New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors Fresno pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Therma-Tru Window Replacement: The Fresno Owner’s Guide
We replace and install Therma-Tru window units throughout Fresno, and most single-window replacements run between $450 and $1,100 installed depending on size, glass package, and frame condition. We keep common Therma-Tru-compatible sashes, balances, and hardware on our trucks, so a straightforward swap is often done in a single visit. Most Fresno homeowners discover they need a replacement when a sash won’t stay up, condensation fogs the glass permanently, or the frame has warped enough that the lock no longer catches. This guide covers what actually fails, what it costs to fix, and how to tell whether you need a new sash or a full unit.
Key Takeaways
- Single Therma-Tru window replacement in Fresno typically runs $450 – $1,100 installed
- Fogged glass means a blown seal; warped or cracked sashes usually mean full replacement
- We carry Therma-Tru-compatible hardware and can source OEM or quality aftermarket parts
- Every job gets a written price before work starts and a 365-day written labor warranty
Which Therma-Tru Models This Applies To
Therma-Tru builds window lines under several series names, and the compatibility picture depends on which one you have. The Smooth-Star and Classic-Craft lines are the most common in Fresno homes, particularly in tract builds from the late 1990s through the 2010s. If you’re unsure what you have, look for a small etched label on the glass corner or a sticker on the sash frame. It’ll show the series, the date code, and sometimes a factory ID number. Bring that information to the phone call and we can usually identify the exact part before we arrive.
One gotcha worth knowing: Therma-Tru changed sash dimensions slightly between manufacturing runs in the mid-2000s. A replacement sash from a 2003 Smooth-Star may not seat cleanly in a 2006 frame even if both are stamped the same series. That’s why we measure on-site every time rather than trusting the label. For glass, most Fresno homes do well with a low-E insulated unit (a thin coating that reflects heat while letting light through) rated for our triple-digit summers. OEM Therma-Tru glass runs higher, but there are quality aftermarket IGUs that meet or exceed the original spec at a lower price. We’ll quote both and let you choose with the numbers in front of you.
Meridian Windows and Doors Fresno is an independent service provider, not affiliated with or endorsed by Therma-Tru. We also stock parts for PGT, CGI, and CWS window lines.
Signs Your Therma-Tru Window Replacement Is Failing
- Fog or haze between the glass panes. This means the insulated glass seal has failed. Moisture gets in, condenses, and the unit cannot be cleaned from the inside. The fix is a new IGU or full sash replacement.
- Sash won’t stay open or drops when released. The balance system (spring-loaded or block-and-tackle) has worn out. In a double-hung Therma-Tru this is often repairable without replacing the whole window, but a broken sash shoe or damaged track means the sash itself needs swapping.
- Visible cracks in the vinyl or fiberglass frame. Fresno’s sun and heat cycles take a toll. A hairline crack at a corner joint is a structural failure; glass sits under tension and a cracked frame will eventually let the sash rack out of square.
- Lock no longer aligns or catches. Frame warping or worn lock hardware. If the lock is fine but the frame has shifted, that’s a thermal or installation issue, not just a hardware swap.
- Air or dust coming through even when closed. Weatherstripping has compressed or the frame has warped in the heat. In the Central Valley, blown-in dust is a year-round sign the seal is gone.
Replacement Cost & What’s Included
Here’s what Therma-Tru window replacement typically costs in Fresno, installed:
- Sash-only replacement (double-hung): $450 – $750
- Full window unit (standard bedroom size, up to 36″ x 60″): $650 – $1,100
- Large picture window or custom sizing: $900 – $1,500+
- Glass-only IGU replacement (when frame is sound): $300 – $550
Every price goes on paper before a single screw turns, and it does not move at the door. The range depends on glass package (clear, low-E, tempered for code-required locations), frame condition, and whether we’re replacing the sash or the entire unit with flashing. Labor is always broken out separately so you can see exactly what you’re paying for parts and what you’re paying for the install. All work is covered by our written 365-Day Done Right Promise: if it fails within the year, we come back at no charge. That includes a free second visit if the repair doesn’t hold.
DIY or Call Us?
A sash swap looks simple until the balance system surprises you. The springs in a double-hung balance are under tension, and if you disengage the wrong way, the sash can drop or the spring can fly. We’ve repaired enough handyman attempts in Fresno to say this plainly: if you’re not sure how the balance system on your Therma-Tru works, don’t guess. What you can safely do is inspect the labels, take photos of the frame corners and hardware, and check whether the crack or fogging is in the glass or the frame itself. That’s useful information to bring to the call.
If you’d rather not risk it, call us. We’ll measure, quote, and install with the warranty in writing. One visit, done right.
FAQs
The glass and frame on a well-installed Therma-Tru unit typically last 15 to 25 years in Fresno’s heat. The first things to go are seals and balances, usually around the 12- to 18-year mark. Expect to replace weatherstripping more often if the window takes direct afternoon sun on the west side of the house. Call (559) 272-4716 and we’ll assess what’s on its last legs versus what still has years left.
Yes, in many cases. A failed balance, worn weatherstripping, or a broken lock can be repaired without touching the glass or frame. If the insulated glass unit is fogged or the frame has cracked, repair doesn’t work and replacement is the honest answer. We’ll tell you which one you have before we ever quote a part.
A standard sash or full-unit replacement takes 1 to 3 hours on-site, including cleanup and disposal of the old window. Larger or custom units may take half a day. Call (559) 272-4716 to schedule a free estimate, and we’ll give you a time range in writing.
We stock common Therma-Tru-compatible sashes, balances, locks, and hardware on our trucks. For odd sizes or older series, we order OEM or quality aftermarket parts and typically have them in 3 to 5 business days. If you send photos ahead of the visit, we’ll come prepared with the right part on the first trip.
Need a Therma-Tru window replaced in Fresno? Call (559) 272-4716 for a free estimate. We’ll measure, price it in writing, and install it to The Garrison Standard. Elliot Vance and the crew at Meridian Windows and Doors Fresno have been doing it that way for years. Measure twice, install once, write it down.
Written by Elliot Vance, Owner, Meridian Windows and Doors Fresno at Meridian Windows and Doors Fresno, serving Fresno and nearby areas.
Six Reasons Homeowners Choose Meridian Windows and Doors Fresno
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.