As temperatures drop in New Hampshire and more residents turn on their heating systems for winter, state officials urge everyone to take precautions to prevent house fires.
Sean Toomey, New Hampshire’s state fire marshal, reports that there have been 14 deaths from residential fires in 2025 so far. While this number is down from last year’s 23 deaths—which was double the average over previous years—it still represents a higher-than-usual occurrence of fatal fires.
“The overall trend that has continued for the last several years is the lack of working smoke alarms,” Toomey said.
### Importance of Smoke and Carbon Monoxide Alarms
Toomey recommends testing smoke and carbon monoxide detectors once a month to ensure they are functioning properly. This is especially important because most fatal fires in New Hampshire occur overnight.
For renters, building owners are responsible for maintaining fire and carbon monoxide alarms in good working condition.
### Understanding the Risks of Carbon Monoxide
Heating equipment that uses oil, wood, or gas can release carbon monoxide if combustion is not complete. Carbon monoxide is invisible, odorless, and can be deadly.
“The bottom line is, you’re not going to detect carbon monoxide unless you have an alarm,” Toomey emphasized.
Symptoms of carbon monoxide poisoning include headaches, dizziness, weakness, nausea, sleepiness, and confusion. If you experience these symptoms, get outside immediately and call 9-1-1.
### Heating System Maintenance and Safety Tips
Proper maintenance of heating systems can reduce fire risks. When using heating equipment, remember to keep anything flammable at least three feet away from heat sources.
Backup generators should be kept outdoors and at least 20 feet away from windows and doors.
When defrosting cars on cold mornings, do so outside of garages and away from any areas where exhaust can enter a building.
### Additional Fire Safety Reminders
Last year, smoking while using an oxygen tank was a major cause of fire deaths. Toomey advises not to smoke while on oxygen and to dispose of cigarettes properly.
It is also essential to have an escape plan. Know at least two different ways to leave your home in case of fire, and establish a meeting place where everyone can gather to ensure all family members are accounted for.
“Have a plan,” Toomey said.
By following these safety tips, New Hampshire residents can help protect themselves, their families, and their homes throughout the colder months.
https://www.nhpr.org/nh-news/2025-11-10/as-winter-heating-season-begins-nh-safety-officials-have-tips-on-avoiding-house-fires