New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Houston 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
Trusted Door Installation for Houston Homeowners
A door that sticks, warps, or lets daylight through the frame isn’t just a nuisance, it’s costing you money on every utility bill and making your home easier to break into. Since 2009, Westlight Windows Houston has installed and replaced entry doors, French doors, storm doors, and sliding glass doors across Houston, and we put every price in writing before a single screw turns. Led by Owen Satterfield, our independently owned and operated Kingswell location serves the home market with background-checked technicians who show up in the window we gave. Call (325) 326-4211 any hour, any day, and you’ll reach a live person who can schedule your free estimate.
Front Door Replacement
Front Door Replacement means removing your existing entry door and frame and installing a new, properly sealed unit, typically because the old one has warped in Houston’s humidity, lost its weatherstripping, or no longer closes securely. Most our Door Installation in Houston projects for front doors run $1,200 to $4,800 installed depending on material, glass, and hardware. We carry Therma-Tru entry doors and ECO Window Systems units, so we can match your home’s style instead of forcing one brand on every job.
Why Houston Humidity Ruins Entry Doors
Houston’s summer moisture gets into wood door frames and swells them until the deadbolt won’t line up. We’ve handled Door Installation in Humble and in Meyerland and Kingwood where the frame had rotted six inches up from the threshold. A properly flashed and sealed frame prevents that cycle from starting.
What a New Front Door Includes
Every front door replacement includes the slab, frame, threshold, weatherstripping, hardware prep, and a written guarantee handed to you at completion. We also verify the rough opening is square before ordering, which prevents the gap-and-shim problems that make budget installs fail. Prices are fixed before work begins.
Door Replacement
Door Replacement is the broader category of swapping an existing interior or exterior door for a new one when repair isn’t cost-effective: cracked slabs, failed seals, broken frames, or simple age. A standard interior door replacement in Houston typically runs $250 to $800 per opening, while exterior door replacement starts around $900 and goes up based on glass, sidelights, and security hardware. We assess the frame condition first, because installing a good slab in a bad frame just guarantees a callback.
Interior vs. Exterior Door Replacement
Interior doors are about fit, swing, and privacy. Exterior doors are about security, insulation, and weather seal. We treat them as different jobs with different tolerances, and the pricing reflects that honestly.
When Replacement Beats Repair
If the slab is cracked, the core is water-damaged, or the frame has separated from the studs, repair is throwing money at a door that’s already done. We’ll tell you when repair makes sense and when replacement is the only honest answer. That’s the Kingswell Way: say the price before the work.
Sliding Glass Door Replacement
Sliding Glass Door Replacement is removing an older, often single-pane or aluminum-framed slider and installing a modern, energy-efficient unit with a better track, smoother rollers, and tighter seal. In Houston, sliding glass door replacement typically costs $1,800 to $5,500 installed depending on size, glass package, and framing material. We install CWS and ES Windows sliders that handle Houston’s heat load far better than 20-year-old single-pane units.
When the Track Is the Real Problem
Sometimes a slider won’t slide because the track is bent or debris-clogged, not because the door is shot. We evaluate the track condition before recommending replacement, because a $150 track repair shouldn’t become a $3,000 replacement if the panel itself is fine.
Energy Loss You Can Feel
Older sliders leak conditioned air around the frame and through the glass, which is exactly why the room closest to the slider is always the hottest one in July. Replacing them with low-e glass (a thin coating that reflects heat back into the room in winter and out in summer) cuts that loss substantially. The difference is measurable within the first full summer.
Storm Door Installation
Storm Door Installation adds a secondary door outside your main entry door to protect it from weather, add ventilation in spring and fall, and provide an extra layer of security. Door Installation - Pasadena and across Houston for storm doors typically runs $450 to $1,400 installed depending on glass, screen, and hardware options. We install storm doors from brands we trust, including Mr-Glass units with interchangeable glass and screen panels built for Gulf Coast humidity.
Ventilation Without Bugs
A quality storm door lets you leave the main door open for a breeze while keeping mosquitoes out, which Houston homeowners appreciate about eight months of the year. The retractable screen option is worth the upgrade if you use the door daily.
Protecting Your Main Door Investment
Your front door takes direct afternoon sun and driving rain in storms. A well-installed storm door shields that surface and extends the finish life of the door behind it. We install storm doors with proper clearance so they close fully without slamming in the wind.
Sliding Glass Door Installation
Sliding Glass Door Installation is the same service as replacement, but covering first-time installations such as enclosing a patio opening or converting a wall into a rear-entry point. New sliding glass door installation in Houston runs $2,200 to $6,000 depending on opening size, structural header requirements, and glass package. We install CWS and ES Windows sliders, and the Kingswell Guarantee means your written price is fixed before we start cutting.
New Openings Need Engineering
Putting a slider where no door existed means adding a proper header to carry the wall load above. We handle the framing, the exterior flashing, and the interior trim so the finished opening looks original to the house, not retrofitted. Permits are pulled and inspections passed, always.
Glass Choice for Houston Sun
South and west-facing sliders in Houston take brutal afternoon sun. We recommend low-e, impact-rated glass on those exposures when the budget allows, because the comfort difference is immediate and the energy savings compound. PGT impact-rated units are also on hand for coastal-adjacent areas like Dickinson, San Leon, and Door Installation in Deer Park where wind codes matter.
Door Repair
Door Repair restores function to a door that won’t latch, won’t close, binds at the frame, or has a failing hinge or handle assembly. Repair makes sense when the slab and frame are structurally sound but the hardware or alignment has failed. Most door repairs in Houston run $150 to $450, which is a fraction of replacement cost when the door itself is salvageable.
Alignment and Hardware First
We check the hinge screws, the strike plate alignment, and the frame squareness before touching the slab. A door that won’t latch is often a hinge problem, and a $4 pack of longer screws into the stud fixes what a new door cannot. That’s the difference between a company that diagnoses and one that swaps parts until something works.
When Repair Is a Temporary Fix
If the frame has rot or termite damage, patching it just buys a few months. We’ll tell you honestly when repair will hold and when replacement is the only path that won’t leave you calling again in the spring. Either way, you get the written price before the work and a guarantee after it.
Exterior Door Installation
Exterior Door Installation covers any door that separates conditioned interior space from the outdoors: front entry, back entry, side doors, garage entry doors. Proper exterior door installation is about more than hanging a slab clear against the hinges and hoping the weatherstripping does the rest. Exterior door installation in Houston typically runs $900 to $5,000 depending on door type, frame condition, and whether we’re adding sidelights or transoms.
Sealing Against Houston Weather
Houston gets sideways rain, 95-degree heat, and humidity that would rust a nail indoors. We flash the rough opening, set the threshold in sealant, and air-seal the gap between frame and studs. A door installed without that attention will leak air from day one, and the energy bill will prove it.
Security Hardware Done Right
The strongest door doesn’t matter if the strike plate is screwed into soft framing with half-inch screws. We upgrade strike plates to reach the structural stud, so a deadbolt actually deadbolts. Our technicians are background-checked and uniformed, so you always know who’s at the door.
French Door Installation
French Door Installation is installing a pair of glass-panel doors that swing from the center, usually leading to a patio, deck, or interior room. French door installation in Houston costs $1,600 to $5,800 installed depending on size, glass, and whether you choose in-swing or out-swing. We install French doors from ECO Window Systems and Therma-Tru, both of which hold their seal better than the big-box brands in Houston’s climate.
In-Swing vs. Out-Swing in Houston
In-swing units are standard but eat interior floor space when the doors are open. Out-swing units maximize room inside but need proper flashing to keep wind-driven rain out. We’ll measure your space and traffic pattern before recommending which way the doors should open.
The Threshold That Actually Seals
French doors are only as good as the joint where the two slabs meet. We use interlocking astragals and adjustable thresholds so the pair seals as one unit, not two doors that happen to hang side by side. That single detail is why our French doors don’t leak air in January or let water in during a summer gully-washer.
Brands We Service
We install and service doors from eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. CWS and ES Windows are our go-to choices for sliding glass doors because their tracks and rollers hold up to years of Houston humidity, and their low-e glass packages make a measurable difference in summer heat gain.
For entry doors, we lean on Therma-Tru for their fiberglass slabs that don’t warp the way wood does in our climate, and ECO Window Systems for energy-efficient French and patio units. Whether you have a CWS slider, a Therma-Tru entry door, or any other make, we can assess it honestly and quote the right fix or replacement in writing. We don’t push a brand we don’t believe fits your house, and we carry enough manufacturers to make that promise real.
Signs You Need a Pro Right Now
- Visible daylight around the door frame. If you can see light at the edges when the door is closed, conditioned air is pouring out and Houston’s humid outdoor air is pushing in. Beyond the energy waste, that gap means the deadbolt isn’t fully seated in the strike plate, which is a security problem you can’t ignore.
- The door sticks in summer and swings loose in winter. Houston’s humidity swells doors and frames seasonally. A door that binds in August signals a frame that wasn’t flashed or sealed properly when it was installed, and the fix usually means pulling the frame and doing it right.
- You have to lift or shoulder the door to make it latch. That’s a hinge or frame problem, not a door problem. Continuing to force it just tears the hinge screws out of the jamb and makes the eventual repair more expensive. A pro can often fix the alignment in about an hour.
- The glass is fogging between the panes. Fogged glass means the seal has failed and the insulating gas between the panes is gone. That door is now a giant single-pane window in terms of energy performance, and the only true fix is replacing the glass unit or the door.
- The door edge or threshold is soft, splintered, or dark-stained. That’s rot, and in Houston it usually starts at the bottom where rain splashes up. A soft threshold means the door and frame are no longer seated securely. Once rot reaches the subfloor or studs, the repair cost grows fast, so this is a sign to call today, not next season.
Our Process, Step by Step
- 1
Free in-home assessment. We come to your Houston home, measure the existing door and rough opening, and inspect the frame, threshold, and surrounding structure for rot or water intrusion. You get a written line-item price before any commitment, and that price does not change at the door.
- 2
Product selection matched to your home. We walk through your manufacturer options from the eight lines we carry, showing you the difference in energy ratings, glass coatings, and security hardware. The door is ordered based on your exact measurements, not a guess from a photo.
- 3
Removal and frame prep. Our technicians remove the old door carefully to avoid damaging trim, siding, or drywall. If the rough opening shows rot or structural issues, we show you exactly what we found and fix it before setting the new frame, never after it’s covered up.
- 4
Precision installation and air sealing. We set the new door in the opening, shim it level and square, flash the exterior perimeter, seal the threshold, and upgrade the strike plate to reach the stud. Every door gets a final operation check: swing, latch, deadbolt, seal, and appearance.
- 5
Written guarantee and site cleanup. Before we leave, you receive a written guarantee on the completed work, and the job site is cleaned to the condition we found it, which is part of every Kingswell Guarantee. If the work fails within the guarantee period, we come back and make it right at no charge. That’s the 365-Day Done Right Promise.
How Much Does Door Installation Cost in Houston?
A typical door installation in Houston runs $900 to $5,500 depending on the door type, materials, glass package, and whether the existing frame can be reused or needs full replacement. Front entry doors land in the $1,200 to $4,800 range. Sliding glass doors run $1,800 to $5,500. Storm doors are the least expensive at $450 to $1,400. French doors sit between $1,600 and $5,800 depending on size and glass. What changes the price most is the frame condition, the glass package (low-e and impact ratings cost more but pay back in energy savings and storm protection), and whether structural framing is needed for a new opening. The way to avoid overpaying is to get a written line-item quote that separates material, labor, and any structural work, and to choose a contractor that doesn’t revise the number after the old door comes off. Our free estimate includes all measurements, the full discussion of your options, and a written price you can hold us to. Call (325) 326-4211 to schedule yours.
Our Service Area Near Houston
Westlight Windows Houston serves homeowners throughout the greater Houston area, including Door Installation in The Woodlands, Door Installation in Sugar Land, Humble, Pasadena, Friendswood, Dickinson, Santa Fe, Tomball, San Leon, Deer Park, and New Territory. Most assessments can be scheduled within a few business days, and our technicians arrive in the committed window with the tools and materials needed to diagnose the job on the first visit. If you’re in Harris County, Galveston County, or northern Brazoria County, we’re close enough to serve you properly. And if you’re already in the Door Installation in Houston area, we’re a short drive away.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston 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 Door Installation in Houston
Door installation is the process of removing an old door (or prepping a new opening), setting the frame or slab level and square, sealing it against air and water, and securing it with proper hardware. It’s more than putting a door on hinges. In Houston, proper installation includes flashing against wind-driven rain and sealing against humidity, which is why the tech matters more than the brand.
Most single door installations in Houston take four to eight hours from arrival to final cleanup. Door replacement with a new frame is usually a one-day job. New openings that require structural framing, like adding a sliding glass door where a wall exists, typically take two to three days including permit inspection. Call (325) 326-4211 for a timeline specific to your project.
Door installation typically costs $900 to $5,500 in Houston depending on door type, material, glass, and frame condition. Storm doors are the most affordable at $450 to $1,400. Front entry doors, French doors, and sliding glass doors all sit in the $1,200 to $6,000 range depending on options. The only way to know your exact price is a written estimate, and ours is free.
Yes, Therma-Tru is one of the eight manufacturer lines we stock and install, and it’s our go-to fiberglass entry door brand because it holds up to Houston’s humidity without warping the way wood slabs do. We also install CWS, ES Windows, ECO Window Systems, Mr-Glass, PGT, CGI, and ViewLux. If your existing door is a brand we don’t carry, we’ll still repair it honestly and tell you if replacement with a comparable product makes more sense.
Our phone lines are staffed by a live person 24 hours a day, 7 days a week, so you can always reach a human to schedule an assessment. For true emergencies, like a door that won’t secure after a break-in attempt or severe weather, we prioritize those calls and get a technician to evaluate as quickly as possible. Call (325) 326-4211 and you’ll talk to a person, not a voicemail box.
Every job includes 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. If the installation fails within the guarantee period, we return and correct it at no charge under the 365-Day Done Right Promise. We also offer a free second visit if a repair fails, with no negotiating required.
Clear the area around the door inside and out, about six feet of working space on both sides. Move any pets to another room, because the door will be open during the work. Remove wall hangings on the same wall as the door, since hammering and shimming can vibrate frames. Our technicians handle floor protection and final cleanup as part of every job.
Schedule Your Door Installation Service in Houston Today
A new door is one of the best money decisions you can make for a Houston home, and the only wrong move is waiting until a swollen frame or failed seal forces the issue. Call Owen Satterfield and the team at Westlight Windows Houston at (325) 326-4211 to schedule your free, no-obligation estimate. You’ll get a written price, a real arrival window, and a guarantee in writing before any work begins.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving Houston since 2009.
Six Reasons Homeowners Choose Westlight Windows Houston
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.