Replacing an HVAC system is one of the larger home improvement expenses homeowners may face. Unfortunately, there is no single price that applies to every property. Equipment type, home size, efficiency, ductwork, labor, and installation complexity can all significantly affect the final bill. In 2026, homeowners can generally expect HVAC replacement to cost several thousand dollars. Angi reports that HVAC replacement typically costs between $5,000 and $12,500, with an average around $7,500, although complicated projects with new ductwork and additional features can reach $22,000. This Old House reported an average installation cost of approximately $8,209 based on its 2026 survey…