10 Furnace Safety Tips Every Homeowner Needs this Winter

Published 12/17/2024

Winter is when your furnace works hardest to keep your home warm. However, improper maintenance or usage of heating systems during the colder months can lead to safety hazards. This includes fire risks and exposure to harmful gases like carbon monoxide. You can protect your family by following proven furnace safety tips and ensuring your system operates efficiently throughout the winter. Here are 10 safety practices every homeowner should adopt this winter.

1. Clear the Area Around Your Furnace

Keeping the area around your furnace free of clutter reduces fire risk, mainly during winter when the system is used more often. Items like paint cans, paper, and cleaning supplies can ignite if stored too close to the furnace. According to the National Fire Protection Association (NFPA), heating equipment is the leading cause of U.S. home fires between December and January. Clearing extra space around your furnace helps prevent fires and improves ventilation.

2. Schedule Professional Inspections

Having a licensed HVAC technician inspect your furnace annually is generally recommended. It is ideal to schedule this before winter begins. Regular inspections can identify potential hazards, such as cracks in the heat exchanger. Neglecting to take necessary precautions can result in carbon monoxide leaks and will require furnace repair. These inspections should also include a furnace maintenance checklist to ensure all components are in optimal condition.

3. Replace Air Filters Regularly

Clogged air filters happen more often in winter because the furnace works harder. This can result in the system overheating because of the restricted airflow. It's recommended to replace filters every 30-60 days to ensure efficiency. Having clean air filters also improves indoor air quality, which is important during winter months when windows are closed and sealed. Including filter maintenance in your furnace cleaning routine is necessary for optimal performance.

4. Install Smoke and Carbon Monoxide Detectors

During winter, smoke and carbon monoxide detectors are important devices in your home. Carbon monoxide (CO) is a colorless and odorless gas that can cause symptoms like dizziness or even result in death with prolonged exposure. According to the Centers for Disease Control and Prevention (CDC), over 400 Americans die annually from unintentional CO poisoning not linked to fires, with many cases occurring in winter. It's a good idea to install detectors near bedrooms, the furnace area, and every floor of your home. A professional furnace cleaning service can further ensure your heating system operates safely.

5. Check Flue Openings

Furnaces require proper ventilation to function safely. Poor airflow can cause dangerous gas buildup, including carbon monoxide. Flue openings are an integral part of the furnace's exhaust system. During winter months, debris like bird nests, leaves, or ice can block these openings. You can use a flashlight to check for visible debris or hire a professional to get a more thorough inspection.

6. Keep Vents and Registers Unobstructed

Blocked vents or registers can lead to uneven airflow. This forces your furnace to work harder and can potentially cause internal damage. During winter, make sure furniture, rugs, or other items aren't blocking your vents. This helps warm air move evenly through your home.

7. Address Water Leaks Promptly

Water leaks around your furnace can cause rust and corrosion. This will likely compromise the safety and efficiency of components like the heat exchanger. Heat exchangers are responsible for transferring heat from the combustion process to the air flowing throughout your home. In winter, leaks are more likely to occur due to frozen pipes, and this moisture creates an environment for mold growth. Avoid costly repairs by scheduling furnace cleaning and inspecting the area for signs of water damage.

8. Clean Around the Furnace Regularly

Having dust near your furnace might seem like a small concern, but dust accumulation will be much more problematic than most homeowners realize. Dust particles can ignite at surprisingly low temperatures, often ranging from 160°F to 200°F. Vacuuming will help keep dust out of the air. It's also good practice to clean your utility closet to prevent the space from becoming a fire hazard. Thorough furnace cleaning will make sure all components remain safe from dust-related risks.

9. Develop an Emergency Plan

Winter is the prime season for heating system emergencies, such as gas leaks or furnace-related fires. A family emergency plan is critica and all household members should know how to react and respond. Things to include in your emergency plan are:

• Locate and shut off the gas and power supply
• Establish a fire escape plan and practice using it
• Designate a meeting point outside your home
• Make sure all members know the phone number emergency services

10. Rely on Professional Cleaning

While basic maintenance can be done by homeowners, professional furnace cleaning ensures that all critical components are thoroughly inspected and cleaned. Mr. Duct has a professional furnace maintenance checklist that includes removing dirt and debris from the furnace filter, burners, and blower motor. Our services include cleaning flame sensors, inspecting the heat exchanger for corrosion, and testing for gas leaks.

Choose Mr. Duct for Your Furnace Cleaning Needs

When it comes to keeping your furnace in peak condition, trust Chicagoland's leading HVAC contractor, Mr Duct. Our professional furnace cleaning service is designed to prevent breakdowns and improve efficiency. Annual cleaning not only ensures a comfortable winter but may also be required to maintain your furnace's warranty. Schedule your furnace cleaning today with Mr. Duct, and experience why we're Chicagoland's premier choice for HVAC maintenance.