Heat pumps have come a long way — even in a Chicago winter. But a high-efficiency gas furnace is still a workhorse. Here's how to think about it.
How each handles a Chicago winter
Gas furnace: burns natural gas to deliver strong, hot air no matter how cold it gets outside. Reliable in deep cold and typically lower operating cost when gas is cheap.
Heat pump: moves heat instead of burning fuel, and also cools in summer — one system for both. Modern cold-climate heat pumps work efficiently well below freezing, but in extreme cold their output drops.
The hybrid system (often the Chicago winner)
A "dual-fuel" setup pairs a heat pump with a gas furnace. The heat pump handles efficient heating and all your cooling most of the year; the furnace kicks in automatically on the coldest days. You get efficiency and deep-cold reliability.
What they cost (installed)
- High-efficiency gas furnace: $5,000–$9,000
- Central A/C (to pair with a furnace): $5,500–$10,000
- Cold-climate heat pump system: $8,000–$16,000
- Dual-fuel / hybrid system: $10,000–$18,000
Heat pumps often qualify for federal and utility rebates that can meaningfully cut the net cost — we'll walk you through what's available.
The bottom line
- Have working ducts and cheap gas? A high-efficiency furnace + A/C is hard to beat.
- Want efficiency, cooling, and lower carbon? A cold-climate heat pump — ideally hybrid.
- No ductwork (radiators/boiler)? Ductless mini-split heat pumps are the easy win.
The real answer comes from a load calculation on your home — not a rule of thumb. That's where we start.