Carbon Monoxide Poisoning in New York Apartments

Is a Landlord Liable for Carbon Monoxide Poisoning in a New York Apartment?

In most cases yes, because two separate duties failed and both are documented.

The first is the alarm. New York requires carbon monoxide alarms in residential buildings, and building owners have to replace them when the manufacturer's stated useful life runs out.

The second is the equipment. A boiler, furnace, water heater, or flue that vents combustion gas into living space is a maintenance failure with a service history behind it.

Carbon monoxide has no color, no odor, and no taste. People do not wake up. That is what the statutes were written to prevent, and it is why a poisoning is almost never a case about what the tenant should have noticed.

Across New York State roughly 200 people are hospitalized and more than 1,800 visit an emergency department each year for accidental carbon monoxide poisoning.

Call (888) 713-6653 for a free review of your carbon monoxide claim. There is no fee unless we win.

Which Carbon Monoxide Alarm Rules Apply to Your Building

The requirement is not identical everywhere, and the answer depends on what kind of building it is and whether the structure has a carbon monoxide source in it. Working out which category applies is the first step in evaluating a claim.

One point runs through all five. The duty to install is not satisfied by an alarm that was installed once and never touched again. An expired alarm, a unit past its stated life, or a device that was removed during a renovation and never replaced is a failure of the ongoing obligation rather than a technicality.

Where the Carbon Monoxide Alarm Requirement Actually Lives in New York Law

This matters more than it should, because the sections most commonly cited online for this duty are no longer the operative ones, and a claim pleaded on a repealed provision starts on the back foot.

Amanda's Law, the Statewide Floor

New York's residential carbon monoxide requirement took effect on February 22, 2010, through an amendment to Executive Law § 378 that is universally known as Amanda's Law. It was named for Amanda Hansen, a Buffalo teenager who died of carbon monoxide poisoning from a defective boiler during a sleepover in January 2009.^[1] The law requires operable carbon monoxide detectors in one- and two-family dwellings, condominium and cooperative units, and multiple dwellings, where the dwelling has appliances, devices, or systems that may emit carbon monoxide or has an attached garage, and it extended the requirement to restaurants and commercial buildings on the same condition.

The New York City Installation Requirement

Within the five boroughs, the installation requirement runs through § 908.7 of the New York City Building Code and the Department of Buildings rule implementing it. Alarms must be installed in dwelling units in buildings containing a fuel-burning appliance or an attached garage, positioned in the vicinity of sleeping areas so an alarm can wake the people it is protecting, and fuel-fired appliance rooms serving residential buildings carry their own detection requirements.

The Replacement Duty in Administrative Code Article 312

Article 312 of the Administrative Code carries the ongoing obligation. Owners must replace a carbon monoxide alarm when the time since installation exceeds the manufacturer's suggested useful life, and new alarms must comply with UL 2034 and be of a type that emits an audible notification at the end of that life.^[2] The parallel smoke alarm provisions require UL 217 compliance and a non-removable, non-replaceable battery lasting at least ten years.

The Sections That Were Repealed

Housing Maintenance Code §§ 27-2046.1 and 27-2046.2, which set out owner and occupant duties for carbon monoxide detecting devices in class A multiple dwellings, private dwellings, and class B multiple dwellings, were repealed by Local Law 157 of 2016 effective May 1, 2019. Those citations still appear across landlord guidance, tenant handouts, and law firm pages.

None of that changes whether a landlord had a duty. It changes which provision you cite when you plead the breach, and it is a detail worth getting right at the outset rather than in an amended complaint.

The Equipment Failures That Put Carbon Monoxide Into an Apartment

The alarm is the last line. The poisoning itself starts at a piece of equipment, and equipment leaves a service record.

Boilers and Furnaces

Cracked heat exchangers, failed combustion air supply, soot buildup from incomplete combustion, and units run past their service life. Building heating systems produce the largest exposures because they serve every apartment on a riser at once, which is why one failure often injures several households on the same night.

Water Heaters and Blocked or Shared Flues

Corroded vent connectors, disconnected flue pipes, birds' nests and debris in a chimney, and flues shared between appliances that were never designed to share one. A shared flue that backdrafts under negative building pressure is a recurring cause in older walk-up buildings.

Stoves and Ovens Used for Heat

When heat is not provided, tenants use what they have. A gas oven running with the door open in an unventilated apartment produces dangerous concentrations quickly, and the underlying failure is the heat, which is itself a code violation with a complaint history behind it.

Generators, Grills, and Portable Heaters

Generator exhaust drawn into a building during an outage, charcoal grills used indoors, and unvented kerosene heaters. In building-wide outages these exposures cluster, and the question becomes what the owner did about a generator placed near an intake.

Attached and Below-Grade Garages

Vehicle exhaust migrating into apartments above or beside a garage, particularly where a mechanical ventilation system failed or a fire door was propped.

Construction and Renovation Work

Gas-powered saws, compressors, and heaters run inside an occupied building during renovation, and temporary heating equipment set up without ventilation. Where a contractor created the condition, the contractor is a defendant alongside the owner.

Each of these has a paper trail: boiler inspection reports, heating system service invoices, chimney and flue inspection records, HPD heat complaints, Department of Buildings violations, and utility service tickets. Con Edison and National Grid also generate records when they respond to a gas or carbon monoxide call, and those records are dated.

What Carbon Monoxide Does to the Brain and the Heart

Carbon monoxide binds to hemoglobin far more readily than oxygen does, which starves tissue of oxygen and damages the organs that tolerate it least. The brain and the heart are the two that matter most in a claim.

• Acute symptoms that look like something else. Headache, dizziness, nausea, confusion, and weakness are routinely diagnosed as flu, migraine, or food poisoning, particularly in winter. A whole household with the same symptoms at the same time is the tell, and it is frequently missed.
• Loss of consciousness and death. At higher concentrations, or during sleep, without any warning stage.
• Cardiac injury. Myocardial injury and arrhythmia during the exposure, with elevated long-term cardiac risk afterward.
• Delayed neurological sequelae. The consequence most often missed. Days to weeks after an exposure that appeared to resolve, a person develops memory impairment, personality change, difficulty concentrating, movement disorders, or depression. Someone discharged from an emergency department feeling fine can deteriorate later, and the connection is frequently never made.
• Injury to a pregnancy. Fetal hemoglobin binds carbon monoxide even more avidly than adult hemoglobin, so exposure during pregnancy carries risks distinct from the mother's own.
• Injury to children. Higher respiratory rates and smaller body mass mean children absorb more and show effects sooner.

Two practical points follow. Ask for a carboxyhemoglobin level, because it documents the exposure and it falls quickly with time and oxygen. And take any new cognitive or neurological symptom in the weeks after an exposure seriously, because delayed sequelae are real, they are well described in the literature, and an insurer will treat an undocumented gap as proof that nothing happened.

What a Carbon Monoxide Poisoning Claim Can Recover

New York does not cap compensatory damages, and in poisoning cases the largest element is frequently the one that was not obvious at discharge.

• Medical expenses. Emergency care, hyperbaric oxygen therapy where indicated, hospitalization, neurological and cardiac follow-up, neuropsychological testing, and long-term treatment.
• Lost income and earning capacity. Particularly where cognitive effects change what work is possible.
• Pain and suffering. Covering the acute event, the fear during it, and the persistent effects afterward.
• Cognitive rehabilitation and future care. The core of a delayed sequelae case, and the element most often left out of an early settlement offer.
• Loss of enjoyment of life. The independence, memory, and daily function the exposure took.
• Loss of consortium. A spouse's separate claim.
• Wrongful death and survival damages. Where someone died, with the estate's pecuniary loss claim and a separate claim for conscious pain and suffering before death.

Be careful about early offers in this category. A carbon monoxide claim settled in the first weeks, before neuropsychological testing has been done, is frequently settled for the value of an emergency room visit when the real injury has not declared itself yet.

The Two Records a Carbon Monoxide Case Is Won On

A carbon monoxide case is won on two records that both have to be requested: the alarm history and the equipment service file. Neither arrives on its own, and both get harder to obtain as time passes.

• A Queens office in a borough of walk-ups and two-families. Steinway Street in Astoria, with a Midtown Manhattan office by appointment.
• The right provisions pleaded. The statewide requirement, the Building Code installation rule, and the Article 312 replacement duty, rather than sections repealed in 2019.
• The equipment preserved. Written demand that the boiler, water heater, flue, and alarms be retained and not repaired or replaced before inspection.
• Delayed effects documented. Neuropsychological evaluation and follow-up, because the injury that shows up three weeks later is the one that carries the claim.
• Built for a courtroom, resolved at a table. Most cases settle. They settle for more when the other side believes the alternative is real.
• A record across 40,000 cases. More than $100 million recovered, a 98% recovery rate, free consultations 24/7, and no fee unless we win.