Number of Zones New Construction Existing Home
---------------- --------------------- ---------------------
Two Zones $1,500 to $1,850 $2,000 to $2,500
Three Zones $1,850 to $2,100 $2,200 to $2,850
Four Zones $2,000 to $2,500 $2,650 to $3,300
Additional Zones $225 to $350 per zone $335 to $500 per zone
Is dual zone heating worth it?
If you answer “yes” to two or more of these questions, dual-zone HVAC is definitely worth looking into. You'll be glad to know zoning can be retrofitted into an existing HVAC system so you don't need to purchase new equipment to take advantage of this technology.