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Independent guide
HVAC installation cost
Typical US prices for a whole system. The source and date are next to every number.
Whole HVAC system
| Source | Cost, US | Page date |
|---|---|---|
| Thumbtack | Whole system: $3,725 to $20,449, most often about $11,862 | Sep (year not shown) |
| HomeGuide | Whole system: $5,000 to $11,000, average $8,000 | Aug 2025 |
| Today's Homeowner | Whole system: $5,000 to $12,500, about $7,500 | Sep 2025 |
| This Old House | Whole system: $5,000 to $12,500 | Jun 2026 |
Prices are national, not for a single city. Your quote depends on the size of the home, the equipment and local labor rates.
Why the numbers differ
Each guide uses its own method. Some base their estimates on other sites, such as Angi and HomeAdvisor, and say so on their pages. Two guides can quote different numbers for the same job, so we show them side by side instead of one average.
Describe the problem
What's going on?
Prices on our pages come from the sources linked next to them. How we work