Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Claremont
Window replacement in Claremont usually runs $550 to $1,400 per window installed, depending on whether you need a full-frame replacement or an insert, and most whole-house jobs land between $8,000 and $22,000. We measure every rough opening ourselves before any glass is ordered, because Claremont’s older homes rarely have square frames. Call (817) 686-2228 and we’ll give you a written line-item price before any work starts.

We know Claremont. The 1920s bungalows off Indian Hill Boulevard, the mid-century ranches near Memorial Park, the newer builds east of Towne Avenue – each one presents different framing, different trim profiles, and different permit requirements. Our crews work throughout the city every week, and we’re familiar with what the Claremont planning department expects to see on a window permit application.
Why Meridian Windows & Doors Is Claremont’s Preferred Window Replacement Company
Most Claremont homeowners who call us have been through at least one bad contractor experience. A crew that showed up late. A quote that changed at the door. A sash that never sealed right. Elliot Vance built Meridian Windows & Doors to run on a different model: every price goes on paper before work starts, and that price does not move unless the scope actually changes. No vague “allowances” buried in the fine print.
We’re part of the Garrison Partners family, held to The Garrison Standard since 2009. That means background-checked, uniformed technicians on every call. A live person answers the phone 24 hours a day, seven days a week – not a voicemail loop. And every installation carries our 365-Day Done Right Promise in writing: if it fails within the first year, we come back and fix it at no charge. No labor exclusions, no fine print about “normal settling.”
A meridian is a fixed line you measure everything against. That’s what the name means and how we run every install in Claremont – measured, level, square, and documented.
Window Glass Replacement in Claremont
Window glass replacement in Claremont means removing the failed insulated glass unit (IGU) and installing a new sealed dual-pane unit into the existing frame. For most Claremont homes, replacing just the glass runs $180 to $420 per window, and it’s the right call when the frame and sash are still structurally sound but the glass has fogged, cracked, or lost its seal. You’ll see condensation trapped between panes, a white haze that won’t wipe off, or a room that never holds temperature.
In Claremont’s climate – 100-degree August afternoons, 38-degree January nights – failed seals aren’t cosmetic. A broken IGU is a hole in your thermal envelope, and your HVAC system pays for it every month. We stock replacement glass units from CWS and ES Windows in our Los Angeles warehouse and can typically have most Claremont orders measured, ordered, and installed within 10 to 14 days.
Low-E Glass Selection for Claremont’s Climate
Low-E glass is a thin metallic coating that reflects heat while letting light through. In Claremont, west-facing rooms get hammered by afternoon sun, so we usually spec a lower SHGC (solar heat gain coefficient) on those elevations. North and east-facing windows benefit from a higher SHGC that lets winter sun in. We’ll walk the site with you and mark each window with the right glass spec before ordering anything.
When Glass Replacement Isn’t Enough
If the sash is rotted, the frame is out of square, or the original aluminum has corroded through, replacing just the glass is throwing money at a frame that won’t hold it. We’ll tell you honestly when a glass replacement makes sense and when you need a full window replacement. The written quote shows both options side by side.
Window Sash Replacement in Claremont
Window sash replacement in Claremont replaces the moving part of the window – the frame that holds the glass – while leaving the surrounding jamb and trim in place. Expect to pay $350 to $650 per sash installed depending on size and material. This is the right repair when the glass is fine but the sash itself won’t open, won’t stay open, or has warped enough to let drafts through in Claremont’s winter cold snaps.
We recently replaced seven original single-pane aluminum double-hung windows in a 1950s ranch home near Memorial Park in Claremont, swapping in low-E insulated glass units framed to match the historic profile, with new jambs and sashes to correct decades of settling. The homeowner had tried a big-box sash replacement two years earlier and the sash never sealed properly, so our tech rebuilt the rough opening, installed the new units, and the house finally held temperature consistently through a 100-degree August week and a 38-degree January night.

Custom-Fit Sashes for Older Claremont Frames
Older Claremont homes – especially those built between the 1920s and 1950s – rarely have square, uniform window openings. Stock-size sashes from a home center won’t seal correctly in an opening that’s drifted a quarter inch out of square over 70 years. We measure every opening, fabricate or order sashes to the actual dimensions, and shim and seal as needed. The written price you get reflects the real measurements, not a guess.
Trusted Brands We Service in Claremont
We’re authorized to install and replace products from PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Claremont homes, we lean on ES Windows and CWS for most glass-only and sash replacements, and CGI when impact-rated products are called for. We keep a working stock of common parts and glass sizes in our Los Angeles warehouse, which means most Claremont orders don’t wait on a factory backorder.
Common Window Replacement Problems We See in Claremont Homes
- Out-of-square rough openings in pre-1960 homes. We regularly find 1920s and 1950s frames in Claremont that have drifted half an inch or more out of square. Ordering stock-size windows without measuring the actual rough opening means the new unit won’t seat, won’t seal, and won’t pass inspection.
- Failed seals on west-facing windows. Claremont’s afternoon sun is hard on dual-pane glass. We see more fogged IGUs on west and south elevations than anywhere else, and the fix is a proper glass replacement, not a band-aid.
- Wrong glass spec for the orientation. A cheap single-pane or high-SHCG replacement bakes west-facing rooms through Claremont’s summers. The right low-E spec makes a measurable difference in cooling bills.
- Skipped permits that fail later. Claremont requires permits for most window replacements, and inspectors check egress, tempered glass, and energy-code compliance. A “simple swap” without a permit can fail inspection and cost more to correct than doing it right the first time.
Pricing for Window Replacement in Claremont, CA
Here’s what we tell Claremont homeowners when they call. A standard vinyl insert window replacement runs $550 to $900 per window installed. A full-frame replacement – where we remove the old frame down to the rough opening and rebuild – runs $850 to $1,400 per window. Full-glass replacement for a single IGU runs $180 to $420. Sash replacement runs $350 to $650 per sash.
What moves the price: window size, frame material, glass package, and whether the rough opening needs correction. What doesn’t move the price: the number you were quoted. The written line-item estimate Elliot’s crew delivers before work starts is the price. If the scope doesn’t change, the price doesn’t change. Call (817) 686-2228 for a free estimate.
We Also Serve Cities Near Claremont
Our crews cover Window Replacement in Claremont and the surrounding communities, including Montclair, La Verne, Upland, and Ontario. If you’re just outside the city line, we’ll schedule a measurement visit the same way we would for any Claremont home – written quote first, no pressure. Our Window Replacement team handles every job from measurement to final inspection.
Serving Claremont, CA - Our Local Coverage Area
We’re based in the Claremont area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Window Replacement in Claremont
Yes, most window replacements in Claremont require a building permit, especially if you’re changing window size, altering openings, or working in areas covered by the city’s residential design guidelines or historic overlay zones like the Claremont Village and the Claremont Colleges neighborhood. We pull permits and coordinate inspections on every job. Call (817) 686-2228 and we’ll tell you exactly what your specific project requires.
For Claremont’s hot summers, choose a low-E insulated glass unit with a lower SHGC on west and south-facing windows. That reflects more of the afternoon sun and reduces cooling load. On the east and north sides, a higher SHGC lets winter warmth in. We’ll spec each window individually based on its orientation. Call (817) 686-2228 for a free site walk and written glass recommendation.
Yes. We custom-measure and order replacement windows to fit actual rough openings, including the out-of-square frames common in Claremont’s 1920s and 1930s homes. Stock sizes won’t work. We’ll match original trim profiles and materials where historic overlay rules apply. Call (817) 686-2228 to schedule a measurement.
Most single-window replacements in Claremont take one to three hours on site once the new unit arrives. Whole-house jobs of eight to twelve windows typically run two to four working days, depending on how much rough-opening correction is needed. The longest wait is usually glass fabrication, which runs 10 to 14 days for most Claremont orders.
Only a genuine scope change. If we open a wall and find rotted framing or termite damage that wasn’t visible during measurement, we’ll stop, show you what we found, and give you a written change order before doing anything else. Otherwise the written price you received before work started is the price you pay. Call (817) 686-2228 for a free estimate.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Claremont and surrounding communities.










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