Cities / California / Ontario
HVAC Costs, Rebates and Contractors in Ontario, CA (2026)
One page per system, each with the installed range, the rebates and the sources. Every number names the day we read it.
AC Replacement CostA 3-ton central air conditioner runs $4,150 to $9,700 installed, typical $6,900.
Furnace Replacement CostA gas furnace runs $3,750 to $4,800 installed, typical $4,050.
Heat Pump CostA 3-ton heat pump runs $7,450 to $19,250 installed, typical $13,350.
Mini-Split CostA one-zone mini-split runs $4,500 to $10,500 installed, typical $7,500.
Rebates4 programs a Ontario homeowner can use. 1 open now.