Windows Contractor in Frontenac
Upgrade your Frontenac home with energy efficient windows expertly installed by the contractors at Replacement Windows by Lakeside.
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Experience the unparalleled excellence of Infinity from Marvin Windows
Enduring Quality
Unmatched Reliability
Homeowner Satisfaction
Strengthen and Beautify Your Home with Infinity from Marvin Windows
Are you interested in refreshing the curb appeal of your Frontenac home? Saving on energy bills? Or banishing uncomfortable draftiness caused by old windows?
Replacement Windows by Lakeside has been a trusted name in window replacement for almost 30 years. Whatever you want to do to beautify and protect your home, our team gets the job done right. We understand the unique properties of Frontenac – from the classic Craftsman to the embellished Greek Revival-style homes. That’s why our window replacements fit your home’s unique look while offering great value and top performance. You get quality you can trust when you choose Lakeside.
We Install Only the Best Window Products
What can a quality window replacement do for your home? Here are a few advantages.
- Dramatic improvement in comfort and efficiency
- Reduction of drafts, consistent indoor temperatures, and improved ventilation
- More natural light, creating a brighter, fresher living space
- A unique style from different window types, including bay windows, sleek casements, or timeless double-hung designs
- Lower energy bills
Replacement Windows by Lakeside is the exclusive distributor and authorized contractor for Infinity from Marvin fiberglass replacement windows and doors in the St. Louis region. Since 2006, we’ve been offering unmatched expertise to complement the premium quality and lifetime durability of a Marvin window installation, and we guarantee water-tight, worry-free windows and doors that stand the test of time.
Single-Hung Windows
Classic and easy to use, single hung windows offer a simple, efficient design with one movable sash for excellent ventilation.
Casement Windows
Hinged at the side, casement windows swing open like a door to provide excellent ventilation and unobstructed views.
Bay Windows
Create a cozy nook and expand your view with a bay window, featuring a combination of three windows projecting outward from your home.
Infinity from Marvin Doors
In addition to Infinity from Marvin windows and doors, we also install ProVia Doors. Uniquely crafted to match your home’s style, they’re built to handle Frontenac weather conditions and provide reliable security.
Window & Door Projects in Frontenac
Infinity Window Installation That Refreshed a Two-Story Home in Chesterfield, MO
Creating Space and Style with a New Sliding Door in Wildwood, MO
Elevating Curb Appeal with New Windows & Doors in Weldon Spring, MO
Window & Door Makeover Brought New Life to This Wentzville Farmhouse
Stunning Window Replacement for a Home in Lake Saint Louis, MO
Revamping a St. Louis Home with Custom Window Installation
Rely On Us to Exceed Your Expectations as Trusted Window Replacement Experts for Your Frontenac Home
At Replacement Windows by Lakeside, we are committed to quality and excellence. It shows with every window replacement project we complete.
- By employing precise installation techniques, high-quality sealing systems, and insulated foam, we ensure that your windows are hassle-free.
- We take extra steps to ensure your windows are watertight and exceed stringent manufacturer requirements as an Infinity from Marvin Gold Partner.
- Your investment includes a lifetime workmanship warranty from Lakeside and a manufacturer warranty from Infinity from Marvin.
- We provide a high level of listening and care for every homeowner. We want to understand your concerns and provide you solutions so that you can love your windows again.
Our Simple 3- Step Process:
Personalized Consultation
Begin with a stress-free consultation where we listen to your vision and needs, guiding you to the perfect window solutions tailored just for your home.
Precision Installation
Our expert team carries out your window installation with meticulous attention to detail, ensuring a seamless process while keeping you updated every step of the way.
Delight in Your Home’s Transformation
Revel in the beauty and enhanced efficiency of your new windows, knowing you’ve chosen the best products and service for your home.
Elevate the Curb Appeal of Your Frontenac Home with New Windows
Living in Frontenac is a luxurious experience. As one of Missouri’s smallest communities known for historical homes and landmarks, top-rated schools, and award-winning restaurants, it’s easy to see why homeowners are keen to beautify their property while keeping it energy efficient.
That’s why the dedicated team at Replacement Windows by Lakeside is committed to ensuring you have a positive experience with a customer-first approach and quality materials to make the process simple and stress-free.
Finding the perfect windows (and doors) to suit your Frontenac home starts with a free consultation.
Special Offer
12 Months, No Interest/No Payments*
No interest until Fall of 2027!*
Don’t make a payment until Fall of 2027*
Executed contract date range: 9/1/26 – 9/30/26
