A-BEST Window serves homeowners from its South Portland location, coordinating measurement, ordering, and professional installation of replacement windows. The company is reachable at (207) 799-6771 and through its website for estimates and scheduling.
They offer a straightforward process, local accountability, and a track record of satisfied customers. With many positive online reviews, A-BEST Window emphasizes clear estimates, practical options, and clean, timely installation.
Serving South Portland, Portland, Cape Elizabeth, Scarborough, and nearby southern Maine communities.
Services include measuring, ordering, and installing residential replacement windows; repairing or adjusting existing units when feasible; and advising on styles, glass options, and trim details to match home design goals.
Google reviewers rate A-BEST Window around 4.6 stars across 90+ reviews, highlighting courteous crews, neat work, and improved home comfort after installation.
A-Best did a great job replacing our windows. They replaced 21 windows in a day. Kyle on the sales team was responsive and did a great job answering my questions. Jason and the rest of the crew did a great job on the install! They were thorough and did a great job cleaning up when the job was done. We may need a few additional windows replaced in the future and we would definitely go through them again! Overall we’re very happy with the windows and feel they are keeping us warmer in the Winter and it feels like a new house.
We can't be more pleased with our new windows. The crew of 4 were in and out after installing 9 windows in 3 hours. They were very professional and cleaned up after themselves. The day after installation, we had 50+ mile an hour winds up the marsh with driving rain. I checked every window for any air and there was none. There is a 20 year guarantee. We would do it again with A Best Window!Holly and Kip Winchester
Jim and the team at A-BEST are amazing to work with. We are in the process of changing out the windows to our 100-year-old school on Broadway. It's like working with family! I would HIGHLY recommend that if you need new windows, you give A-BEST a call.
Exceptional Experience with A BEST Window!Working with A BEST Window has been one of the most positive and rewarding experiences I've had in a long time—especially when it comes to major home improvements and contractor services. After reaching out to three different window companies for consultations and estimates, I was genuinely impressed from the moment I met Lyndsay and later the entire installation team.Their commitment to excellence was evident at every stage of the process—from the initial measurements and thorough discussion of options and pricing, to the seamless two-day installation. The team demonstrated remarkable attention to detail, clear communication, and a genuine concern for my understanding and satisfaction throughout.This level of professionalism, expertise, and customer care is rare. I can confidently say that this is one of the best reviews I’ve ever written, and it’s well deserved. If you're considering window replacement, you won’t regret choosing A BEST Window. They truly live up to their name.
Excellent Window Installation Experience from Start to Finish!From the moment I reached out to A-BEST Window for a quote, the entire process was smooth, professional, and stress-free. Lindsay is knowledgeable, transparent, and took the time to answer all of my questions without any pressure.Scheduling was a breeze with Rachel —communication was prompt, clear, and courteous every step of the way.On installation day, the crew (Neal, Pete, Ellis, Riley and AJ) arrived on time and ready to work. They were friendly, efficient, and clearly experienced. The craftsmanship, especially the carpentry work around the frames, was top-notch and exceeded all of my expectations. They paid close attention to detail and made sure everything looked clean and professionally finished.Cleanup was impeccable. They left the space spotless—no dust, debris, or packaging behind.I couldn't be happier with the results. The new windows look fantastic! Highly recommend the A- BEST team for anyone looking for high-quality window installation with outstanding customer service from beginning to end!
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