Welcome to Andersen Certified Installer Hamptons, a website showcasing the brands we install, replace, sell and supply in the Hamptons, New York area. We pride ourselves in our attention to detail and the quality of our work, and as a result we only provide our customers with the highest quality, most energy efficient options for their homes. Have any questions about specific products? Give us a call any time. Have a quote on the product from another supplier and/or installer? Give us a call, let us see what we can do for you.

About Our Company

Our company, Zajac Home Improvement d/b/a Zajac Doors and Windows has been in business since 1986, servicing Connecticut, Long Island, New York City and the Hamptons. As a full-service company we do everything but not limited to: basements, bathrooms, decks, doors, kitchens, painting, roofing, siding, and windows. We are always available to speak by calling our office in you have any questions about any remodeling or renovation project to your home.

Lifetime Warranty

Zajac Home Improvement d/b/a Zajac Doors and Windows provides at no cost to our customers, a lifetime warranty on the labor of all products that we install in your home. We also mirror the manufacturer warranty on all products sold and installed by our company, therefore providing a complete lifetime warranty on all products we provide to our customers. If you ever have a problem or damage to any product installed in your home, please contact us immediately so we may come by and inspect the problem and contact the manufacturer on your behalf to solve the issue.

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