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Dually Works exists because its founder couldn't buy what he wanted. Alain, a former corporate consultant, went looking for European-style tilt-and-turn windows in New England, came up short, and partnered with the manufacturer DAKO to bring them over — the company's own account of how it started. The people who write about it split into two camps. Builders: in a June 2026 review, a Passive House builder said he needed premium, triple-glazed, European-style windows and found someone to supply them here. Homeowners: an August 2026 customer's new French door in the European style "looks great," and a buyer who wrote in November 2025 about a new front entry door said Alain took the time to understand exactly what they wanted. Six Google ratings average 5.0. Another June 2026 reviewer, who has worked with Alain Espinoza for the past year, described energy-efficient windows and doors and a supplier who "meets the industry standard in service"; a third called Dually Works a top option for windows around Bedford, New Hampshire, and pointed to his membership in the state's Home Builders Association. Alongside windows and doors, the company's site lists garage doors and shutters and blinds, and says its products are Energy Star 7.0 certified. The right call for a homeowner or builder who specifically wants high-performance European windows and doors rather than the nearest stock replacement. Ask what the lead time from the manufacturer runs, get the installation scope in writing — who handles removal, trim and finish work — and confirm what the warranty covers on the product and on the install.
I was very happy with the service and can only recommand it. I got a new french door european style and in the end it looks great :)
I have had a great experience working with Alain and Dually Works. As a high performance, Passive House builder I was looking for someone to work with who could provide premium, triple glazed, European style windows. These windows deliver twice the performance of high end domestic options at significantly lower cost. Dually Works has been outstanding to work with and I would highly recommend Alain and his team!
Alain & his team are awesome! Dually works is a top option if you are looking for Windows in the Bedford, NH area, and you know you can trust him to take care of you as a member of the NH Home Builders Association. Dually works would be one of the first names I reccomended to any friends or family!
I've been working with Alain Espinoza for the past year. No one is more dedicated to their customer. He meets the industry standard in service and delivers high quality windows and door that are energy efficient.
I would highly recommend Dually Works. I couldn’t be happier with my new front entry door. Great quality, craftsmanship and elegance. Alain was extremely easy to work with. He took the time to understand exactly what I wanted and met all my expectations.
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1 change recorded — last scanned Sep 4, 2026.
Typical your area range for this kind of work, from regional averages — not a quote from Dually Works Windows & Doors. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 – $11,000
Typical exterior project around $7,500
Whole-exterior packages5.0
Honest assessments5.0
Roof-top estimates3.2
Hands-on owner3.4
Repeat customers across multiple projects3.2