Verified record
Fifty-six windows on a farmhouse built in 1825: that is the job a 2025 Reddit commenter in r/Connecticut pointed to when recommending Advanced Window Systems, saying it was "very reasonable and quality work." On its BBB profile, the company describes itself as a full service home improvement company that specializes in windows, siding, roofing, entry doors, and showers and baths, serving the entire state of CT. It holds an A+ grade from the BBB and is BBB accredited. A 2024 Reddit commenter described 56 windows on a house built in 1825 and wrote that it was "going on 5 years or so now with zero issues." A separate 2024 commenter pointed people to Advanced Window Systems in Cromwell.
Typical your area range for this kind of work, from regional averages — not a quote from Advanced Window Systems LLC. 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
“Give Advanced Window Systems a call, they did my parents very large and very old (1825) farm house with 56 windows and it was very reasonable and quality work.”
“Advanced Window Systems has the highest rated reviews online, they install the most energy efficient windows on the market for a similar price to most contractors while maintaining a lifetime warranty”
“Check out advanced window systems in cromwell.”
“When it came to my parent's house it was 56 windows on a house built in 1825, which does not make a contractors job easy yet they did a great job. Going on 5 years or so now with zero issues.”
“Chief of Cromwell’s Advanced Window Systems:…”
From the moment we scheduled the initial visit until the shower installation was completed, we were treated with respect, kindness, and warmth. Everyone at AWS was professional, the work is beautiful, and I would proudly recommend their services.
I had 12 windows replaced today. franklinAnd crew excellent.
AWS did an excellent job of replacing our back door. Mario’s attention to detail and excellence resulted in a product that we are very pleased with and proud of.
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1 change recorded — last scanned Oct 13, 2026.
Repair crew at the door 8 a.m. the next morning4.7
Most honest of five roof replacement bids4.3
A 3,000 sq ft roof replaced before dark4.2
One-day roof replacements5.0
Whole roof replaced in 10 hours3.5
Contract to finished roof in 8 days3.7
