Renewal by Andersen Window Replacement
“If any complaint it would be cost but that had nothing to do with the installers they did their job to perfection!”
Best Window Installers near Lower Merion, PA
These companies serve Lower Merion from nearby bases in towns including Philadelphia, Bala Cynwyd and Havertown.
15 companies listed · 4 open 24/7 · 11 open weekends · all 15 rated 4.5+ · 5 show a license
Data verified October 31, 2026
Certitude Roofing and Siding
“They kept me abreast of updates and changes and completely resolved my issue.”
Emerald Windows
“Emerald Windows helped us repair a leaky window and replace a large window in the living room.”
American Home Concepts
“They answered my questions and explained everything to me that was being done.”
Gasper Roofing
“I was very nervous at the idea of having my whole roof removed before the replacement but once the work started, I felt completely confident with their ability to handle such an undertaking.”
C&C Family Roofing & Siding
“Sherman was our project manager - great communication, friendly, clear explanations and super patient getting things right.”
Listed for homeowners in and around Lower Merion, PA, these 15 companies fit and repair windows. Frame materials, glass options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.
Area overview: Lower Merion, PA
The 15 companies on this page are rated from 4.7 to 5.0 across 7,745 reviews; all 15 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (84%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "estimates", "cleanliness" and "price". 4 are open around the clock; 11 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are siding (3), gutters (2) and window installation (2). 5 show a license on their websites and 4 have a BBB rating of A or A+. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 5 offer emergency call-outs; 8 offer financing or payment plans; 11 give free estimates; 5 are family- or locally-owned and 8 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for all 15 of the companies on this page; all 15 publish a contact page and 10 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Is the home visit and measurement free?
A no-cost quote is offered by 11 of the 15 companies on this page. Expect a sales presentation with it. Set a time limit before the appointment, ask for the written quote to be left with you, and treat any price that expires when the salesperson leaves the house as a reason to keep looking.
Warner Exteriors & Solar
“They scheduled me right away when I called for my new roof and did an amazing job in one day #I Love Warn Ex”
Mac's Construction
“I stressed quite a bit but with Tracey 's help and professionalism the work was completed on time as stated.”
Impriano Roofing & Siding Inc.
“Communication, workmanship were spot on delivered what was promised with no issues, would highly recommend their services.”
Definis and Sons Window and Door Inc.
“He was able to dislodge the 40 year old glass slider, pull it out from behind the wood cover, insulate behind the wood cover, build framing for the new door/storm door and capped and caulked everything.”
Phillydoors
“I definitely recommend this company and especially Jim like a really good professional.”
Anvil Exteriors
“Amazing work and I will definitely use them again for my other locations.”
O'Donnell Roofing Co
“They informed me of their recommendation and the cost prior to any repairs and were able to repair the roof the same day.”
Window World
“The installer, Steve was professional, personable, and explained everything as he went along.”
Rhino Exterior Solutions
“We are very happy with how the roof looks, the workers cleaned up all the debris, my yard and garden were left spic and span.”
Why these companies made our list
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