Drafty windows lose heat through gaps, failed seals, and aging frames. Sealing leaks, upgrading weatherstripping, or window replacement are the three best fixes.
Drafty windows lose heat through gaps, failed seals, and aging frames. Sealing leaks, upgrading weatherstripping, or window replacement are the three best fixes.
Proven Ways to Fix Cohasset Drafty Windows
- Identify the Leak Source First: A candle, incense stick, or simple hand test reveals where drafts enter. Most leaks cluster at the sash meeting rail and frame edges.
- Seal the Building Envelope: Sealing minor envelope gaps can cut air leakage by 25 to 30 percent. Caulking and weatherstripping make a real difference.
- Upgrade to Modern Weatherstripping: Our windows include triple weatherstripping at every point of contact. That beats any aftermarket seal sold at the hardware store.
- Consider Window Replacement: If your frames are warped, seals broken, or glass foggy, replacement is the lasting solution. Band-aid fixes rarely hold through a Cohasset winter.
- Look for a Tight Air Infiltration Rating: Our 0.1 CFM rating is among the best in the marketplace. Drafts cannot penetrate a correctly installed Energy Star 7.0 window.
- Focus on Complete Envelope Upgrades: Adding insulation alongside new windows maximizes efficiency. Eighty-nine percent of U.S. homes are under-insulated.
- Schedule a Professional Assessment: Our window repair in Cohasset, MA begins with a full leak assessment. Many homes benefit from replacing just the worst offenders first.
Your Best Draft-Stopping Options for Cohasset
Top Recommendation: Full vinyl window replacement in Cohasset, MA with Energy Star 7.0 products and Installation Masters certified installation.
Great for Immediate Relief: Fresh weatherstripping and caulking at visible gap points around existing frames.
Best for Partial Budgets: Window repair in Cohasset, MA for the worst offenders now. Plan full replacement within 12 to 24 months.
Ready to stop the drafts before next winter? Contact us for a free window assessment today.
Request a free window estimate from Coastal Windows & Exteriors.
Browse our complete window FAQ guide from Coastal Windows & Exteriors.
Explore our Window Exterior Remodeling Home Improvement Help Center.
Last Updated: April 2026
Sources:
- Air leakage in single-family homes can be reduced by an average of 25 to 30 percent through sealing minor gaps and holes. Journal of Building Engineering Peer-Reviewed Study, peer-reviewed study on residential air leakage and building envelope improvements. (Accessed April 2026)
- 89% of homes in the U.S. are under-insulated. Insulation Institute ICF Report, industry research on under-insulation in American homes. (2024)
