Carbon Monoxide Poisoning in Hotels and Motels

November 10, 2025 | By Presley and Presley Trial Lawyers
Carbon Monoxide Poisoning in Hotels and Motels

Most travelers check into a hotel or motel expecting peace, comfort, and safety. A warm bed, a quiet night, and the security of knowing that the building is maintained by management who take guest safety seriously. But sometimes, what guests don’t see, hear, or smell can be the greatest danger. Carbon monoxide is a silent, odorless gas that can spread unnoticed through walls, vents, or air systems. When a hotel fails to maintain its equipment or install required alarms, guests may be exposed to a gas that offers no warning until it has already caused harm.

Carbon monoxide poisoning in hotels and motels should never be dismissed as an unavoidable accident. In many cases, it is the result of negligence. This could be management ignoring safety codes, failing to inspect heating equipment, or choosing not to install alarms that could save lives.

Victims and families deserve answers, accountability, and the opportunity to pursue justice. If you or a loved one suffered harm from suspected carbon monoxide exposure while staying in a Missouri hotel or motel, speak with a personal injury lawyer today during a free consultation about your options.

Key Takeaways

  • Carbon monoxide (CO) is an odorless, colorless gas that can be deadly. In a hotel or motel setting, it can be produced by faulty furnaces, water heaters, or other gas-powered appliances.
  • Victims of carbon monoxide poisoning in a hotel may have a legal claim against the hotel owner or management under premises liability and negligence laws.
  • Missouri law requires carbon monoxide alarms in many new and existing multi-family dwellings, dormitories, hotels, and motels.
  • Prompt action is crucial. The statute of limitations in Missouri for a personal injury claim is generally five years, but for wrongful death claims, it's typically three years. However, waiting can hurt your case.

What Is Carbon Monoxide And Why Is It So Dangerous?

Hotel guests rarely think about heating systems, water heaters, or ventilation ducts. But when these systems fail, they can quietly release carbon monoxide into guest rooms.

Understanding the Silent Killer

Carbon monoxide is a gas you can’t see, smell, or taste. It forms when carbon-based fuels like propane, gasoline, natural gas, or wood don’t burn completely. Once inhaled, it moves into the bloodstream and binds to red blood cells faster than oxygen. This prevents oxygen from reaching vital organs, which can cause serious injuries or even death.

Here’s what you need to know:

  • It binds to hemoglobin: Hemoglobin carries oxygen in the blood. Carbon monoxide takes its place, starving the body of oxygen.
  • It builds up indoors: Poorly ventilated rooms or malfunctioning appliances allow CO to accumulate.
  • Even low levels are harmful: Long-term exposure to low concentrations can cause memory loss and neurological problems.
  • Children and older adults are most at risk: Their bodies can’t process oxygen deprivation as well, which makes them more vulnerable.

Carbon monoxide is sometimes called the “invisible killer” because victims often have no idea they are being poisoned until symptoms become severe. Unlike a fire, which produces smoke, or a gas leak that carries a distinct odor, CO builds silently in enclosed spaces. Guests may go to sleep in what seems like a safe hotel room and never wake up.

Doctors explain that the gas can affect every organ system. The brain may suffer hypoxic injury, the heart may strain under oxygen deprivation, and other organs may fail. In many cases, survivors live with ongoing health issues that change their daily lives.

Common Sources in Hotels

Hotels and motels use many appliances and systems that can release carbon monoxide if they aren’t inspected or maintained. These include:

  • Furnaces and boilers that heat large sections of the property
  • Water heaters serving guest rooms or laundry facilities
  • Fireplaces or gas-powered heating units in individual rooms
  • Pool heaters, especially in indoor pool facilities
  • Exhaust leaks from attached garages or parking areas

One common scenario involves pool heaters in enclosed areas. These units often run for long hours to keep water warm and can leak carbon monoxide into nearby guest rooms. Another scenario involves faulty ventilation connected to central furnaces. A blocked vent may force exhaust gases into hallways and rooms. When hotels don’t test and maintain these systems, every guest inside is put at risk.

Who Is Responsible For Carbon Monoxide Poisoning In A Missouri Hotel?

Carbon monoxide exposure rarely happens without warning signs somewhere in the system. Most cases involve a hotel cutting corners or disregarding clear safety obligations.

Proving Negligence and Premises Liability

Hotels and motels in Missouri owe guests a duty of care. That means they must take reasonable steps to keep their premises safe. When management fails to inspect, repair, or warn about dangerous conditions, they may be liable under premises liability law.

Negligence in a hotel carbon monoxide case often involves:

  • Failing to install or maintain working CO detectors
  • Ignoring building codes that require alarms
  • Skipping routine checks of furnaces, boilers, and appliances
  • Allowing known maintenance issues to go unfixed
  • Not evacuating guests promptly after learning about a leak

Responsibility may not fall on hotel management alone. Property owners, contractors who serviced the equipment, and manufacturers of defective appliances may also share liability. For example, if a boiler was recently repaired and the contractor failed to reconnect exhaust systems properly, that contractor could be named in a lawsuit. If a water heater contained a defect that allowed fumes to escape, the manufacturer may also be held accountable.

Insurance companies often step in to protect the hotel from liability. Their lawyers may argue that symptoms were caused by food poisoning or an unrelated illness, not carbon monoxide. They may downplay the severity of the exposure or blame victims for not recognizing warning signs sooner. These tactics can make it harder for families to recover compensation without legal help.

The Role of Missouri Law

Missouri does not have a single statewide building code, but many local municipalities do. However, Missouri passed a law requiring carbon monoxide alarms in certain properties, including:

  • Newly constructed hotels and motels
  • Existing hotels and motels undergoing significant renovations
  • Dormitories and multi-family dwellings

A hotel’s failure to comply with these rules can serve as strong evidence in a negligence lawsuit. Even when detectors are installed, hotels must maintain them properly. A detector without working batteries is no better than having no detector at all. Courts often view a lack of working alarms as reckless behavior, especially since detectors are inexpensive and widely available.

What Types Of Injuries Can Result From Carbon Monoxide Poisoning?

Carbon monoxide exposure affects every person differently depending on the level and length of exposure. Some recover with medical treatment, while others suffer permanent damage.

The Health Impacts

The first signs of poisoning often mimic the flu, which can cause victims to dismiss their symptoms until the exposure worsens. Common symptoms include:

  • Headache
  • Nausea and vomiting
  • Dizziness or lightheadedness
  • Weakness and fatigue

With more severe exposure, victims may suffer:

  • Loss of consciousness
  • Seizures
  • Memory problems or confusion
  • Brain damage
  • Damage to the heart and other organs
  • Wrongful death

Doctors often diagnose CO poisoning with a blood test that measures carboxyhemoglobin levels. Prompt treatment with oxygen or a hyperbaric oxygen chamber can save lives, but delayed treatment may lead to permanent injury.

Long-term effects are often underestimated. Survivors may struggle with:

  • Cognitive issues: Problems with memory, attention, or concentration that make it harder to work or study.
  • Emotional changes: Anxiety, depression, or irritability linked to brain injury.
  • Cardiac damage: Reduced heart function or irregular rhythms that may require lifelong monitoring.
  • Movement disorders: Muscle weakness, tremors, or balance problems similar to those seen in Parkinson’s disease.

These conditions may not appear immediately. Some victims experience delayed neurological symptoms days or weeks after the exposure, which complicates both diagnosis and treatment. Families often describe a loved one who seems to recover, only to decline weeks later with unexplained memory loss or confusion.

Seeking Compensation for Damages

Victims of carbon monoxide poisoning may pursue compensation through a personal injury claim. In Missouri, damages typically fall into two categories:

  • Economic damages: These cover measurable financial losses, such as medical bills, future medical care, lost income, and rehabilitation costs.
  • Non-economic damages: These cover harder-to-measure harms like pain, suffering, and long-term loss of quality of life.

Families who lose a loved one may also bring a wrongful death claim, which can include funeral expenses and loss of companionship. Courts may also consider how the loss impacts children, spouses, and dependents financially and emotionally.

Is There A Time Limit To File A Carbon Monoxide Poisoning Lawsuit In Missouri?

The law gives victims a set amount of time to bring a claim. Missing that deadline usually means losing the right to pursue compensation.

The Statute of Limitations

In Missouri, the general statute of limitations for personal injury cases is five years from the date of the injury. Wrongful death cases must be filed within three years from the date of death.

Why You Shouldn’t Wait

Even with these deadlines, waiting too long can hurt your case. Evidence disappears. Witnesses forget details. Hotels may even remodel or replace equipment, erasing proof of negligence. Starting early allows your lawyer to investigate thoroughly, preserve key documents, and build the strongest possible claim.

In some cases, the discovery rule may apply. This means the clock doesn’t start ticking until the victim knew, or should have known, that carbon monoxide caused their injury. For example, someone who became ill at a hotel but didn’t receive a diagnosis until months later may still have time to file. However, these exceptions are narrow, so prompt action remains the safest course.

How Our Attorneys Can Help

Carbon monoxide cases involve unique challenges. Hotels often fight hard to deny liability, and insurance companies may try to minimize payouts. Presley and Presley Trial Lawyers knows how to push back and protect victims.

Our attorneys can:

  • Conduct a thorough investigation: We work with engineers and safety professionals to trace the source of the leak and confirm whether faulty equipment, poor maintenance, or code violations caused the problem.
  • Gather critical evidence: We secure maintenance logs, inspection reports, city code requirements, and witness statements to prove negligence.
  • Handle all communication: We speak directly with the hotel’s lawyers and insurance company so you can focus on recovery.
  • Pursue full compensation: We document every financial and personal loss, then fight to recover damages for medical expenses, lost income, and the long-term impact of the poisoning.

In addition to building the case, our attorneys provide support throughout the process. Many clients feel overwhelmed by medical bills and lost income. We help organize records, calculate future care needs, and explain every step of the legal process. 

If settlement discussions stall because the hotel or insurer refuses to accept responsibility, we prepare the case for trial. By showing readiness to go to court, we increase pressure on defendants to negotiate fairly.

Frequently Asked Questions About CO Poisoning in Hotels

What should I do if I suspect carbon monoxide poisoning in a hotel?

Leave the area immediately, call 911, and get to fresh air. Seek medical treatment right away. Once you’re safe, consider speaking with an attorney.

Can I still file a lawsuit if there were no carbon monoxide detectors in the hotel room?

Yes. The absence of required detectors often strengthens a negligence case. Local codes and safety standards help prove liability.

What if the hotel blames the manufacturer of the appliance?

Liability may involve more than one party. A hotel may share blame with the manufacturer of a defective furnace, water heater, or other appliance.

What evidence is needed to prove a carbon monoxide poisoning case?

Key evidence includes medical records, toxicology results, police or fire reports, witness accounts, and building maintenance records.

I’m not sure if I was exposed. What are the symptoms?

Headaches, dizziness, nausea, and shortness of breath are early warning signs. Prolonged exposure may cause confusion, fainting, chest pain, or memory problems.

Let Our Carbon Monoxide Injury Attorneys in Missouri Help

Every day of delay risks evidence being lost. Presley and Presley Trial Lawyers understands how devastating these cases are and how much is at stake for victims and families. Our team takes immediate steps to investigate, preserve evidence, and hold hotels accountable for putting guests at risk.

If you believe you or a loved one suffered carbon monoxide poisoning in a Missouri hotel or motel, don’t wait. Contact Presley and Presley Trial Lawyers today for a free, no-obligation consultation.