Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across Poway
Impact windows and doors in Poway run $850-$2,800 per opening installed, with most single-story ranch homes falling between $12,000 and $28,000 for a full replacement package. The bigger variable here isn’t brand, it’s code. Large portions of Poway sit inside CAL FIRE’s Very High Fire Hazard Severity Zone, which means a window swap that would be simple in a coastal San Diego neighborhood can trigger WUI compliance requirements for fire-rated glazing and intumescent seals. Our crews work in Poway every week, and we know which hillside tracts pull that review and which ones don’t. Call (888) 635-0804 for a free estimate, and we’ll tell you upfront what your specific street requires.
Why TruePane Windows & Doors Is Poway’s Preferred Impact Windows & Doors Company
TruePane Windows & Doors was founded in 2008 by second-generation glazier Dale Kessler, who came up through the trade the old way: apprenticing, measuring twice, and standing behind every install. The rule on his whiteboard has never changed: if the pane is not true, the job is not done. Poway homeowners call us because that rule matters more here than it does in most of San Diego County. Between the Santa Ana winds, the summer heat that pushes 15 to 25 degrees hotter than the coast, and the VHFHZ map overlays on the northern hillsides, a window that’s out of square or under-anchored fails visibly and fast.
We’re not a franchise. We’re a local company that hires local, trains apprentices into journeymen, and sponsors county fairs and church roof funds because we plan to be answering the phone in thirty years. A live person picks up 24 hours a day, 7 days a week. Not a voicemail tree, not a callback form. When a Poway homeowner calls at 7pm on a Sunday because a Santa Ana gust just cracked a sliding door panel, a person answers.
Every Poway job runs under The Keystone Standard: both manufacturer warranty layers registered in writing, durations stated, before the truck leaves your driveway. And the Done Right Promise backs the workmanship with no paperwork fights. You get a line-item quote on paper, side-by-side manufacturer comparisons, and background-checked, uniformed technicians who measure every opening twice.
Our Impact Windows & Doors Services in Poway
Most Poway homes were built between the late 1970s and the late 1990s. That means single-story ranches and split-levels with wide aluminum-frame sliders and original single-pane windows now pushing 30 to 50 years old. Those openings were never designed for impact-rated glass, which runs thicker and heavier. Here’s how we handle the four most common projects.
Hurricane Impact Windows
Impact windows in Poway’s VHFHZ aren’t optional for most lots east of Espola Road and throughout the northern hillside tracts. CAL FIRE WUI standards require multi-pane tempered or fire-rated glazing in many of these zones. A full-home impact window package on a typical 1980s ranch in Poway runs $14,000-$26,000 depending on opening count and whether we’re reframing for fire-rated units. We quote manufacturer lines from CGI, CWS, and ES Windows side by side on paper so you see exactly what you’re buying.

Impact Sliding Glass Doors
Those wide aluminum sliders original to 1970s and 1980s Poway homes are the single most common failure point we see. The insulated glass seals fail, argon escapes, and you get fog between the panes that never clears. That fog means the unit’s U-factor is dead. Replacing a standard 6-foot impact sliding door in Poway runs $3,200-$5,800 installed, and if the opening sits in the VHFHZ we recommend fire-rated assemblies with proper seals. We also verify the surrounding framing before quoting. Many original sliders sit on undersized headers that fail under Santa Ana lateral pressure.

Impact Entry & French Doors
Poway’s custom estates and horse-property homes off Highland Valley Road and around the open-space preserves often have oversized, non-standard door openings. Standard impact doors won’t fit those openings without modification. We order custom units where needed, and we pull permits when the opening size or the VHFHZ overlay requires it. A standard 3-foot impact entry door in Poway runs $2,800-$4,500 installed; a custom oversized French door set can run well above $6,000 depending on glass and frame specification. We quote fixed pricing with written change orders, and nothing gets touched without your written approval.

Impact Garage Doors
Garage doors on Poway’s single-story ranches are typically 16-foot wide openings that face the street or the side yard, and they catch the full force of a Santa Ana event. An impact-rated garage door with a reinforced track system runs $4,500-$8,500 installed in Poway. We also check the header and side jambs. Older ranch homes often have unreinforced openings that need structural work before an impact door can be correctly anchored.

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.
Trusted Brands We Service in Poway
TruePane is an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, CWS, and ES Windows. For Poway customers specifically, we stock common replacement parts for the aluminum and vinyl lines original to 1980s and 1990s homes across the area. That means faster turnaround on repairs and replacements without waiting on a regional warehouse. We quote manufacturer lines side by side on paper because you should see exactly what each brand costs and what warranty it carries before you sign anything. We stand behind every install with The Keystone Standard and the Done Right Promise.
Common Impact Windows & Doors Problems We See in Poway Homes
- Fogged dual-pane seals in original aluminum sliders. Poway’s inland heat cycling, which pushes summer highs into the 95-105°F range, degrades the sealant on original insulated glass units far faster than at the coast. Once argon escapes, the U-factor is dead and the only real fix is glass replacement or a full door swap.
- Failed weatherstripping and binding frames from thermal expansion. Aluminum and aging vinyl frames expand and contract aggressively with Poway’s wide temperature swings. Doors that bind in July and windows that whistle in January are telltale signs of frames that have moved past their tolerance.
- Undersized or rotted wood framing around non-standard openings. On the custom estates and horse-property homes around the city’s open-space edges, original window and door openings were often framed for single-pane units with little structural reserve. Impact-rated glass is heavier, and a Santa Ana wind event will test the reveal. We inspect framing before quoting.
- VHFHZ code triggers discovered only after the permit is pulled. This one surprises homeowners. You expect a simple window swap, and the city’s building department flags the CAL FIRE WUI overlay. Now the job requires fire-rated glazing and intumescent seals, and the quote moved. On a 1980s split-level off Espola Road near the Blue Sky Ecological Reserve, our crew pulled a permit for what the homeowner thought was a straightforward impact window swap. The building department flagged the VHFHZ overlay, and we ended up reframing two oversized openings to accept fire-rated, multi-pane tempered units with correct intumescent seals, all documented in a change order with written approval before we touched the drywall.
Pricing for Impact Windows & Doors in Poway, CA
| Project | Typical Installed Range (Poway) |
|---|---|
| Impact window (standard size, single unit) | $850 - $2,800 |
| Full-home impact window package (ranch/split-level) | $12,000 - $28,000 |
| Impact sliding glass door (standard 6-8 ft) | $3,200 - $5,800 |
| Impact entry door (standard 3 ft) | $2,800 - $4,500 |
| Impact garage door (16 ft, reinforced track) | $4,500 - $8,500 |
| Custom oversized French door set | $6,000+ |
These ranges reflect what we’ve actually quoted and completed in Poway, not national averages. The two factors that move the number most are the VHFHZ overlay and the condition of your existing framing. If your home sits in the Very High Fire Hazard Severity Zone, fire-rated glazing and intumescent seals add cost but they’re code, not an upsell. If your openings are original and undersized, reframing is mandatory before impact glass can be correctly set. We inspect first, write allowances into the contract, and any surprise gets priced and approved in writing before we touch it. Call (888) 635-0804 for a free written line-item estimate. The ask is the estimate, never the job.
We Also Serve Cities Near Poway
Our crews serve the whole inland north county corridor. In addition to Poway, we work regularly in Impact Windows & Doors projects across Santee, Escondido, Lakeside, and Ramona. If your home sits in a VHFHZ in any of these communities, the same WUI compliance rules apply, and we handle the code paperwork from permit to final inspection.
Serving Poway, CA - Our Local Coverage Area
We’re based in the Poway 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 - Impact Windows & Doors in Poway
No. Impact-rated glazing is not the same thing as WUI fire-rated glazing. In Poway’s Very High Fire Hazard Severity Zone, the city’s building department usually requires multi-pane tempered or fire-rated glass that meets SFM and San Diego County fire-hardening standards, not just a Miami-Dade impact rating. Impact windows without the fire-rated spec will not pass the review. We identify this during our initial inspection so you’re not surprised after the permit is pulled. Call (888) 635-0804 and we’ll check your specific street against the current map.
Often, yes, especially in VHFHZ lots. Once the permit is pulled and the opening is exposed, the building department can require upgrades to the header, jambs, or the fire-rated assembly around the door. If your original slider sits on a bare or undersized header, we include that in the quote from the start. We do not open a wall and then tell you the price moved. The quote includes allowances for what we typically find in a 1980s Poway home, and any change order gets written approval before we proceed. Call (888) 635-0804 for an exact quote.
The inland valley heat is the culprit. Poway’s summer highs routinely reach 95-105°F, and the aluminum frames on original 1980s and 1990s windows expand and contract with those swings. That thermal stress breaks the sealant on insulated glass units, argon escapes, and condensation gets trapped between the panes. Once you see fog, the glazing’s insulating value is effectively gone and the repair is replacement. Call (888) 635-0804 and we’ll tell you if your fogged units are worth replacing individually or if a full window package makes more sense.
Yes, and it surprises homeowners regularly. The VHFHZ overlay covers most of Poway’s northern hillside tracts near the open-space preserves, and the city’s building department is required to apply WUI compliance checks on replacement projects in those zones. What started as a simple swap becomes a code-driven project with fire-rated glazing and intumescent seal requirements. On one job off Espola Road near the Blue Sky Ecological Reserve, a homeowner expected a window swap and we ended up reframing two oversized openings for fire-rated units, all documented in a change order with written approval before we touched drywall. Our inspection happens before the permit is filed, so you know what’s coming. Call (888) 635-0804 to schedule that inspection.
It depends on the opening size and the framing condition, not just the window spec. Many Poway custom estate and horse-property homes have non-standard openings that were never designed for the weight of impact-rated glass. If the existing framing is square, dry, and adequate, we can often order custom impact units to fit without reframing. If it’s undersized or showing rot, reframing is the only safe path. We inspect first and quote exactly what the opening requires, in writing. Call (888) 635-0804 and we’ll tell you what your openings can actually take.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Poway with honest pricing and done-right installs since 2008.



Before
After
Before
After
Before
After