Maximum $8,000/year. Unused room carries forward (max $8K from prior year).
You might also find these helpful
RRSP Home Buyers Plan Calculator
Stack RRSP HBP on top of FHSA for maximum down payment
Down Payment Savings Calculator
Project total savings combining FHSA and other accounts
CMHC Insurance Calculator
Larger FHSA-funded down payment reduces CMHC premiums
