor air—then decide whether mitigation is warranted. Many homeowners ask how radon mitigation systems work and what triggers the need for one. In most cases, mitigation focuses on preventing radon from entering living spaces and safely venting it outdoors. First: confirm the problem with radon testing Before installing any system, you typically need radon measurements from a certified testing approach. Short-term tests can provide quick insight, but long-term measurements are often more reliable for assessing typical exposure levels. If results show elevated radon, you’ll generally be advised to consider mitigation. National and regional guidance commonly uses action levels (often expre ... Read more »