May. 16th, 2026
HVAC installation in Boise typically costs $5,500 to $13,000 for a full replacement using existing ductwork. Smaller one-system jobs, like replacing only a furnace or central AC, may run $3,000 to $8,500, while first-time central HVAC installation with ductwork can reach $10,000 to $20,000+. Boise pricing depends on system type, home size, duct condition, efficiency level, electrical or gas work, permit requirements, and whether the home is in Boise, Meridian, Eagle, Kuna, Nampa, or another Treasure Valley service area. The prices in this guide are general estimates based on typical project ranges, local market factors, and publicly available pricing signals. Actual costs can vary depending on your project, provider, materials, timeline, an…