Premium Window Replacement & Installation in Delmont, PA
Our Best Price Ever!
10 Windows STARTING AT
$6,995
Delmont Window Replacement Contractor
Serving Every Corner of Delmont
The Third Estimate serves homeowners throughout Delmont and the surrounding area — from established neighborhoods with older housing stock to newer planned communities seeing their first set of replacmeent windows. Wherever you are, our team is local, licensed in Pennsylvania, and ready to give you an honest read on what your home actually needs.
Apple Hill
Valley Stream
East Delmont
Western Delmont
Murrysville
Manor
Level Green
Lower Burrell
Fellsburg
Greensburg
New Stanton
Irwin
Madison
Norvelt
Ligioner
Lawson Heights
Latrobe
Loyalhanna
Wyano
Hostetter
New Alexandria
Scottdale
Lynnwood- Pricedale
South Greensburg
Youngwood
Millwood
Jeannette
West Leechburg
Calumet
Mount Pleasant
Southwest Greensburg
Bradenville
New Kensington
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Allegheny County
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Washington County
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Westmoreland County
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Butler County
Not sure if we serve your street? Call us or drop your zip in the form above — we'll confirm availability and get your free inspection scheduled.
Window Replacement Services in Delmont
Window Replacement
Choosing the right windows replacement contractor is the most critical variable in lowering your monthly energy costs. Since 1996, we have engineered stress-free home upgrades through professional window installation designed to permanently eliminate drafts and lock in year-round comfort. Whether you have a few aging windows to replace or require a comprehensive window and door project, we pair our local, family-owned craftsmanship with elite national manufacturing standards. We provide budget-friendly, highly efficient solutions that make us the contractor you’ll confidently recommend to a friend.
Premium Vinyl Window Replacement
Vinyl replacement windows offer an affordable, low-maintenance solution designed specifically for our harsh local climate. By partnering with elite manufacturers like Vytex and ProVia, our family-owned team delivers highly durable, energy-efficient vinyl frames that permanently eliminate drafts and drive down your utility bills without breaking the bank.
Maximum Energy Efficiency
Budget-Friendly Pricing
The Third Estimate Signature Window Line
Custom-engineered vinyl window solutions designed to permanently eliminate drafts and upgrade your home's aesthetic. Choose the perfect tier for your budget and style.
EcoVue
Cost-effective and highly energy efficient. The perfect entry point for permanently sealing out drafts and lowering utility bills.
HeritageVue
Our most popular all-around option. Delivers the perfect balance of premium durability, superior comfort, and timeless styling.
SignatureVue
Premium vinyl windows featuring a wide range of exterior color options to perfectly match your home's unique curb appeal.
TerraVue
Top-tier vinyl windows featuring stunning black interiors and exteriors, or rich woodgrain laminate interior finishes for a luxury aesthetic.
Custom Architectural & Wood-Clad Windows
Preserve your home’s historic charm or elevate its modern curb appeal with our custom architectural and wood-clad window solutions. As an Andersen Certified Contractor, our family-owned team executes precision installations of industry-leading products like the Andersen 400 Series. We provide unparalleled craftsmanship and timeless design tailored to your specific aesthetic, delivering a truly stress-free home upgrade.
The Andersen Window Collection
As an Andersen Certified Contractor, we bring elite national manufacturing standards directly to you and your home. Select the perfect tier to match your home's architecture and energy goals.
100 Series
Made from eco-friendly Fibrex® composite—twice as strong as vinyl and built to block thermal transmission 700x better than aluminum. Backed by a 20-year glass warranty.
200 Series
A budget-friendly wood and vinyl hybrid. Features real wood interiors paired with a low-maintenance Perma-Shield® exterior to provide classic styling with modern durability.
400 Series
Our most popular line. Engineered with dual-layer weatherstripping for ultimate protection against air and water infiltration. Backed by the robust Owner-2-Owner® limited warranty.
E-Series
The architectural elite. Built with thick, extruded aluminum cladding over heavy-gauge wood. Offers endless custom colors, specialty shapes, and unparalleled structural strength.
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Expert Home Improvement Services in Delmont
Roofing
Best Roofing Solutions in Western Pennsylvania
- Owens Corning Platinum Preferred Contractor
- Durable materials for lasting protection
- Expert roof replacements & repairs
- Serving Western Pennsylvania homeowners
Windows
Maximize Savings & Comfort With Energy-Efficient Windows
- Enhances curb appeal
- Wide range of styles, colors & materials
- Professionally installed for long-lasting performance
Siding
Expert Siding Replacement Contractor of Premium Vinyl & James Hardie Siding
- Western Pennsylvania’s leading siding replacement contractor
- Durable, weather-resistant materials
- Modern & classic styles to enhance curb appeal
- Installed by experienced professionals
Gutters
Prevent Water Damage & Protect Your Home
- Champion MicroMESH system for clog-free performance
- Keeps gutters maintenance-free & flowing smoothly
- Expert installation ensures long-term reliability
Proudly Serving Delmont
Cody was very knowledgeable and helpful with deciding on what windows and roofing system to go with. Since we bundled our windows and roof we were able to get a great price. If you’re looking for a roofer company or window company I recommend reaching out.
Hannah G.
The Third Estimate Customer
Posted on Google Garrett BaerTrustindex verifies that the original source of the review is Google. Ronnie came in with a great attitude, professional, and personable. Did not give us the big lecture about windows as requested. Showed us the different options. Look forward to our windows.Posted on Google CARRIE RAUPACHTrustindex verifies that the original source of the review is Google. Jacob was great at explaining everything, and really understands this business!Posted on Google Kyrstin AllenTrustindex verifies that the original source of the review is Google. Ronny was an absolute pleasure to work with and has made getting new windows and siding a breeze!Posted on Google Grace JuergensTrustindex verifies that the original source of the review is Google. Third Estimate made installing windows a pleasant experience rather than a bother. From the free sales quote being so open and honest, the realistic scheduling expectations, and kind/efficient 2-day installation on a decent amount of windows, the whole partnership was swift and joyful. And let's not forget the price; very reasonable for the amount of windows we got installed. Corey offers full circle service from the beginning to checking in at the end. Very pleased and highly recommend.Posted on Google Lynda KeeneTrustindex verifies that the original source of the review is Google. Very professional and knowledgeablePosted on Google Hpward MathisTrustindex verifies that the original source of the review is Google. Ronnie was here. Very professional. Beet Windiw Nation by a couple thousand. Git me approved for financing. Companies need to hire more if folks like Ronnie. He knows his windows.Posted on Google Pro ChefTrustindex verifies that the original source of the review is Google. I had Corey Mendes out from Third Estimate to look at my door and window that I’m looking to get replaced. He was thorough, friendly, professional, and walked me through the process. Highly recommend Third Estimate if you’re looking for a door or window replacement.Load more
Window FAQs for Delmont Homeowners
Honest answers to the questions we hear most — no fluff, no pressure, no obligation.
The cost of new windows varies widely based on the material (vinyl vs. wood-clad), size, and style. However, energy-efficient replacements quickly offset their initial cost by drastically lowering heating and cooling bills. The Third Estimate provides a completely free, customized design consultation and a written estimate valid for 6 months. No phone guesses, no pressure to sign the same day.
Because of our humid summers and freeze-thaw winters, you need windows engineered to block thermal transfer. We recommend premium vinyl options from Vytex for maximum affordability and efficiency, or the Andersen 400 Series for homeowners wanting classic wood interiors with weather-resistant exteriors. Both options permanently eliminate drafts and lock in year-round comfort.
Most whole-home window replacements are completed in one to two days. Our family-owned installation team treats your home with respect, utilizing drop cloths and minimizing disruption to your daily routine. We clean up completely before we leave, ensuring a stress-free upgrade from start to finish.
Yes. The Third Estimate is fully licensed and insured to operate in Pennsylvania. We bring nearly 30 years of family-owned craftsmanship and elite national certifications—including our status as an Andersen Certified Contractor. We opened a permanent showroom at 7703 Perry Hwy in Pittsburgh's North Hills to better serve the community.
Yes. Upgrading your home's efficiency shouldn't be a financial burden. We offer flexible financing options, including 0% interest for 12 months or low monthly payments on qualifying installations. Ask about our current financing terms during your free consultation—there is absolutely no obligation to proceed.
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