The average window replacement cost is $21,922, though how much it costs to replace windows varies by home. Serving 730+ towns across Massachusetts, New Hampshire and Maine, Coastal Windows & Exteriors is a family-run, woman-owned exterior remodeling company and InstallationMasters-certified window installer with 7,000+ installations completed since 2011. Your price depends on the number of openings, size, glass package, frame material, and style.
What Homeowners Should Know About Window Costs
- Regional average: Window replacement averages $21,922, per JLC’s 2025 report. Get a free estimate this fall, before winter sets in.
- Resale return: Replacement windows recoup about 76% of their cost at resale nationally.
- Bill savings: ENERGY STAR certified windows can cut heating and cooling bills by up to 13%. That matters as heating season starts.
- Incentive check: Massachusetts homeowners can check Mass Save for any current window incentives. Programs change, so confirm before you buy.
- Glass choice: Triple-pane glass has a U-value of 0.20 to 0.30. Double-pane runs about 0.30 to 0.45.
Choosing Windows Before Winter
Top Recommendation: ENERGY STAR certified windows trim heating and cooling bills by up to 13%. Book a free fall estimate for your exact price.
Best for Cold Climate: Triple-pane glass posts a lower 0.20 to 0.30 U-value than double-pane.
Smart for Fall: Replacing now means savings start with your first winter heating bills.
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Still have questions about How Much Does It Cost to Replace Windows Before Winter? See the areas we serve and talk to your local windows contractor.
Last Updated: September 2026
Sources:
- Window replacement averages $21,922 in New England. Remodeling Magazine (JLC Online) 2025 Cost vs. Value Report, New England, regional cost data for window replacement in New England. (2025)
- Replacement windows recoup about 76% of cost at resale. Remodeling Magazine (JLC Online) 2025 Cost vs. Value Report, National, national resale return data for window projects. (2025)
- ENERGY STAR certified windows can cut heating and cooling bills by up to 13%. ENERGY STAR Windows, Doors & Skylights, official guidance on certified window energy savings. (Accessed September 2026)
- Triple-pane windows reach a 0.20 to 0.30 U-value versus 0.30 to 0.45 for double-pane. China North Glass Double vs. Triple Pane Insulating Glass, technical comparison of double and triple pane efficiency ratings. (2025)