Window Replacement in Herndon, VA.
Older windows let in drafts, noise, and moisture. Nexa Exteriors replaces windows in Herndon with modern, energy-efficient units sized to your openings and sealed to keep the weather out.













When should I replace windows in my Herndon home?
Replace windows in Herndon when you feel drafts, see fog between the panes, notice rotting frames, or struggle to open and lock them. Most original windows in homes built before 2000 are good candidates.
Window Replacement for Herndon homes
Herndon's neighborhoods include many homes from the 1970s through the 1990s, a prime age for new roofs, siding, and windows. Local permit rules come from Fairfax County Land Development Services, and we check and pull any permit your job needs.
What's included
- In-home measurement and options
- Removal and disposal of old windows
- Flashing, insulation, and sealing
- Trim and caulking finished
- Full cleanup
- 25-year workmanship warranty

Your inspection is with Sal, the owner.
No high-pressure salespeople. Sal walks your roof, shows you exactly what he finds, and gives you honest options and a written estimate.
Book with SalWindow Replacement near Herndon
More services in Herndon
- Roof Replacement in Herndon
- Roof Inspections in Herndon
- Storm Damage Roof Replacement in Herndon
- Siding Replacement in Herndon
- Gutter Installation in Herndon
- Gutter Replacement in Herndon
- Window Installation in Herndon
- Door Installation in Herndon
- Door Replacement in Herndon
- Insurance Claim Assistance in Herndon
All Herndon services → · Window Replacement across Northern Virginia →
Window Replacement in Herndon: FAQs
Full-frame or insert replacement?
Insert windows fit inside your existing frame when it's solid. Full-frame replacement is best when frames are rotted. We'll inspect and recommend.
How long do replacement windows last?
Quality vinyl and composite windows commonly last 20 to 30 years or more.
Can I replace just a few windows?
Yes. Many Herndon homeowners replace the worst windows first and do the rest later.
Do you offer financing for windows?
Yes. Financing is available through Momnt, subject to credit approval.
See what your neighbors are saying.
“I had 8 other contractors come out but I couldn't just trust anyone and then Sal the inspector/owner came out and was very friendly, easy to get along with and kept all of his promises. They did an amazing job, gave me a competitive price… They cleaned up and did the job in less than a day.”
“Sal came out and showed us several options and pricing. Once we signed our contract we had our roof done within a few weeks. The crew was fast, clean and professional.”
“Sal was a great contractor to work with. I requested a quote, he called right away and scheduled an appointment. Very competitive pricing, great communications! Highly recommend.”
Read all our reviews on Google → Some reviews mention our former name, My Exterior.
Get window replacement in Herndon.
Get a free inspection and a written estimate. A 25-year warranty on workmanship and a lifetime warranty on materials. Peace of mind, guaranteed.
703-705-7224Monday–Friday: 8:00 am – 7:00 pm
Saturday: 9:00 am – 4:00 pm
Sunday: Closed
Get your free estimate
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