September 2025 - O'Connor Heating & Cooling

That First-Time Furnace Smell: What’s Normal and What’s a Warning Sign in Your Siouxland Home?

by O'Connor Heating & Cooling | Sep 18, 2025 | Blog

The first-time furnace smell is usually caused by dust and particles burning off the heat exchanger after months of inactivity. This faint, dusty, or burning odor is typically normal and harmless, dissipating within an hour or two. However, smells like rotten eggs,...

That First-Time Furnace Smell: What’s Normal and What’s a Warning Sign in Your Siouxland Home?

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