New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Los Angeles 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
CWS Window Installation: The Los Angeles Owner’s Guide
If you have a CWS window that is failing, leaking, or simply worn past its useful life, we stock CWS-compatible replacement windows and install them throughout Los Angeles. Most CWS window replacements in the LA basin run between $850 and $1,900 per window installed, depending on size, glass package, and frame condition. The typical discovery is quiet at first: a window that will not latch in June, a draft you notice in January, or condensation between the panes that never goes away. When you finally run your hand along the frame and find rot or a warped sash, that is the moment to call. We are an independent service provider, not a CWS factory branch, which means we can quote the fix honestly and stock what actually works.
Which CWS Models This Applies To
CWS built its reputation on impact-rated and energy-efficient windows, and we routinely work on their single-hung, horizontal slider, casement, and picture window lines. The model designation is printed on a small label or etched stamp, usually on the inside of the frame near the bottom corner of the sash. If the label is gone, we measure the frame opening, glass thickness, and the mullion profile to confirm what you have before quoting anything. A key compatibility gotcha with CWS: their impact-rated sashes are nearly half an inch thicker than the non-impact lines, which means a replacement sash from a standard CWS series will not seal correctly in an impact frame. Aftermarket sashes exist, but in our experience the OEM or certified-equivalent route is almost always the smarter call on CWS windows because their weep routing and drain channels are specific to the series. We carry the common sizes on our trucks and order the rest.
Signs Your CWS Window Installation Is Failing
- Condensation between the panes. The seal has failed, not the frame. Once the insulating gas between the two layers of glass escapes, the window loses its thermal performance and you cannot wipe the fog away from the outside.
- The sash will not stay up or will not lock. Worn balance shoes or a warped latch mechanism. This is a mechanical failure inside the frame and it usually gets worse the longer you force it.
- You can feel air moving around the perimeter on a breezy day. The weatherstripping has compressed or torn, or the frame itself has shifted out of square. In older Los Angeles homes near the coast, salt air accelerates this wear.
- Soft spots or dark streaks at the frame corners. Moisture has penetrated the joint where the frame meets the wall. In Los Angeles neighborhoods with older stucco, this often traces to a missing header flashing, not the window itself.
- The window is difficult to open after rain. Water swelling in the frame tracks, which points to clogged weep holes or a failed sill dam. Ignore it and the internal hardware rusts and seizes.
Replacement Cost & What’s Included
For most CWS window replacements in Los Angeles, expect to pay $850 to $1,400 for a standard single-hung or slider, $1,200 to $1,900 for a casement or picture window, and $1,400 to $2,300 if the window is impact-rated or oversized. The spread comes down to glass package, frame width variance in older Los Angeles wall depths, and whether the surrounding jamb needs repair once the old window comes out. Every price we quote includes the window, installation labor, haul-away of the old unit, new flashing and sealant, and our written guarantee. You get a line-item written price before any work starts. If the work fails within the guarantee period, we come back and fix it at no charge, no negotiation. Owen Satterfield grew up in the Palms neighborhood of Los Angeles, where he learned to measure frames twice because older stucco walls are never perfectly square. That habit carries over to every CWS replacement we do now.
DIY or Call Us?
You can safely inspect a few things: check the label for the model, look for condensation between the glass, test the lock, and run a strip of tissue paper around the sash to find drafts. What you should not do is pull the window out yourself. Full frame replacement on CWS windows means cutting into the exterior stucco, re-flashing the opening, and re-sealing against Los Angeles wind and rain exposure. Get the flashing wrong and you trade a leaky sash for a rotted wall. A window should work as hard as the house it is in, and the only way to guarantee that is a square install with the right flashing detail. If you are in Los Angeles and have a CWS window that needs replacing, call (213) 810-3461 and we will schedule a time to measure it and give you a written price.
FAQs
CWS windows in Los Angeles typically last 20 to 30 years, though windows on the west-facing side of a house in neighborhoods like Palms or Mar Vista may show seal failure in 12 to 15 years because of sustained afternoon sun and heat on the frame. Coastal exposure in Venice or Playa del Rey shortens hardware life with salt air. If your CWS window is beyond 20 years and showing any of the failure signs above, replacement is usually more cost-effective than repeated repairs.
Yes, in some cases a broken latch, worn balance shoe, or torn weatherstripping can be replaced as a component, typically for $180 to $400 per window depending on the part. If the seal is blown or the frame has rot, repair is a band-aid and the window should be replaced. Call (213) 810-3461 and we will tell you which category your window falls into, honestly.
A standard CWS window replacement in Los Angeles takes 2 to 4 hours for one window, and we can typically complete 3 to 5 windows in a single day. Casement and picture windows with large glass panels take longer to set and trim. We give you a committed arrival window before the day of the job and the install date before any payment leaves your hands.
We stock the most common CWS window sizes and sash hardware on our trucks, and we order less common sizes and impact-rated configurations from our Los Angeles suppliers, which typically arrive in 5 to 10 business days. We will tell you at the estimate visit whether your window is a stock item or an order item, and your written price reflects that. Call (213) 810-3461 today for a free estimate.
Written by Owen Satterfield, Owner, Westlight Windows Los Angeles at Westlight Windows Los Angeles, serving Los Angeles and nearby areas.
Six Reasons Homeowners Choose Westlight Windows Los Angeles
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.