HVAC Replacement Cost (2026): $8,500–$18,000
2026 HVAC replacement cost: median $12,500 for a 3-ton system. Drivers, signs to replace, and how to evaluate the bid.
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HomeScore forecasts repairs, replacement timing, and total ownership cost across 40+ home systems. Used by 8,200+ buyers, sellers, and long-term homeowners in 2026.