Common Signs Symptoms of Boiler Gas Leaks in Homes

9 Mar by Will Kruse

Common Signs Symptoms of Boiler Gas Leaks in Homes

Boiler gas leaks are a serious safety hazard in many homes, as they can lead to a dangerous build-up of carbon monoxide. Carbon monoxide is an odorless, colorless gas that can cause significant health problems, including death.

Recognizing the common signs and symptoms of boiler gas leaks is important to protect yourself and your family from potential danger. Boiler gas leaks can exist in many forms, so it is vital to know the possible signs and symptoms that may indicate a leak in your home.

Common signs and symptoms of boiler gas leaks in homes may include:

  • A Sulfur or Rotten Egg Smell

    Have you noticed a rotten egg smell coming from your house? If so, you may be experiencing a gas leak.

    A sulfur or rotten eggs smell is one of the most common signs of a boiler gas leak (and other symptoms often accompany it). When this happens, it’s important to act immediately: call a plumber or another professional to help identify the problem and ensure it’s safely resolved.

  • Pilot Light Flickering

    When the pilot light in your boiler is flickering, it could be a sign that there is a gas leak. The pilot light is the small flame that burns at the base of your boiler to ignite the gas flow. If this flame is flickering, there is low pressure in your home’s gas lines. This can be caused by a slow leak, which could be dangerous if not addressed immediately.

  • Yellow or Orange Flames in the Boiler Flames

    Flame is also an indicator of your boiler’s condition. If you notice yellow or orange flames in your boiler, it could mean an issue with the fuel supply or ventilation system. This can cause poor combustion and result in black smoke coming from your chimney.

  • Excess Condensation

    The leaking of water can be a sign of something more serious. If you notice excess condensation in your home, it could mean a leak in your boiler or pipes. This water may be discolored and smell like gas. The best thing to do is contact a professional immediately if you notice this.

  • Increased Health Problems for Homeowners or Pets

    It could indicate carbon monoxide poisoning if you notice health issues in your home or pets. Some common symptoms include headaches, dizziness, and nausea. If you see any of these symptoms in yourself or a loved one, it’s important to contact a professional immediately.

  • Hissing Sound

    The sound of escaping gas is one of the most obvious signs of a boiler leak. Hissing, whistling, and other noises are caused by releasing carbon dioxide, oxygen, and nitrogen as they escape through cracks in your boiler’s pipes.


These signs and symptoms may indicate a severe problem with your boiler. Inspecting the area around your boiler and having it professionally inspected if you notice any of these signs or symptoms is important. If you suspect that there is a gas leak in your home, take precautions to ensure the safety of everyone in your home by evacuating immediately and contacting emergency services.

Need heater repair? We’ll help you diagnose and repair any problems so that you can enjoy a warm and comfortable home. L.J. Kruse Co. will provide you with the best service for your needs. Contact us today to schedule an appointment!

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