CYBER WEEK: 25% Off All Products + Financing Up To 20 Years
Serving 545+ Towns in MA, NH & ME - Check Your Town »
CYBER WEEK: 25% Off All Products + Financing Up To 20 Years
Serving 545+ Towns in MA, NH & ME - Check Your Town »
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Portsmouth homeowners deserve window contractors in Portsmouth NH who turn visions into reality. Whether solving urgent problems, boosting efficiency, or creating stunning designs, the right contractor changes everything.
Coastal Windows & Exteriors stands as the #1 woman-owned window company across New England. Our windows beat Energy Star 7.0 standards while achieving 0.1 CFM air infiltration—the tightest seals available. Energy efficient systems transform comfort levels and bring your dream home to life. Choose from double-hung, casement, bay, and picture windows. Stop settling for poor performance. Schedule your free consultation today.
Transform your monthly bills with windows that actually save money.
Expert teams work fast without cutting corners on quality.
Premium components deliver beauty and performance for decades.
Say goodbye to painting, repairs, and endless maintenance forever.
Proven ratings guarantee real energy savings you can measure.
Complete warranty coverage gives you total peace of mind.
Excellence in window contractors in Portsmouth starts here. Our skilled team handles urgent repairs and dream renovations with equal expertise. Stop wasting money on windows that don’t work. Book your free evaluation today.
“Coastal Windows & Exteriors exceeded every expectation! Their team arrived promptly, worked efficiently, and left our home spotless. The new windows have dramatically improved our comfort and we’re already seeing lower energy bills. Professional from start to finish — I wouldn’t hesitate to recommend them to neighbors!” — Sarah M., Beverly MA
Make your dream home a reality without the financial stress. Our trusted partners offer quick approvals and great rates. Start your transformation today.
Explore double hung, casement, or bay windows built for coastal New Hampshire weather. Every style delivers amazing efficiency with beautiful results that last.
Real efficiency comes from smart technology working together:
Get maximum efficiency—Contact us today.
Founded in 1623, Portsmouth NH stands as one of America’s oldest seaports located 60 miles northeast of Boston on New Hampshire’s Atlantic coastline. This historic city of approximately 22,000 residents combines maritime heritage with modern amenities and cultural sophistication. Distinguished features include the historic Portsmouth Harbor, Strawbery Banke Museum, and vibrant Market Square district.
Portsmouth’s architectural landscape showcases Colonial, Federal, and Victorian homes alongside contemporary waterfront properties and luxury condominiums. The city attracts professionals, artists, and affluent retirees drawn to cultural events, fine dining, and proximity to both ocean recreation and metropolitan employment opportunities. Modern Portsmouth balances historic preservation with economic development, maintaining its authentic character while supporting tourism, technology businesses, and marine industries.
Professional installation makes all the difference:
Ready to start your project—call us now.
Window costs depend on several key factors:
Get your detailed pricing today.
Prestigious national business recognition for outstanding entrepreneurial achievement and industry leadership excellence.
Repeated service excellence recognition demonstrating consistent superior performance and customer satisfaction achievement.
Distinguished community service recognition reflecting dedication to military veterans through our Roofs for Heroes initiative.
Regional business leadership recognition for market growth achievement and industry excellence.
Environmental safety compliance certification demonstrating commitment to responsible installation practices and family protection.