Professional plumbers in Lombard, IL, discuss warning signs of gas leaks, such as smells and higher gas bills.

Lombard, United States - December 22, 2025 / Jim Wagner Plumbing, Inc. /

Stay Safe From Dangerous Gas Leaks by Identifying Them Quickly

Natural gas powers many furnaces, water heaters, stoves, and dryers. When it stays contained inside appliances and piping, it is a convenient fuel. When a gas leak develops, however, it can quickly turn dangerous. Recognizing early clues makes it easier to act fast and call in licensed professionals for gas line repair or gas leak repair. This guide highlights common signs of a gas leak, including unusual smells and sounds, unexpected billing changes, and physical gas leak symptoms that may affect both people and pets.

Strange Smells or Sounds

bad smellAmong the clearest signs of a gas leak is an unfamiliar odor in the air. Natural gas on its own is odorless, so suppliers add a distinct scenting agent that smells like sulfur or rotten eggs. If that smell lingers around a gas line, gas meter, stove, furnace, or water heater, it can mean natural gas is escaping into the room instead of burning safely inside the appliance.

Unusual sounds can be just as revealing. A hissing or whistling noise near an exposed pipe, connection, or appliance valve often points to gas under pressure forcing its way out through a small opening. The sound may be loud enough to notice immediately, or it may be subtle and easier to hear when everything else is quiet. Any combination of sulfur-like odor and hissing around gas equipment is a strong indicator that a leak is present and that the area should be cleared while emergency services are contacted.

Higher Gas Bill

bills Monthly gas charges can also help uncover hidden problems. When a gas bill suddenly rises despite no major change in natural gas usage, it may mean fuel is leaking from a damaged section of piping or a malfunctioning appliance. Tracking statements from month to month makes it easier to catch these unexplained jumps.

Comparing the current bill to the same season in previous years can provide context. Some variation will occur with colder or warmer weather, but a sharp, ongoing increase with no change in household habits should not be ignored. In that situation, a licensed technician can inspect appliances, regulators, and the main gas line, looking for issues that might be wasting fuel or allowing gas to escape. Prompt gas line repair in response to billing red flags can improve safety and restore normal costs.

Physical Symptoms

A gas leak can affect the health of people and animals in the home. When gas displaces oxygen in indoor air, occupants may feel unwell before noticing an odor. Common gas leak symptoms in people include eye and throat irritation, headaches, nausea, fatigue, dizziness, and shortness of breath. Symptoms may ease after leaving the building and return again when re-entering.

Pets are often more vulnerable, especially smaller animals that spend time close to the floor, where gas can concentrate. Warning signs in pets can include loss of appetite, vomiting, coughing, labored breathing, weakness, or unusual behavior. If multiple people or pets begin experiencing similar unexplained issues, especially in areas where gas appliances operate, a leak should be suspected and the building evacuated while help is called. After emergency crews make the scene safe, professional gas leak repair can address the underlying cause.

About Jim Wagner Plumbing, Inc.

Jim Wagner Plumbing, Inc. is a third-generation plumbing company offering top-rated plumbing, heating, and cooling services to Lombard and neighboring communities. Expect a live answer when you call, with honest advice and recommendations, and the attention you deserve. So call now to schedule gas line services in Lombard, IL.

Contact Information:

Jim Wagner Plumbing, Inc.

51 Eisenhower Lane South
Lombard, IL 60148
United States

Jim Wagner
(630) 577-9241
https://www.jimwagnerplumbing.com

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