Doon Construction Corp
Windows & Doors services by Doon Construction in Bronx, Queens, and Nassau County

Windows & Doors in NYC

Serving the Bronx, Queens, and Nassau County. Licensed and insured. Free estimates.

New windows and doors improve energy efficiency, security, and curb appeal. Doon Construction Corporation provides professional window replacement and door installation for residential and commercial properties in the Bronx, Queens, and Nassau County.

We install all types of windows including double-hung, casement, sliding, bay, bow, and picture windows. Our energy-efficient options meet or exceed ENERGY STAR standards, reducing heating and cooling costs while improving comfort year-round.

Door installation services include entry doors, storm doors, sliding patio doors, French doors, and interior doors. We work with wood, fiberglass, steel, and aluminum materials, helping you choose the best option for security, insulation, and style.

Every window and door installation includes proper flashing, insulation, and sealing to prevent air and water infiltration. We remove old units, prepare openings, install new products, and finish with interior and exterior trim for a clean, professional look.

What's Included

  • Window replacement and installation
  • Energy-efficient window upgrades
  • Entry door installation
  • Sliding and French door installation
  • Storm door installation
  • Interior door installation
  • Window frame repair
  • Weather sealing and insulation
  • Custom trim and casing
  • Security door and lock installation

Where We Provide Windows & Doors

We offer windows & doors services throughout the New York area:

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For: Windows & Doors

Windows & Doors Questions

How much do replacement windows cost in NYC?

Window replacement in the NYC area costs $400-$1,200 per window installed, depending on window type, size, and material. Energy-efficient double-pane windows average $600-$900 per window. We provide free estimates.

How long does window replacement take?

Most window replacements take 30-60 minutes per window. A full house with 10-15 windows can typically be completed in 1-2 days. We schedule installations to minimize exposure to weather.

Will new windows reduce my energy bills?

Yes. Energy-efficient windows can reduce heating and cooling costs by 15-30%. Double-pane windows with low-E glass and argon gas fill provide the best insulation for NYC's climate.