Real installed prices for a new gas furnace, all-in. Most replacements pair the furnace with the AC as a matched system - a furnace-only swap runs less.
4.9 · 515 Google reviews
| System | Best for | Installed |
|---|---|---|
| Single-Stage 80% | Reliable, lowest upfront | $9,182 - $12,863 |
| Two-Stage 80% | Steadier heat, quieter | $12,449 - $17,108 |
| Modulating | Most even, most efficient | $13,180 - $17,181 |
| Heat Pump (all-electric) | Skip gas, one system | $9,191 - $18,881 |
Prices are for a matched gas furnace and AC - the common replacement when both are aging. A furnace-only swap that keeps your AC costs less; we quote that flat after a quick look. Your exact price comes from a load calculation, in writing, before work starts.
Furnaces are sized to the home and the AC they pair with. Real sizing comes from a load calculation - these are ballpark ranges.
| Size | Approx. home size | Installed |
|---|---|---|
| 2 ton | up to ~1,200 sq ft | $9,464 |
| 2.5 ton | ~1,200 - 1,500 sq ft | $9,842 |
| 3 ton | ~1,500 - 1,900 sq ft | $10,508 |
| 3.5 ton | ~1,900 - 2,200 sq ft | $11,525 |
| 4 ton | ~2,200 - 2,700 sq ft | $12,044 |
| 5 ton | ~2,700 - 3,300 sq ft | $12,863 |
Single-stage 80% gas furnace matched with a new AC. Two-stage and modulating systems price higher. A furnace-only replacement is quoted separately.
Replacing just the furnace costs less than a matched furnace and AC. If both are aging, doing them together usually saves in the long run.
An 80% furnace is the reliable standard here. High-efficiency 90%+ costs more upfront and pays back slower in a mild-winter climate.
Single-stage is the workhorse. Two-stage and modulating give steadier, quieter heat for more upfront.
Duct condition and flue or venting work can move the number. The free in-home visit catches this before you commit.
5.0★ · 515 Google reviews
Free in-home load calculation. Written, flat-rate, no obligation.