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
ECO Window Systems Window Replacement: The Los Angeles Owner’s Guide
ECO Window Systems window replacement in Los Angeles typically runs $650 – $1,450 per window installed, depending on the series, glass package, and whether the frame needs rebuilding. Most single-window swaps take one to three hours once the replacement unit is on site, and we stock common ECO Window Systems-compatible hardware and glass on our trucks for same-day fixes when the failure is isolated to a sash, balance, or seal. The way most owners discover the problem is plain enough: a window that won’t stay open, fog between the panes that won’t clear, or a draft that shows up every January when the marine layer gives way to a dry cold snap.
We’re Westlight Windows Los Angeles, an independently owned and operated Kingswell location. We’re not affiliated with ECO Window Systems the manufacturer, but we’ve installed and repaired their product line across Los Angeles long enough to know exactly what fails, what doesn’t, and what the honest fix costs. Owen Satterfield founded this company in 2009, and he’s been measuring and hanging windows across the basin since before that. A window should work as hard as the house it’s in, and when it stops doing that, the fix should be straightforward and the price should be written down before anyone touches a screwdriver.
Key takeaways:
- We install and replace ECO Window Systems products and compatible equivalents, with written pricing before work starts.
- Most single-unit replacements run $650 – $1,450 installed in Los Angeles.
- Common failures: failed glass seals, worn balances, stripped operators, and warped sashes from direct sun exposure.
- We stock parts for ECO Window Systems plus PGT, CGI, and CWS products on our trucks.
- Every job carries the Kingswell Guarantee and our 365-Day Done Right Promise in writing.
Which ECO Window Systems Models This Applies To
ECO Window Systems builds vinyl and aluminum windows grouped into a few series lines that you’ll see throughout Los Angeles homes, from Mar Vista ranches to the foothill tracts above Pasadena. The most common ones we replace are the single-hung and horizontal slider units in their standard residential series, followed by casement and picture windows in homes that went with a mixed-grid layout. Identifying your window is not complicated: look for the manufacturer label on the top edge of the sash or the inside face of the frame. If the label is gone, which happens often enough after years of sun and window cleaner, a good measurement and a photo of the balance or corner weld will usually tell us what we’re dealing with.
The compatibility gotcha with ECO Window Systems specifically is glass thickness and frame depth. Some of their earlier Los Angeles installs use a 2-5/8-inch frame depth with a 7/8-inch insulated glass unit, while newer builds sit at 3-1/4 inches with a 1-inch IGU. It looks like a small difference until a replacement sash shows up a quarter-inch too thick for the track. We measure before we order, every time. When it comes to parts, we’ll run genuine ECO components when the match is clean and the lead time is reasonable. When a factory part is backordered, we’ll tell you that outright and offer a quality aftermarket equivalent that meets the same spec, with the price difference spelled out so you can choose knowingly.
Signs Your ECO Window Systems Window Replacement Is Failing
Here’s what Los Angeles homeowners usually notice first, and what’s actually going on behind it:
- Fog or haze between the panes that never clears. The desiccant inside the spacer has saturated, and the glass seal has let go. Once moisture is inside the IGU, cleaning won’t fix it. The glass unit needs replacement.
- A sash that drops shut the moment you let go. The block-and-tackle or spiral balance inside the jamb has worn out. These are replaceable individually, and we do single-balance swaps rather than forcing you into a full window replacement when the frame is still solid.
- A crank or handle that spins without moving the sash. The operator gear teeth have stripped, which happens when the window gets forced against a painted-shut frame or years of dry dust buildup in the track wears the mechanism. The operator is a stock truck item for us.
- Visible rot or softness in a wood-clad frame corner. Los Angeles isn’t a rot climate like the Gulf Coast, but west-facing windows without proper flashing take direct sun and winter rain at the same corner, year after year. Once the frame cladding separates enough to let water sit, the repair becomes a frame rebuild rather than a sash swap.
- A draft you can feel with the window closed and locked. The weatherstripping has compressed or the sash has warped slightly out of square. On older ECO units, the vinyl can bow under sustained heat, especially on south-facing walls in the Valley. Sometimes new weatherstripping solves it; sometimes the sash itself is done.
Replacement Cost & What’s Included
In Los Angeles, a single ECO Window Systems window replacement, glass-only or glass-plus-sash, generally runs $650 to $1,450 installed. That price includes the replacement unit, any hardware or balance work needed for proper operation, removal of the failed component, and cleanup that leaves the sill and floor cleaner than we found them. Bigger picture windows, large sliders, or units with argon-filled low-e glass and tempered panes will push toward the upper end or slightly beyond, which we’ll tell you before ordering anything.
What drives the spread: glass type (clear versus low-e versus dual-pane argon), whether we’re replacing just the insulated glass unit or the entire sash, and whether the frame itself needs repair. A straight IGU swap usually lands at the bottom of that range. A full sash replacement with new balances and stops lands in the middle. A frame rebuild because the corner has softened sits at the top. Every job gets a written quote before any work starts. No revised invoices at the door, no “while we’re here” add-ons. That’s the Kingswell Guarantee working the way it should.
DIY or Call Us?
There are a few things an owner can safely check before picking up the phone. Open the window fully and look at the balance or track for visible debris or snapped parts. Run the sash slowly and listen for grinding. Check the label, if it’s still there, and take a photo of the window from the inside and out. That information helps us quote accurately over the phone. What we don’t recommend: pulling the sash out of the jamb yourself. Vinyl windows hide their fasteners behind trim, and older balances are under tension. A slipped screwdriver on a loaded spiral balance can tear your hand open faster than you’d think. Same goes for trying to cut or replace your own glass unit from a hardware store sheet. We’ve seen too many windows where the “simple fix” left the frame cracked and the track bent, and the eventual repair cost twice what it would have originally.
If you’d rather know your real number before another week goes by, call us at (213) 810-3461. Someone picks up, day or night, and we’ll walk through what you’re seeing and get you a written estimate.
FAQs
Plan on 15 to 25 years for the frame and hardware, with glass seals typically failing somewhere in the 10-to-18-year range, especially on south- and west-facing walls that take full Los Angeles sun. Coastal homes near the marine layer sometimes see seal failure earlier from salt air. Call (213) 810-3461 for specifics on your unit.
Yes, in many cases we can replace just the failed component, whether that’s a balance, an operator, weatherstripping, or a fogged glass unit. If the frame or sash is warped, the honest fix is a full unit replacement, and we’ll tell you that plainly. We stock ECO-compatible parts and carry PGT, CGI, and CWS hardware as well for mixed-brand homes.
Most single-window replacements are a one-to-three-hour job, including cleanup. If the failure is a stock part like a balance or operator, we can often complete the repair in a single visit from what’s on the truck. Call (213) 810-3461 for an exact timeframe based on your symptoms.
We stock common ECO-compatible balances, operators, weatherstripping, and sealed glass units for standard sizes, and we carry hardware for PGT, CGI, and CWS as well. Larger or custom-size glass units are ordered to spec, which typically takes five to ten business days. We’ll give you a written lead time with your quote.
When an ECO window fails, the fix should be predictable: someone answers the phone, shows up in the window they gave you, writes the price down before starting, and comes back at no charge if it’s not right within a year. That’s how we’ve run Westlight Windows Los Angeles since 2009. Call (213) 810-3461 for a free estimate, or to ask Owen a question about your window that’s been driving you crazy.
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.