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How much does a new furnace cost?

Installed furnace costs vary widely with efficiency tier, home size, and venting complexity — there's no single honest number without a real load calculation and a look at your existing setup. We give every Fox Valley homeowner a written quote with multiple options rather than a phone-quoted price.

The two things that move furnace pricing the most: efficiency tier (a standard 80% furnace costs less installed than a high-efficiency 95%+ model, though the higher tier often earns some of that back in lower gas bills over time) and installation complexity — a straightforward like-for-like swap costs less than a job needing new venting, ductwork changes, or electrical work.

We'd rather give you real numbers on your actual house than a made-up range that doesn't apply to your situation. A load calculation (sizing the furnace to your home, not just the old unit's number) and a look at your current venting takes one visit, and you leave with written options at more than one price point.

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