High-Quality Window Installation & Replacement

Manassas and Neighboring Areas in Northern Virginia, Maryland, and D.C.


Windows add aesthetic and functional appeal to every home and commercial building. Letting in extra light has positive effects on the human body and mind. However, cracked, broken, or otherwise inefficient windows end up wasting homeowners and business owners money in high energy bills. That’s why Christian Siding LLC offers high-quality window replacement in Manassas and other areas around Northern Virginia.

Professional Window Installation Services:

We install windows of the highest quality from superior manufacturers.

Why New Windows

Replacing your home’s old, drafty windows with beautiful, energy-efficient Northern Virginia replacement windows from Christian Siding is a very smart investment! Here are five great reasons to install replacement windows in your home.

  1. Cut monthly heating and cooling bills by up to one-third
  2. Stay warmer all winter and cooler all summer
  3. Reduce exterior noise infiltration
  4. Eliminate window maintenance
  5. Enhance the curb appeal of your home
Make the call to Christian Siding today to start the process of upgrading your tired old windows with new, energy-efficient replacement windows.


Windows manufactured from vinyl represent the largest market share in the replacement window business. High-quality structural vinyl is affordable, strong and provides very good energy savings, with moderate to high R-values to help reduce heating and cooling costs.

  • Economical cost
  • No painting or maintenance required
  • Outstanding energy efficiency
  • Wide variety of styles
  • Custom fit and sizing

Window Styles

Replacement window styles and types

Single / Double Hung

  • Sashes slide vertically
  • In a single-hung window, only the bottom sash moves

Slider

  • One or both sashes slide horizontally
  • Ideal for small spaces

Casement

  • Hinges are located on one side
  • Opens outward

Awning

  • Hinged at the top
  • Opens outward

Bay / Bow

  • Combination of three or more units that curve outward
  • Used to increase views and natural light
  • Adds architectural interest

Picture

  • Large, stationary panel
  • Often used in combination with other windows

Garden

  • Box-style window that extends outward from a wall
  • Creates a sunny spot for plants

Bay Window Extensions

  • Extensions of bay windows outwards
  • Often used in combination with other windows
  • Allows more light to come into home as well as expands living space

Our Certifications and Licenses

  • Class A General Contractor License
  • Fully Insured – $7M Liability Bonded
  • Certainteed 5 Star Certified
  • Dunn and Brandstreet
  • BBB A+ Rating
  • EPA Certified
  • OSHA Certified

  • VSI Certified
  • James Hardie Preferred
  • Compliance Depot
  • RMIS Compliant
  • SBA
  • LEAD Certified
  • GAF Master Elite Certified