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Martin Maintenance LLC
No rating yet
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
New Construction Window InstallationReplacement Window Installation
Testeral LLC
Replacement Window InstallationCommercial Window Installation
- Location
- Old Greenwich, Old Greenwich
- Services
- Replacement Window Installation, Commercial Window Installation
- Reviews
- 6
- Best for
- commercial projects and custom window installations requiring design input
Google Business Profile is the source for the business data shown here, last checked 2026-09-20. Details taken from their website were fetched 2026-09-20.
What recent reviews say
Two five-star reviews praise Testeral's quality materials, professional staff, and consistent communication throughout projects. Their website claims over 30 years in business and service across Connecticut, New York, and New Jersey.
Based on limited recent reviews, so treat this as low-confidence.
Praised for
- high-quality materials
- professional team
- strong communication
- project coordination
skilled-installersprofessional-crewquality-materialsresponsive-scheduling
Best for: commercial projects and custom window installations requiring design input
Where this business shines
- 30+ years in business
- custom fabrication and design
- dedicated project coordination
Worth knowing
- Offers private project site for client consultation
- Dedicated team manages each phase of the project
- Services include design, fabrication, shipping, delivery, and installation
What reviews say by service
- Replacement Window Installation
- High-quality materials and professional installation praised in recent reviews.
- Commercial Window Installation
- Strong project coordination and communication highlighted for commercial work.
How it compares
- Rated 5 against a 4.57 average across the 38 replacement window installation businesses listed here.
- Has more Google reviews than 30% of the businesses in this directory.
What earned this score?
Our Rubric Star rating 77
Review volume 37
Review recency 26
Review sentiment 65
Profile completeness 100
Verification 30
Rating breakdown
5
6
4
0
3
0
2
0
1
0
Contact
- Phone
- +1203-625-1919
- Website
- https://testeralus.com/
- Address
- 1345 E Putnam Ave, Old Greenwich, CT 06870
Last verified 2026-09-20
Opening hours
- Monday
- 08:00-17:00
- Tuesday
- 08:00-17:00
- Wednesday
- 08:00-17:00
- Thursday
- 08:00-17:00
- Friday
- 08:00-17:00
- Saturday
- Closed
- Sunday
- Closed
As listed on Google.
From their website
Services listed
Design and engineeringFabricationShipping and deliveryInstallationAluminum doors and windowsCurtain wallsStorefrontsuPVC windows
Operating:over 30 years
As published by the business on its own website; not independently verified.
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