New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Pasadena 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 Installation: The Pasadena Owner’s Guide
Therma-Tru window installation in Pasadena typically runs $220 to $485 per window frame when we replace the old Therma-Tru unit with a correctly sized, sealed, and flashed installation, with most single-window jobs completed same-day on a scheduled visit. You usually discover the problem the same way every Pasadena homeowner does: a window that suddenly won’t lock, a sash that drags against the frame, or water beading along the interior sill after the first real rain. If the frame is warping, the weatherstripping has gone flat, or the sash balances gave out, replacement makes more sense than another patched-up repair. We stock a deep bench of Therma-Tru-compatible installation components and hardware on the truck, and we quote the job in writing before a single screw comes out.
Which Therma-Tru Models This Applies To
Therma-Tru builds windows under two broad families that matter in Pasadena homes, and the installation details differ between them. The Classic-Craft and SlimLine series show up most often in the craftsman bungalows around Bungalow Heaven and the Spanish-style homes in Madison Heights, while the Signature and Benchmark lines are more common in the newer builds up near Hastings Ranch and east Pasadena. Here’s the compatibility gotcha most people don’t know until they’re staring at a window that won’t close: Therma-Tru sashes are engineered to pair with the frame profile they shipped with, so an aftermarket sash from a generic supplier can technically fit the rough opening but leave a 3/16-inch reveal gap that whistles in a Santa Ana wind. We always match the sash to the frame series, not just the glass dimensions.
Identifying your model takes about sixty seconds. Look at the corner of the window frame for a laser-etched code, then check the hinge side of the sash for a printed label with the series name and a five-digit production number. If that label has faded, measure the visible glass width to the nearest 1/8 inch and compare it against common Therma-Tru callouts in our field guide. OEM replacement parts hold their fit and finish best, but for discontinued Classic-Craft runs, quality aftermarket equivalents from our suppliers perform well at 30 to 40 percent less than OEM. We’ll give you both numbers and let you decide.
Signs Your Therma-Tru Window Installation Is Failing
- Visible condensation between the panes. The insulating argon or krypton gas has leaked through a failed seal. The glass unit is physically done and needs replacement, not a wipe-down.
- The sash droops or catches when you slide it. That’s a worn sash balance or a warped frame corner. In Pasadena’s dry heat, frame warping happens faster than in coastal climates because the framing lumber loses moisture unevenly.
- A draft you can feel when standing near the window on a 40-degree January morning. Flat weatherstripping or a sagged hinge has opened an air gap. Your U-factor stops meaning much once air moves freely around the sash.
- The lock no longer engages. Keeper and strike alignment shift as the frame settles or swells with seasonal humidity shifts. Forcing the lock just bends the hardware and guarantees a bigger fix later.
- Water staining on the interior sill or drywall below the window. That’s a flashing or seal failure, not a housekeeping issue. In Pasadena’s winter storm bursts, a small leak turns into mold with surprising speed.
Replacement Cost & What’s Included
For a single Therma-Tru window installation replacement in Pasadena, expect to pay between $220 and $485 depending on sash size, frame condition, and whether we’re doing a full-frame or insert-style replacement. That price includes the new unit, all hardware and fasteners, new weatherstripping, fresh flashing and sealant, disposal of the old parts, and our labor from start to finish. You get a written, line-item quote before work starts, and the number on that quote is the number you pay. No change orders, no “we discovered something” conversations mid-job.
Every Therma-Tru window installation we complete in Pasadena falls under the 365-Day Done Right Promise: 365 days, parts and labor, in writing. If the window doesn’t sit right, seal right, or operate smoothly, we come back and fix it. No charge, no argument. That’s the standard, and it’s been the standard since Sean Mackey started with Juniper.
DIY or Call Us?
You can diagnose a failing installation yourself. Slide the sash, check for daylight at the corners, run a hand along the frame for drafts. That’s sensible and free. What we don’t recommend is pulling the sash out and swapping balances or springs on your own. The hinge mechanisms on some Therma-Tru series carry enough stored tension to snap back hard enough to break a finger, and the flashing work around the frame requires more than a caulk gun if you don’t want water following the jamb into your wall.
If the sash is out of track, the frame is visibly warped, or water is getting past the seal, the risk isn’t worth the saved labor. Call (626) 657-5977 for an exact quote on your model. We’ll tell you the straight answer, even if the answer is “you can probably wait six months on that one.”
FAQs
Plan on 18 to 25 years in Pasadena’s climate, with the higher number on shaded or north-facing walls and the lower on west-facing windows that get hammered by afternoon sun year-round.
Call (626) 657-5977 if yours is showing age before year 15, because the earlier we catch a failing seal or balance, the less invasive the fix tends to be.
Sometimes yes. Flat weatherstripping, a loose keeper, or a minor hinge adjustment is a repair, not a replacement. But a blown glass unit or a warped frame means the installation itself is compromised, and we’ll tell you that directly rather than sell you a repair that buys twelve months.
We stock replacement components on the truck for most Therma-Tru series, so a diagnosis call often ends with the window working again the same day. Call (626) 657-5977 to schedule a look.
A single insert-style replacement runs about two to three hours from start to finished trim. A full-frame replacement with new flashing typically takes half a day, and we keep you posted with photo updates as the job moves.
Every job gets a written price before work starts and a digital invoice when the window is in, so there’s no waiting around for a paper trail. Call (626) 657-5977 for a time estimate specific to your window.
We keep common Therma-Tru hardware and installation components on the truck, including balances, hinges, weatherstripping, and full replacement sashes for the series we see most often in Pasadena. If your specific unit needs a special order, we’ll tell you the delivery window before you commit.
We also install and service window products from PGT, CGI, and CWS if you’re weighing your options or have a mixed house. Call (626) 657-5977 and ask for Sean’s crew.
Written by Sean Mackey, Owner, Juniper Windows Pasadena at Juniper Windows Pasadena, serving Pasadena and nearby areas.
Six Reasons Homeowners Choose Juniper Windows Pasadena
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.