New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Orange County 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
Trusted Window Installation for Orange County Homeowners
A window installation in Orange County is not the kind of job you want to think about twice. A bad one shows up months later as a draft in January, a latch that no longer lines up, or a frame that lets the marine layer in. Westlight Windows & Doors was founded in 2009 by Owen Satterfield with a simple rule: put every price and every promise in writing before a single screw turns. We install eight manufacturer lines, including PGT and CGI, so the glass matches the job instead of the other way around. Whether you’re in Newport Beach watching the salt air test your casings or up in Villa Park where the afternoon sun beats on the west wall, you’ll get a written price, a real arrival window, and a written guarantee on the finished work. Call (424) 414-2048 to talk to a live person about your project.
Casement Windows
Casement Windows are hinged on one side and crank outward, which makes them one of the tightest-sealing window types you can put in a coastal climate like Orange County’s. Because the sash presses against the frame when closed, a well-installed casement blocks the drafts that sliding windows let through. Westlight Windows Orange County installs casement units from PGT and ECO Window Systems, and most single-unit casement replacements run $600 – $1,400 installed depending on size and glass package. The crank hardware is the first thing to wear out on an older unit, but on a new installation it should operate with one finger for a decade or more.
Coastal Seal Performance
In cities like Costa Mesa and Newport Beach, the onshore wind pushes against window exteriors all afternoon. A casement window actually tightens its seal under that pressure. We check the weatherstripping compression on every install so the window holds its seal the day it goes in and five years later.
Opening Direction and Hardware
The crank mechanism has to be mounted so the window opens into usable space, not into a shrub bed or walkway. Westlight measures the rough opening and the exterior clearance before ordering. The written quote includes the full hardware set, so there is no add-on charge for cranks, hinges, or locks when the crew arrives.
Double Hung Windows
Double Hung Windows have two sashes that slide vertically, so you can open the top, the bottom, or both. That flexibility matters in Orange County, where the evening offshore breeze cools a house quickly if you can open the top sash to let warm air out. Most double hung replacements in Orange County run $500 – $1,100 installed per unit, with the spread driven by glass package and whether the frame needs full tear-out or pocket replacement. Westlight Windows Orange County installs double hung units primarily from ECO Window Systems and CWS, and the written estimate includes a line item for every component.
Tilt-In Sash Cleaning
Every double hung we install has tilt-in sashes, which means you can clean both sides of the glass from inside the house. That is a real quality-of-life feature if you live in a two-story home in Tustin and do not enjoy balancing a ladder on landscaping. We show you how the tilt mechanism works before we leave the driveway.
Balance System Longevity
A double hung window that slams shut or will not stay open has a failed balance system. On new installs, Westlight uses coil or block-and-tackle balances matched to the sash weight, and we confirm operation through ten full cycles before signing off. If the balance fails inside the guarantee period, we come back and replace it at no charge under the 365-Day Done Right Promise.
Vinyl Windows
Vinyl Windows are the workhorse of Southern California replacement jobs, and for good reason: a well-made vinyl frame will not rot in the coastal damp, does not need repainting, and costs less than fiberglass or aluminum-clad wood. Most vinyl window replacements in Orange County run $400 – $900 installed per unit, and the price moves with the size, the glass package, and whether we are doing a pocket replacement or a full frame replacement. Westlight Windows Orange County carries vinyl lines from ECO Window Systems and Mr-Glass, and we match the frame profile to the age of the house so a replacement does not look like a patch job.
Fusion-Welded Frame Corners
The corner of a vinyl frame is where cheap windows fail first. The fusion-welded corners on the ECO and Mr-Glass units we install are structurally bonded, not mechanically screwed, which means they hold their square in the heat of a Placentia summer. We inspect every corner at the shop before the window ever gets loaded on the truck.
UV and Salt Air Durability
Orange County sun is hard on paint and harder on cheap vinyl, which can chalk and yellow in five years near the coast. The vinyl we install has UV-stabilized compounds rated for continuous sun exposure, and the frames carry the manufacturer’s warranty against discoloration, not just against cracks. If you are in Laguna Beach or Fountain Valley, ask about the upgrade to a coastal-rated vinyl when you call.
Picture Window
A Picture Window is a fixed pane of glass that does not open, which sounds like a compromise until you see what it does for a room. Because there is no sash or frame hardware blocking the view, a picture window gives you the largest possible glass area for a given rough opening. Picture window installations in Orange County typically run $500 – $1,500 installed, with the wide range reflecting glass size, energy coating, and whether the unit is tempered. Westlight Windows Orange County installs picture windows from ES Windows and PGT, and we can frame them as standalone units or as the centerpiece of a larger window wall.
Low-E Coating and Orientation
The glass package on a picture window matters more than the frame because the glass is the whole unit. For west-facing walls in Irvine or San Juan Capistrano, we recommend low-e glass, a thin coating that reflects heat back out in summer while letting light through. The written quote lists the specific coating and its performance numbers, so you know what you are buying.
Fixed Frame Sealing
A picture window never opens, so the only thing standing between your living room and the outside air is the seal around the frame. Westlight uses a continuous backer rod and high-grade sealant bed, tooled clean so water sheds off the sill instead of pooling. We also check the flashing above the rough opening because most picture window leaks start at the head, not the sill.
Bay Window Installation
Bay & Bow Windows change the footprint of a room, which means installation is a structural job, not a glass swap. A bay window projects outward from the wall on a framed platform, typically with a fixed center unit flanked by venting side windows. In Orange County, a full bay window installation runs $2,500 – $6,500, the spread driven by projection depth, seat and roof details, and whether interior finish work like drywall and trim is included. Westlight Windows Orange County handles the framing, the flashing, the seat board, the exterior skirt, and the window units themselves, so you are not coordinating three trades on one opening.
Structural Support and Overhang
A bay window has to carry its own weight plus the weight of anyone who sits in the seat. The support brackets or cable system must anchor to the existing wall structure, and in Orange County homes built before 1980 that often means sistering into true studs, not just sheathing. We open the wall far enough to see what is actually there before we order the window.
Interior Finish and Seat Work
The bay seat is where a lot of installers lose the job. Westlight includes the interior seat construction and trim in the written price, not as a “while we are here” add-on. If you want the seat to match your existing baseboard profile in a Laguna Hills home, we can match the trim in the quote.
Window Contractor
A Window Contractor is the licensed professional who measures, orders, installs, and warrants window work, and in Orange County the difference between a contractor and a handyman shows up on the permit and the paper trail. Westlight Windows Orange County is an independently owned and operated Kingswell location led by Owen Satterfield, and every job is governed by the Kingswell Guarantee: a written price before any work starts, a committed arrival window, a clean job site, and a written guarantee on the completed work. Window installation labor in Orange County typically runs $150 – $400 per unit depending on access and the amount of interior trim work, and that labor number is listed in our written quotes.
Written Quote, No Door-Step Changes
The Kingswell Guarantee means the price Owen puts in writing is the price you pay. If the crew finds a surprise in the wall cavity, we stop work and put the change in writing before proceeding. That is the Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
Background-Checked Crews
Every technician who arrives at your Orange County home is background-checked and uniformed, so you know exactly who is walking through the door. The same crew that starts your job finishes it, and the foreman on site is the person who signed your scope of work. No rotating subs, no strangers in the backyard.
Window Installers
Window Installers are the people who do the physical work: pulling the old sash, prepping the rough opening, leveling the new frame, and sealing it correctly. Westlight Windows Orange County runs our own installation crews rather than brokering the work out to whoever is available that week. That matters in Orange County because a window installed out of level by even a quarter inch will bind, leak air, and fail years early. Hourly installation labor in Orange County typically runs $75 – $150 per hour per installer, and your written quote includes the full labor line so you can see exactly what you are paying for.
Flashing and Water Management
The window unit itself is only half the job. The flashing, the sill pan, and the exterior seal are what keep rain out of the wall cavity during an El Niño winter. Westlight installers use flexible flashing and a pitched sill pan on every full-frame replacement, not just on coastal jobs in Newport Beach.
Cleanup and Site Protocol
The Kingswell Way includes leaving the place cleaner than we found it. That means the old window glass, the broken stucco, the stray fasteners, and the sealing tubes all leave with us. Your yard in Fountain Valley or Costa Mesa gets the same treatment as a ten-thousand-square-foot house in Newport Coast.
Brands We Service
PGT windows are engineered for impact resistance, which is why we recommend them for Orange County homes in wind-exposed areas near the coast or in the canyon passes where Santa Ana winds howl. The PGT frames we install carry their full manufacturer warranty, and our crew is trained on PGT’s specific installation requirements, including the structural anchoring specs that protect the impact rating.
CGI builds high-end impact-rated windows and doors, and Westlight Windows Orange County has installed CGI units in homes from Irvine to Laguna Beach where the view is the whole point of the window. CWS and ES Windows round out our higher-end lines for custom sizing and larger picture wall applications. Whether you have a favorite brand already picked out or want us to match the right product to the job, we can help. Call (424) 414-2048 and Owen will talk through what makes sense for your house.
Signs You Need a Pro Right Now
- Condensation between the panes. A sealed glass unit that fogs between the two panes has lost its insulating gas and the seal has failed. It will keep leaking heat out and moisture in, and no surface cleaning will fix it.
- Visible daylight around the sash. If you can see light through the gap between the sash and the frame, the weatherstripping is shot or the sash is out of square. That gap is a direct air leak that raises your cooling bill all summer in Orange County.
- The window sticks or will not stay open. A sash that binds when you try to open it, or a double hung that slams shut, has a mechanical problem in the balance or the track. Forcing it open usually breaks the hardware and makes the repair bigger.
- Soft wood or peeling paint on the interior sill. Water has been getting past the exterior seal and soaking the frame. In older Orange County homes with wood frames, that moisture is actively rotting the structure behind the trim.
- The window is original to a pre-1980 house. Single-pane, aluminum-frame windows from the 1960s and 70s are still everywhere in Tustin and Anaheim. They transfer heat straight through the metal, and replacing them with insulated low-e glass cuts the heat load in the room measurably.
Our Process, Step by Step
- 1
Call and get a written price. You call (424) 414-2048 and talk to a live person, not a voicemail box. We schedule a measurement visit, Owen walks the job, and you get a written quote with line items for every window, the labor, and the finish work. That price does not change at the door.
- 2
We measure the rough openings precisely. Every opening gets measured at three points for width and height, and we check the rough opening for square and level. If the opening is out of square, we write that into the quote so you know what the fix involves before work starts.
- 3
You choose the product. We bring samples and look at the house orientation together. A south-facing wall in Irvine gets a different glass recommendation than a shaded north wall in Costa Mesa. You pick the window, the finish, and the hardware, and the quote is updated to match.
- 4
Installation happens in the committed window. The crew shows up at the time we gave you, in uniform, background-checked. Old windows come out, the openings get prepped, new units go in level and square, and the flashing and sealing go on per the manufacturer’s spec.
- 5
Walkthrough and written guarantee. Before the crew leaves, you walk the job with the foreman and test every window. Then you get the written guarantee card covering the workmanship, with the 365-Day Done Right Promise printed on it. If anything fails inside the guarantee period, we come back at no charge.
How Much Does Window Installation Cost in Orange County?
A typical single window installation in Orange County runs $400 – $1,400 installed, with most mid-size vinyl double hung units landing between $500 and $900. Casement windows run $600 – $1,400 because the crank hardware and tighter sealing add cost. Picture windows range $500 – $1,500 depending mostly on glass size and whether the unit needs tempered glass. A full bay window installation runs $2,500 – $6,500 because it involves structural framing, the seat, the exterior skirt, and often interior finish work. Labor alone typically accounts for $150 – $400 per unit, and full-frame replacements run about 20 – 30% more than pocket replacements because the old frame comes out and the opening gets re-flashed.
What moves the price: the glass package (low-e, impact-rated, and tempered glass all add cost), the frame material, the condition of the rough opening, second-story access, and whether interior trim needs to be replaced. The way to avoid overpaying is to get a written line-item quote that separates product from labor, and to ask whether the quote includes the flashing, the trim, and the disposal of the old windows. Yes, our free estimate includes all of those. No, you will not see a revised invoice at the door. Call (424) 414-2048 and Owen will put the numbers in writing.
Our Service Area Near Orange County
Westlight Windows Orange County installs windows throughout Orange County, including Window Installation in Anaheim, Window Installation in Irvine, Tustin, Costa Mesa, Newport Beach, Fountain Valley, Laguna Hills, Laguna Beach, Villa Park, Placentia, and San Juan Capistrano. If you are planning a home improvement project that includes window replacement or door installation, we can bid the whole package so the work happens in one coordinated schedule. Typical response from call to written estimate in Orange County is one to three business days.
Serving Orange County, CA - Our Local Coverage Area
We’re based in the Orange County area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Window Installation in Orange County
Window installation is the process of removing an old window, preparing the rough opening, setting a new window unit level and square, sealing and flashing it against water and air, and finishing the interior and exterior trim. It includes either a pocket replacement, where the new unit fits inside the existing frame, or a full-frame replacement, where the old frame comes out entirely. Westlight Windows Orange County does both, and your written quote specifies which method the job calls for.
Most single-window installations take one to two hours per unit once the crew is on site, and a typical whole-house job of ten to fifteen windows is usually completed in two to three working days. Bay window installations take longer because of the structural framing and interior finish work, often two to three days for one unit. You will get a committed schedule window in writing before work starts.
Window installation in Orange County runs $400 – $1,400 per unit for most standard windows, $500 – $1,500 for picture windows, and $2,500 – $6,500 for a full bay window installation. Labor accounts for $150 – $400 per unit, and full-frame replacements run about 20 – 30% more than pocket replacements. Call (424) 414-2048 for an exact written quote – estimates are free and the price does not change once you approve it.
Yes, we install PGT and CGI impact-rated windows and doors, along with CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. Impact-rated windows require specific anchoring details to maintain their rating, and our crews are trained on PGT and CGI installation specs. If you have a brand we carry, we install it; if you are not sure what brand fits your home, Owen will help you choose.
We answer the phone 24 hours a day, 7 days a week, so if a window breaks and you need it secured, a live person will take your call at (424) 414-2048 and help you schedule service. Emergency board-up and temporary securing are available for urgent situations, and you will still receive a written price before any work begins. The fastest way to reach us after hours is the main line, not email.
Every installation includes the Kingswell Guarantee in writing: a written price before work starts, a committed arrival window, a clean job site, and a written workmanship guarantee. The 365-Day Done Right Promise says that if the work is not right within the guarantee period, we come back and fix it at no charge. Manufacturer warranties on the glass and frame run separately and are registered in your name at completion.
Clear the area around each window on both sides, including moving furniture, wall hangings, and anything on the sill. The crew will need clear access to the window from inside and outside, so trim back any shrubs that block the exterior wall. We protect the floors and the work path with drop cloths, but moving valuables out of the room is the easiest way to keep the job smooth.
Schedule Your Window Installation Service in Orange County Today
You will get a written price before any work starts, a real arrival window, a clean job site, and a written guarantee on the finished work. That is the Kingswell Guarantee, on every single job. Call (424) 414-2048 to talk to Owen or a member of the Westlight team and schedule your free, no-obligation estimate today.
Written by Owen Satterfield, Owner at Westlight Windows Orange County, serving Orange County since 2009.
Six Reasons Homeowners Choose Westlight Windows Orange County
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.