Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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Most window and door work in Lennox runs $180 to $1,200 per opening depending on whether we’re replacing a single aluminum slider or installing a full STC-rated acoustic assembly. We’re Lightwell Windows & Doors, and we dispatch crews to Lennox from our Los Angeles office with products from eight manufacturers on hand. Call (562) 478-8017 and we’ll put a written price in front of you before any work starts.
Why Lennox Homes Are Different
Lennox sits directly beneath LAX’s primary flight paths, which means acoustic performance isn’t a luxury here, it’s the reason most homeowners call us. LAWA’s Residential Sound Insulation Program has already retrofitted many Lennox residences with FAA-spec STC-rated window assemblies, and replacement work must match or exceed those certified ratings or the noise comes right back.
The housing stock compounds the challenge. Most Lennox homes are modest post-WWII stucco bungalows and small apartment buildings built between the late 1940s and early 1960s. They still carry original or early-replacement single-pane aluminum sliding windows in narrow rough openings. Tight lot spacing means full-frame replacements often require creative access, and the coastal marine layer, blanketing Lennox most mornings from its position 3 – 4 miles off the Pacific, oxidizes those aluminum frames and corrodes exterior door hardware faster than inland cities.
We’ve seen homeowners replace LAWA-spec windows with standard vinyl double-panes and effectively undo a federally funded upgrade with no recourse. That’s why STC-rated glass is a mandatory conversation on every Lennox estimate, not an upsell.
Our Main Lennox Services
Most calls from Lennox fall into three categories: replacing aging single-pane units, installing windows in additions or converted garages, and upgrading entry doors for security and noise isolation.
Window Replacement in Lennox
We remove existing aluminum or early vinyl units and install new assemblies that match or exceed any LAWA Sound Insulation Program ratings already on the home. Our crews work with the narrow rough openings common in 1950s Lennox bungalows, and we protect floors with drop cloths and shoe covers throughout. Window Replacement in Lennox covers our full process and product options.
Window Installation in Lennox
New construction and addition work in Lennox requires the same acoustic planning as replacement jobs, plus coordination with the city’s building department for rough and final inspections. We pull permits, schedule inspections, and explain every line of the written price before cutting anything. Window Installation in Lennox details our new-construction approach.
Door Installation in Lennox
Entry and patio door work in Lennox means selecting hardware that withstands salt-air corrosion and assemblies that don’t leak acoustic rating at the frame. We stock marine-grade hardware options and STC-rated patio door systems for homes under the flight path. Door Installation in Lennox walks through our door-specific process.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Lennox
We carry PGT, CGI, CWS, and ViewLux products locally, with ES Windows, ECO Window Systems, Mr-Glass, and Therma-Tru available on comparable turnaround. Most STC-rated assemblies ship within two weeks, and standard vinyl replacements often arrive in under a week. See our brands for full specifications.
Pricing for Window Company in Lennox, CA
| Service | Typical range in Lennox |
|---|---|
| Single aluminum slider replacement (standard vinyl) | $180 – $340 |
| Single aluminum slider replacement (STC-rated) | $380 – $620 |
| Double-hung vinyl replacement (standard) | $320 – $480 |
| Double-hung vinyl replacement (STC-rated) | $520 – $780 |
| Picture or fixed window replacement (standard) | $280 – $450 |
| Picture or fixed window replacement (STC-rated) | $480 – $720 |
| Patio door replacement (standard vinyl) | $650 – $950 |
| Patio door replacement (STC-rated, multi-point lock) | $950 – $1,400 |
| Entry door replacement (steel, prehung) | $580 – $880 |
| Entry door replacement (fiberglass, STC-rated) | $880 – $1,200 |
| New construction window install (standard, per opening) | $220 – $380 |
| New construction window install (STC-rated, per opening) | $420 – $680 |
What pushes Lennox prices up: STC-rated glass and acoustic framing, access constraints on tight lots, and permit coordination with the city. What doesn’t change: our written price before any work starts, every time, with no invoice surprise at the end.
Neighborhoods We Serve in Lennox
We work across Lennox’s full residential footprint, from the bungalow courts near Lennox Boulevard to the apartment clusters along Hawthorne Boulevard and the single-family pockets between Century Boulevard and 104th Street. Most estimates are scheduled within two business days.
- Lennox Boulevard corridor
- Hawthorne Boulevard apartment district
- Century to 104th Street residential pocket
- Adjacent Inglewood border blocks
Service Area – Cities Near Lennox
Our Los Angeles office dispatches crews throughout the metro area. Beyond Lennox, we regularly serve Los Angeles, CA, San Diego, CA, San Jose, CA, and San Francisco, CA. Each Lightwell location is independently operated, so your crew knows your city’s permit requirements and housing stock.
Serving Lennox, CA - Our Local Coverage Area
We’re based in the Lennox 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 About Window Company in Lennox
Yes. The city of Lennox requires permits for any window that changes the opening size or affects structural framing; even same-size replacements in sound-insulated homes may need documentation proving STC rating match. We pull permits and schedule inspections as part of every job. Call (562) 478-8017 to confirm what your specific project requires.
We typically book estimates within two business days, and most standard installations follow two to three weeks after contract signing. STC-rated assemblies may add a week for specialty glass ordering. Call (562) 478-8017 to check current availability.
Only if the new units don’t match the original STC rating. We verify your home’s LAWA documentation before recommending products, and we specify acoustic assemblies that preserve or improve upon that rating. Call (562) 478-8017 and we’ll review your program paperwork during the estimate.
Call (562) 478-8017 to schedule your free estimate. We’ll put a written price in front of you before any work starts, and every job carries our 365-Day Done Right Promise.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Lennox Customers Say
"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."
- Brent Sakamoto"New patio slider. Clean install, they protected the floor and hauled off the old door. Quiet, polite crew that worked around my work calls without complaint."
- Andre Bellamy"They replaced a big foggy picture window. Careful with the furniture, laid down protection, and left no mess at all. Calm and respectful crew, and the view is clear again."
- Teresa Okafor