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My furnace smells like gas, who should I call for an emergency check in the San Marcos area?
My furnace smells like gas, who should I call for an emergency check in the San Marcos area? Act fast, stay safe.

Recognizing the Emergency: When Your Furnace Signals Danger
My furnace smells like gas, who should I call for an emergency check in the San Marcos area? If you smell gas coming from your furnace, this is a true emergency. You need to evacuate your home immediately, avoid creating any sparks, and call 911 from outside. Once everyone is safe, contact a licensed HVAC professional for an emergency furnace inspection and repair. In the San Marcos area, you should call a qualified local HVAC contractor who offers 24/7 emergency services for gas leak detection and furnace repair.
Immediate Action Steps:
- Evacuate everyone from your home immediately—no delays
- Do not touch light switches, appliances, or phones inside
- Call 911 from a safe location outside your home
- Contact your gas utility to shut off the main gas supply
- Call a licensed HVAC professional for emergency furnace repair
A gas smell from your heating system is never something to ignore or investigate yourself. Natural gas has mercaptan added to it—that distinctive "rotten egg" smell—specifically so you can detect leaks before they become catastrophic. Whether it's a cracked heat exchanger, a faulty gas valve, or loose fittings, only a trained technician with proper detection equipment can safely diagnose and repair the problem.
For reliable guidance on heating system maintenance and safety, or to schedule an emergency furnace inspection in San Marcos, CA, having a trusted local HVAC partner makes all the difference.

Immediate Safety Protocol: What to Do if You Smell Gas
When you smell the unmistakable "rotten egg" odor of natural gas, every second counts. This isn't a problem to troubleshoot on your own. The question, My furnace smells like gas, who should I call for an emergency check in the San Marcos area? is critical, but your first priority is safety.
Natural gas contains an additive called mercaptan, which creates that distinctive sulfur smell as an early warning system. Your immediate response can prevent a tragedy.
Step 1: Evacuate Everyone Immediately
Get every person and pet out of the house without delay. Do not stop to grab belongings, turn off appliances, or investigate the source of the smell. Move quickly to the nearest exit.
Once outside, move a safe distance from your home. If the smell is strong or you hear hissing, alert your neighbors so they can also take precautions.
Step 2: Avoid All Ignition Sources
Natural gas is extremely flammable, and the smallest spark can trigger an explosion. Do not touch light switches, unplug or plug in appliances, or use a landline phone. Keep your cell phone in your pocket until you are safely outside.
Do not light matches, lighters, or candles. If your car is in an attached garage or near the house, do not start the vehicle, as the engine ignition is a major spark source. Avoiding these actions is crucial to prevent a devastating ignition.
Step 3: Call for Help from a Safe Location
Once you are outside and at a safe distance, use your cell phone to call 911 immediately. Report a gas smell at your address and provide any relevant details, like the smell's strength or any unusual sounds.
Next, contact your gas utility company's emergency line. They will dispatch a team to shut off the main gas supply to your home, a critical step in securing the area. Do not re-enter your home until emergency services declare it safe.
After the immediate danger is handled and the gas is off, you will need a licensed HVAC professional for emergency furnace repair. Following these steps—evacuate, avoid sparks, and call for help—is the best way to protect your family.
My furnace smells like gas, who should I call for an emergency check in the San Marcos area?
When you smell gas, the urgent question is: My furnace smells like gas, who should I call for an emergency check in the San Marcos area? The answer involves a critical sequence of calls to keep your family safe.

Who to Call First for an Emergency Check in the San Marcos Area
After evacuating, your first call must be to 911. Emergency services are trained to handle immediate gas threats and secure the area. Your next call should be to your gas utility company. They will send a team to your San Marcos, TX home to shut off the main gas supply, eliminating the immediate risk of fire or explosion.
While emergency services and the gas company handle the immediate danger, they do not fix your furnace. For that, you need a qualified HVAC professional to diagnose the problem and perform a safe repair.
Contacting a Trusted Local Professional for Furnace Gas Smells
Once the area is secure, you need a licensed and insured HVAC technician who specializes in gas furnace repair. Proper licensing ensures they know safety protocols, and insurance protects you during the repair. Local expertise is also vital, as a company familiar with the San Marcos area understands local building codes and common heating systems.
Furnace emergencies don't keep business hours, which is why 24/7 emergency availability is essential. At Aelott Air Conditioning, we've been answering emergency calls since 1963. We stand behind our work with honest pricing and a 100% satisfaction guarantee, giving San Marcos families peace of mind. Always check a company's reviews and ask for proof of licensing and insurance before work begins.
Services Provided During an Emergency Gas Leak Visit
Our technicians arrive with specialized equipment to conduct a thorough investigation. We use electronic leak detection equipment to pinpoint even the smallest leaks that are undetectable by smell but still pose a risk.
We inspect every gas-carrying component of your furnace, including the gas valve, pilot light, heat exchanger, and all fittings. A cracked heat exchanger is especially dangerous as it can leak carbon monoxide. We also check all accessible gas lines leading to the unit.
After identifying and repairing the problem, we perform a comprehensive safety inspection to test the repair, verify correct gas flow, check for proper combustion, and ensure all safety controls are functioning. You get the confidence that your furnace is operating safely.
We offer true 24/7 availability with rapid response times. For 24/7 Emergency Furnace Repair in San Marcos, TX | Call Now, our team is ready to provide the expert assistance your family needs. Your safety is our promise.
Understanding the Source: Why Your Furnace Might Smell Like Gas
Understanding why your furnace might smell like gas can help you communicate with technicians, but diagnosis and repair must be left to professionals for safety.

Potential Causes of a Gas Smell From Your Furnace
Several issues can cause a "rotten egg" odor, ranging from simple fixes to serious hazards.
- Delayed ignition: Gas builds up for a few seconds before igniting, causing a small amount of unburnt gas to escape. This indicates an ignition system problem that needs correction.
- Cracked heat exchanger: This is one of the most serious issues. A crack can leak combustion gases, including deadly carbon monoxide, into your home's air. Signs include a persistent gas odor, yellow flames, or soot buildup.
- Pilot light issues: On older furnaces, if the pilot light goes out or the thermocouple safety device fails, gas can flow without igniting.
- Malfunctioning gas valve: A faulty valve may not close completely, allowing gas to seep out even when the furnace is off.
- Loose gas line fittings: Vibrations and temperature changes can cause connections to loosen over time, releasing small amounts of gas.
Any of these problems require immediate professional repair. When asking, "My furnace smells like gas, who should I call for an emergency check in the San Marcos area?" the only safe answer is a licensed HVAC professional.
Distinguishing a Faint Smell from a Major Leak
While you should always treat any gas smell as an emergency, some signs indicate a major leak. However, when in doubt, evacuate.
- A persistent "rotten egg" smell that doesn't fade is a clear warning sign of a leak.
- A smell that grows stronger over time suggests an active, worsening leak.
- Hissing or whistling sounds near the furnace or gas lines indicate gas escaping under pressure.
It's also important to know what a gas leak isn't. A dusty or "burnt toast" smell when you first turn on the heat for the season is normal dust burning off. Musty or metallic odors point to other maintenance needs, like a filter change or duct cleaning, but they don't have the same immediate danger as the sulfur smell of natural gas. If you smell rotten eggs, don't hesitate: evacuate and call for help.
Prevention and Preparation for Furnace Safety
The best way to handle a furnace gas emergency is to prevent one from happening. Proactive steps can dramatically reduce the risk of a gas leak, and being prepared helps you respond confidently if one occurs.

Preventative Measures to Avoid Furnace Gas Leaks
Scheduling annual professional furnace maintenance is the most effective way to keep your system safe. During a tune-up, technicians inspect critical components like gas connections, the heat exchanger, and safety controls, looking for wear, corrosion, or tiny cracks. Catching these issues early prevents them from becoming dangerous, especially in furnaces over 10 years old.
Other simple steps include:
- Regularly changing your furnace filters: This ensures proper airflow, preventing overheating that can stress components like the heat exchanger.
- Keeping the area around your furnace clear: Maintain about three feet of clearance on all sides for ventilation and easy access. Never store flammable materials nearby.
- Installing carbon monoxide detectors: A malfunctioning furnace can produce odorless, colorless CO gas. Install detectors on every level of your home, especially near bedrooms.
If your furnace is old and requires frequent repairs, consider an upgrade. Modern furnaces have improved safety features and efficiency. We can help you Find Rebates for new equipment to improve safety and lower energy bills.
What Information to Have Ready When You Call for Service
In an emergency, having key information ready helps us respond faster and more effectively.
- Your full name and address.
- A clear description of the problem (e.g., "I smell gas from my furnace").
- Where the odor is strongest and if it's spreading.
- Any sounds the furnace is making, such as hissing or banging.
- Actions you've already taken (evacuated, called 911, etc.).
- When you first noticed the smell.
- If anyone is experiencing physical symptoms like dizziness, headaches, or nausea.
When you ask, "My furnace smells like gas, who should I call for an emergency check in the San Marcos area?", having this information ready helps us get your home safe again quickly.
The Dangers of Delay: Risks of Ignoring a Furnace Gas Smell
It can be tempting to wait and see if a gas smell goes away, but ignoring a gas smell from your furnace is one of the most dangerous decisions you can make. The risks are immediate and potentially life-threatening, which is why the question "My furnace smells like gas, who should I call for an emergency check in the San Marcos area?" demands an urgent response.
Health Risks Associated with Natural Gas Exposure
Natural gas is an asphyxiant, meaning it displaces the oxygen you need to breathe. As it accumulates, it pushes breathable air out of your home.
Early symptoms of exposure are often subtle and flu-like, including dizziness, headaches, nausea, and fatigue. As exposure continues, symptoms can worsen to include breathing problems, confusion, and loss of consciousness. In high concentrations, gas exposure can lead to asphyxiation.
A gas-leaking furnace may also have a combustion problem, producing odorless and colorless carbon monoxide (CO). CO is highly toxic and can be deadly in a short amount of time. If anyone in your home experiences these symptoms with a gas smell, evacuate and seek immediate medical attention.
The Severe Risk of Fire and Explosion
Natural gas is extremely flammable. When it leaks and mixes with air in an enclosed space, it creates a highly explosive environment. Even a tiny spark from a light switch, an appliance, or static electricity can trigger a devastating explosion.
A gas explosion can level a home in seconds, causing catastrophic structural damage and posing a severe threat to human life. The force of the blast, flying debris, and subsequent fire can cause fatal injuries to anyone inside or nearby.
These risks underscore why a gas smell must be treated as a serious emergency. Your safety and your family's well-being depend on taking immediate action. Evacuate first, then call for help. There are no exceptions.
Your Safety Is the Top Priority in a Gas Leak Emergency
In a gas emergency, there is no room for hesitation. If your furnace smells like gas, who should I call for an emergency check in the San Marcos area? The answer is clear: evacuate everyone, call 911 from a safe location, contact your gas utility, and then call a qualified HVAC professional for diagnosis and repair.
Gas leaks are unpredictable, which is why having a trusted local partner is crucial. At Aelott Air Conditioning, we have served the San Marcos, CA area since 1963, taking every gas leak seriously because we know your safety is at stake. Our commitment to honest pricing and a 100% satisfaction guarantee ensures you get a dependable solution.
However, prevention is always better than panic. Annual furnace inspections are the best way to catch potential problems like loose fittings or worn components before they become dangerous emergencies. Think of it as a vital safety check for your home.
Whether you're facing an urgent gas leak or want to be proactive about furnace safety, our team is here to help. Schedule your heating service today and let us help you keep your San Marcos, CA home safe, warm, and worry-free.
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