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Window Replacement Cost in 20 US Cities (2026)

Replacement of existing windows with new energy-efficient units.

National Average (per window)
Low
$300
Average
$750
High
$1,500

Window Replacement Cost Breakdown

ItemDescriptionLowHighUnit
Window unitDouble-hung or casement vinyl/wood window$150$800per window
Low-E glass upgradeEnergy-efficient low-emissivity coating$25$75per window
Trim & casingInterior and exterior trim around window$20$100per window
Insulation & flashingSpray foam insulation and weatherproof flashing$15$40per window
LaborWindow installer (removal and installation)$100$300per window
PermitsBuilding permit if required for window changes$0$200flat

* These are national average costs. Actual prices vary by city — select a metro below for local estimates.

Replacement of existing windows with new energy-efficient units.

Window Replacement Cost by City