HVAC Replacement Cost in New Hampshire
Estimated 2026 installed range: $4,300 – $10,400
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Open the calculatorCost by system type in New Hampshire
| Option | Low | High |
|---|---|---|
| Central AC only | $4,300 | $10,400 |
| Furnace only | $3,700 | $9,800 |
| Heat pump | $6,700 | $18,300 |
| Full system (AC + furnace) | $7,900 | $24,400 |
| Full system + ductwork | $11,000 | $34,200 |
Local cost factors
Statewide drivers: Northeast conditions and local labor rates. In New Hampshire, bedrock and slope are the dominant cost factors.