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AfterTherma-Tru Window Installation: The Westchester Owner’s Guide
Therma-Tru window installation in Westchester typically runs $85-$160 per opening for hardware replacement and alignment, while full sash or frame-related window work lands between $220-$480 per window, depending on the model and what failed. We stock common Therma-Tru replacement hardware on our trucks, so most jobs are done in a single visit. Here’s the picture we usually hear on the phone: a window that won’t stay closed, a crank that spins without moving anything, or a frame that lets in a thin ribbon of hot Westchester air around the edges. The window itself is often fine. The hardware around it is not.
Which Therma-Tru Models This Applies To
We see three Therma-Tru window lines most often in Westchester homes: the Taurus, the Classic-Craft, and the Mira series. Each uses different hinge geometry, different roller tolerances, and different locking hardware. The Taurus line, for example, uses a sash-hinge system that’s notorious for wearing at the pivot pin after about eight to ten years of daily use, especially on windows that face the afternoon sun. The Classic-Craft line uses a different balance system entirely, so a Taurus balance won’t even seat correctly in a Classic-Craft frame. If you’re not sure which series you have, look for the laser-etched model code on the inside edge of the upper sash or on the frame’s side channel. It’ll be a short alphanumeric string, usually starting with “TT.” Snap a photo of that code and have it ready when you call. It saves a trip back to the truck and gets you a tighter quote on the first visit. Therma-Tru no longer manufactures all the hardware for the older Taurus series, so we often recommend quality aftermarket equivalents that match or beat the OEM spec, especially for roller assemblies and locking boards. Winslow Windows & Doors is an independent installer, not affiliated with Therma-Tru, but we’ve been matching their hardware for over a decade and know which aftermarket parts hold up in Florida humidity and which ones we won’t touch.
Signs Your Therma-Tru Window Installation Is Failing
- Window won’t latch, or the lock feels mushy. Usually the keeper bar has drifted out of alignment or the lock mechanism itself has worn internal teeth. You’ll feel it click halfway, then nothing. This is the most common failure we fix in Westchester, and it’s almost always repairable without replacing the window.
- Crank turns but sash barely moves. That’s a stripped gear inside the crank operator or a snapped torque bar. Therma-Tru’s older Taurus operators used nylon gears that degrade after years of salt-laden South Florida air, and once the teeth shear, the crank is dead.
- You feel a draft around the frame, even when the window is closed. The weatherstripping has compressed or the sash has sagged out of square. In Westchester, where summer afternoons push 90-plus degrees, that gap costs you real money every month on AC.
- Window slides shut on its own, or won’t stay open. That’s a failed balance spring or a worn block-and-tackle assembly. On larger Therma-Tru windows this can be a two-person job because the sash is heavy and the spring is under tension.
- Condensation between the glass panes. The glazing seal has failed and the insulated glass unit is letting moisture in. Not a hardware fix, but we handle that too, usually by replacing the sash or the IGU depending on the series and what Therma-Tru still supports.
Replacement Cost & What’s Included
Here’s what Therma-Tru window installation and repair actually costs in Westchester, and why there’s a range:
| Service | Typical Range | What Drives Price |
|---|---|---|
| Lock or keeper alignment | $85-$120 | Single visit, hardware minor |
| Crank operator replacement | $140-$220 | Part availability by series |
| Balance or roller replacement | $160-$280 per window | Sash weight, spring tension |
| Full sash or IGU replacement | $220-$480 per window | Series compatibility, glass pack |
Every quote we give in Westchester is a line-item price before work starts. You’ll see the part cost, the labor, and nothing else. We don’t pad invoices with mystery fees, and we don’t change the number after we’ve started. The workmanship is covered under our Done Right Promise: if it’s not done right, we come back and make it right. Every repair over $200 is eligible for our standing $40 discount, and seniors and veterans always get 10% off.
DIY or Call Us?
There are a couple of things you can safely check yourself before you call. Confirm the window is actually from Therma-Tru and find that model code. Check whether the lock keeper has visible screws you can gently snug up. And look for obvious debris in the track that’s blocking the sash. That’s genuinely useful. What we’d caution against is pulling apart a balance assembly or forcing a stuck sash. Those springs are under enough tension to take off a fingertip if they release wrong, and we’ve seen homeowners in Westchester turn a $180 repair into a $600 replacement by forcing a crank that wasn’t the actual problem. If the window won’t move or the crank keeps spinning, that’s your signal to call (850) 721-1218 and let someone who does this every day take a look. Estimates are free, and the phone is answered by a real person no matter what time you call.
FAQs
Plan on 8-12 years for hinges, rollers, cranks, and balances in Florida’s heat and humidity, less if the window faces direct afternoon sun or sits within a few miles of the coast. Salt air accelerates wear on nylon and plated-steel parts. We see Taurus and Mira hardware in Westchester start to fail around year nine or ten with regular use.
Yes, in most cases. Lock alignment, crank operators, balances, rollers, and weatherstripping are all repairable or replaceable without pulling the whole window. Full replacement usually only makes sense when the frame itself is rotted, water-damaged, or so out of square that the sash no longer seats. Call (850) 721-1218 and we’ll tell you which camp your window falls into without charging for the trip inside Westchester.
Most single-window hardware replacements run 45-90 minutes from toolbag to cleanup. A full sash or insulated glass replacement can take two to three hours. We carry common Therma-Tru hardware on the truck, including Taurus cranks and Classic-Craft balance assemblies, so we can often finish in one visit.
We stock the failure-prone hardware: locking boards, crank operators, roller assemblies, balances, and keepers for the Therma-Tru lines we service most in Westchester. When a part is series-specific and discontinued, we source an aftermarket equivalent that meets or exceeds the original spec and have it ready before the install date. You won’t be asked to track down your own parts.
If your Therma-Tru window is acting up, call (850) 721-1218 and Ed Winslow will have someone at your Westchester home fast, with the right part on the truck and a line-item price before any work starts.
Written by Ed Winslow, Owner, Winslow Windows & Doors at Winslow Windows & Doors, serving Westchester and nearby areas.
Six Reasons Homeowners Choose Winslow Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
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.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.