11 reports. Useful first pass, but one outlier can still shift the range.
3 Ton HVAC System Replacement Cost in the NeighborPrices database
Read what 11 homeowners actually wroteA 3 ton HVAC system replacement typically costs between $5,500 and $15,000, with most homeowners paying around $8,000. According to local pricing data from 11 reported projects, you can expect the middle 50% of costs to fall between $7,050 and $11,750.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $5,750.00 and $15,000.00 (5th–95th percentile). Ignoring 1 low outlier.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 8, 2026.
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The underlying prices behind this page.
Purchased two units, a 3-ton and a 2-ton, for upstairs and downstairs. The total cost was $11k, including installation and registration with the manufacturer.
Paid around 14-16K for a 3 ton Lennox system after rebates and discounts.
Real homeowner write-ups, locked.
"Got quoted $8k for a 3 ton AC system replacement on a double wide mobile home."
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