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Fireplace safety

Fireplaces and Furnaces: Hidden Dangers Before You Light Up

November 2, 2025 by Blas Calvillo

When cold weather hits, nothing feels better than a warm fire or a toasty heater humming in the background. But behind that cozy comfort can lurk real hazards — the kind that can go unnoticed until it’s too late. A quick seasonal check can keep your home safe and your air breathable.

1. Chimneys Need More Than Just a Sweep

Over time, soot and creosote build up inside your chimney. That sticky residue is flammable, and all it takes is one spark to ignite it. Annual cleanings and inspections help prevent chimney fires and reveal cracks, blockages, or damaged flue liners that could send smoke — or worse, carbon monoxide — back into your home.

2. Don’t Ignore the Furnace

Your furnace might seem like a reliable workhorse, but without proper maintenance, it can develop cracks or leaks that release carbon monoxide. Filters clog, vents corrode, and systems overheat — all silently. A professional inspection checks for these issues before they turn into emergencies.

3. The Invisible Threat: Carbon Monoxide

Carbon monoxide (CO) is odorless, colorless, and deadly. It can build up from malfunctioning fireplaces, furnaces, or even attached garages. Every home should have working CO detectors near bedrooms and living spaces. Test them monthly and replace batteries twice a year.

(Yes, we know it’s one more thing to remember — but your lungs will thank you.)

4. Ventilation Matters

Proper airflow keeps your heating system efficient and safe. Blocked or closed vents cause uneven heating and put extra strain on your furnace. If you notice hot and cold spots in your home, it could be a sign something’s off in your ductwork or ventilation system.

5. Schedule a Safety Inspection Before Winter

An inspection from B.C. Home Inspections can identify cracks in your furnace, leaks in your venting, or chimney hazards long before you strike a match. We check heating systems, ventilation, insulation, and other components that keep your home safe and warm.

Bottom line: A cozy home shouldn’t come with hidden dangers. Take a little time to prepare before lighting that first fire or turning up the thermostat. Your safety — and peace of mind — are worth it.

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Filed Under: Energy, Inspection, Security Tagged With: BC Home Inspections, Fireplace safety, Home Inspections, Lake County CA, Mendocino County Ca, Safety tips

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