New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Long Beach 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 Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Therma-Tru Windows & Doors in Norwalk, CA | Juniper Windows Long Beach
We’re an independent Therma-Tru service provider covering all of Norwalk, and we handle everything from weatherstripping replacements on Classic-Craft entry doors to full Slim-Line slider overhauls. What makes our work here different is simple: we know the 1950s-60s tracts of Norwalk well enough to predict what fails before you call us. Sean Mackey and our crew have been solving Therma-Tru problems across this city for years, and we quote every job in writing before any work starts. Call (562) 317-8865 for a free estimate.

Why Norwalk Residents Choose Us for Therma-Tru Service
Therma-Tru builds a solid fiberglass door, but Norwalk’s climate and housing stock put specific stresses on them that generic service crews miss. We’re Therma-Tru sales & service specialists who’ve pulled apart enough Pulse Series hinges and Slim-Line rollers across this city to know exactly what Norwalk’s dust, heat, and settling slabs do to these products. Sean grew up in Los Angeles and trained at LA Trade-Tech, where hands-on building construction coursework taught him what actually holds a door frame square. That matters when your 1962 stucco home off the 605 has a header that’s been sagging for thirty years.
We’re not manufacturer-affiliated or authorized. That’s an advantage, because our diagnosis is based on what we see in the field, not what a warranty department wants to hear. When a south-facing Smooth-Star door delaminates from repeated 90°F+ summers, we’ll tell you whether to repair or replace and quote both options honestly. Written price, parts and labor, before a single screw turns.
Common Therma-Tru Windows & Doors Problems We Solve in Norwalk
- Failed compression weatherstripping on Classic-Craft doors. Santa Ana winds push dust through worn seals, especially in Norwalk’s older tracts near the 605, where the original entryways often lack proper flashing. We replace with genuine Therma-Tru weatherstripping or a heavier aftermarket seal that holds up to wind-driven grit better than the OEM part.
- Warped or delaminated fiberglass skins on Smooth-Star doors. Prolonged direct sun on south-facing exposures in Norwalk, where summer highs regularly cross 90°F, can cause the skin to separate from the core. If the damage is caught early, we can sometimes re-secure it; if the core is compromised, a new slab is the smarter money.
- Fogged insulated glass in Slim-Line sliders. Norwalk’s dry heat and seasonal temperature swings accelerate seal failure on older IG units. We replace the glass pack rather than the entire door when the frame is still sound, which saves hundreds.
- Corroded adjustable hinges and strike plates on Pulse Series doors. Winter moisture and minerals in the local air attack exposed hardware. We swap in corrosion-resistant replacements and check the reveal so the door doesn’t bind on the jamb.
- Sagging entry doors from undersized headers. In many 1950s-60s Norwalk homes, the original header over the front door wasn’t engineered for the weight of a fiberglass door plus decades of use. We add steel angle or LVL reinforcement above the opening so the new door stays square.
Therma-Tru Service in Norwalk: What Local Conditions Mean for Your Equipment
East of the 605 in Norwalk, we see something that’s rare in Cerritos or newer developments just a few miles away. If you’re considering Norwalk Window Replacement, this local knowledge matters. Original 1950s-60s entryways were often framed with undersized, non-load-bearing headers built for hollow-core wood doors. Put a heavier fiberglass Classic-Craft on that opening and the header can sag over time, throwing the door out of alignment and creating air leaks at the top corner. We don’t just shim the hinges and call it done. We reinforce the header with a steel angle or LVL before hanging the new door, which prevents the same misalignment from returning. This is the kind of detail that separates a door replacement that lasts twenty years from one that starts sticking again in eighteen months. It’s also why our quotes for Norwalk homes east of the 605 sometimes include a line item you won’t see on a generic door company estimate.
Therma-Tru Models & Products We Service in Norwalk
We service the full Therma-Tru line that shows up in Norwalk service area homes: Classic-Craft fiberglass entry doors, Smooth-Star entry doors, Pulse Series doors, and Slim-Line sliding patio doors. Our parts approach is practical. We use genuine Therma-Tru weatherstripping, hinges, and glass packs where they matter for fit and warranty, but we’ll recommend aftermarket seals and multipoint locks when they genuinely outperform OEM for Norwalk’s dust and wind loads. We stock common parts locally so we’re not waiting on a distribution center when your front door won’t latch. Entry doors, weatherstripping and seal replacement, full frame replacement, and impact-resistant window upgrades are all in our regular rotation.
Therma-Tru Service Pricing in Norwalk
Service calls in Norwalk start at $149 to show up and diagnose, and that fee rolls into the repair if you approve the work. Weatherstripping replacement on a Classic-Craft door typically runs $180 to $320. New adjustable hinges, strike plates, and hardware adjustments land around $120 to $260. Glass pack replacement for a fogged Slim-Line slider runs $450 to $1,100 depending on size and glass type. A full Classic-Craft entry door replacement, including slab, hardware, and labor, lands between $2,200 and $4,900. If you’re replacing a warped Slim-Line with an impact-rated model, budget $2,800 to $5,500. Every quote we write is a fixed number, not an estimate that changes when the work starts. Call (562) 317-8865 and we’ll give you exact pricing for your door.
Serving Norwalk, CA - Our Local Coverage Area
We’re based in the Norwalk 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 – Therma-Tru Windows & Doors in Norwalk
Close the door on a dollar bill. If it slides out easily, the compression seal is compromised. During Santa Ana winds, also check for dust accumulation on the entry floor near the bottom corners, which indicates the sweep or side seals have lost their flex. Replacement weatherstripping on a Classic-Craft door in Norwalk typically runs $180 to $320 installed. Call (562) 317-8865 and we’ll confirm the leak source before quoting anything.
It depends on whether the fiberglass skin has separated from the core and whether the internal framing is still straight. Delamination from prolonged heat exposure on a south-facing door sometimes can be re-bonded. If the door has been sagging on a failed header for years, the slab itself is likely compromised and replacement makes more sense than repeated repairs. We’ll assess both options and give you a fixed price for each.
Yes. Expansive clay soils under many Norwalk slabs cause gradual settling that pulls Slim-Line tracks out of level. We replace worn rollers, re-shim the track, and check the header above the opening for sag. If the settlement is too severe, we’ll tell you before quoting anything cosmetic.
You’re usually looking at a full frame replacement. Impact-rated doors are heavier and require a stronger fastening system, properly anchored header, and impact-rated glass if the door has a lite or sidelight. We assess the existing rough opening, reinforce the header if needed, and install a new Classic-Craft or Smooth-Star system that meets current code. Expect $2,200 to $4,900 for a typical Norwalk entry door replacement, including our Window Installation in Norwalk.
Usually yes. The decorative glass insert is a separate component from the door slab, so we can remove the old glass frame, install a new sealed unit, and reinstall it without touching the door itself. Cost ranges from $450 to $1,100 depending on size and glass pattern. If the insert is discontinued, we’ll source a compatible replacement that preserves the door’s look. Call (562) 317-8865 for exact pricing on your glass size.
Service Areas Near Norwalk
We serve all of Norwalk and the surrounding communities, including Therma-Tru service in Garden Grove, Therma-Tru service in Long Beach, Bellflower, Carson, Buena Park, and Cerritos. If you’re within a short drive of Norwalk, there’s a good chance we handle your street.
Book Your Therma-Tru Service in Norwalk Today
If your Therma-Tru door is letting dust in, sticking, or showing fog between the glass, call (562) 317-8865 today. We answer live, we’ll schedule your visit, and you’ll get a written price before we touch a screw. Good windows don’t whisper – they seal, insulate, and stay quiet for twenty years. We’ll make sure yours do.
Written by Sean Mackey, Owner & Lead Installer at Juniper Windows Long Beach, serving Norwalk and surrounding Los Angeles basin communities since 2001.
Six Reasons Homeowners Choose Juniper Windows Long Beach
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.