Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Davis
Window replacement in Davis typically runs $850-$1,600 per window installed for standard double-pane vinyl units, and most full-home projects land between $12,000 and $28,000 depending on count and frame condition. That’s the honest range, and we put it in writing before any work starts. Westlight Windows & Doors has been installing windows since 2009, and we know Davis homes well enough to spot what’s behind the drywall before we quote. Call (903) 354-7134 for a free estimate, and we’ll show up in the window we give you.

Davis isn’t like other California cities. The night-flush cooling culture here changes what a window actually needs to do. We build our recommendations around that reality, not around whatever’s easiest to order.
Why Westlight Windows & Doors Is Davis’s Preferred Window Replacement Company
Davis homeowners have been burned before. A contractor quotes one number, shows up late, then revises the invoice halfway through. We hear it weekly. So we run every Davis job on the Kingswell Guarantee: written price before any work starts, a committed arrival window, a clean job site, and a written guarantee on the completed work. Those four promises apply to every project, including yours.
Owen Satterfield leads our team, and he’s particular about two things: answering the phone and keeping the site clean. We staff live phone coverage 24 hours a day, 7 days a week. Not a voicemail box. If you call at 9 p.m. with a question about your quote, a real person picks up. That matters when you’re comparing contractors and want a straight answer.
We also carry eight manufacturer lines, including PGT, CGI, and ViewLux. That means we’re not married to one brand. We match the product to your house, your exposure, and how you actually use your windows at night when the Delta Breeze rolls in.
Window Seal Repair in Davis
Window seal repair in Davis is a recurring need thanks to our 35-40 degree diurnal temperature swings, which thermally cycle insulated glass units until the perimeter seal fails and fog collects between the panes. When that happens, the window loses most of its insulation value, and the glass looks permanently cloudy. In many Davis homes, especially 1970s and 1980s tract builds near UC Davis, the original seals have been failing for years. Repair runs $180-$340 per window when the sash can be removed and the unit replaced, but if the frame itself is warped or the seal has failed twice, replacement is the better call.
Sealed Unit Replacement
We remove the failed insulated glass unit, confirm the frame is square, and set a new unit with fresh sealant. The fix typically takes under an hour per window. We match the original glass thickness and Low-E coating so the repaired window doesn’t stand out from its neighbors.
When Repair Doesn’t Make Sense
If the spacer bar shows corrosion, the frame is bowing, or the window is a 1960s aluminum single-pane with no thermal break, replacing the whole unit usually costs less over ten years than chasing seals. We’ll tell you which path makes sense, even when the cheaper immediate option is repair.
Energy Efficient Windows in Davis
Energy efficient windows in Davis aren’t a luxury upgrade. They’re the difference between a 100°F house that won’t cool down at night and one that flushes itself by 9 p.m. Low-e glass, which is a thin coating that reflects heat back toward its source, costs about $40-$70 more per window than plain glass and pays for itself through lower AC bills in two to three summers here. Most single-window replacements run $850-$1,600 installed, and the premium for true energy performance on the east and west sides of the house is modest.
Low-E Coatings Matched to Exposure
Davis east and west exposures get hammered by afternoon sun. Those windows want aggressive solar rejection. The SHGC, which stands for Solar Heat Gain Coefficient, should sit low, around 0.25 or below. South-facing glass on an older Village Homes passive-solar house is a different story. Those windows were sized specifically to capture winter sun, and over-rejecting that heat makes the house colder than intended.

Frames That Stop Thermal Bridging
Older aluminum frames conduct heat straight through the wall. On downtown Davis streets, especially near the UC Davis core, we see interior sill paint blistering every July from that thermal transfer. Moving to a vinyl or composite frame with a thermal break solves it immediately. The paint stops peeling because the frame stops cooking.
Trusted Brands We Service in Davis
We install PGT and CGI impact-rated windows for homeowners who want storm and debris protection without sacrificing the Delta Breeze operability. ViewLux is our go-to for clean, modern line weights on newer builds and remodels. We keep local parts inventory and have direct lines to our manufacturers, so warranty parts and replacement sashes don’t sit in a warehouse for three weeks while your window stays fogged. No brand-bias here. Just the right product for the exposure.
Common Window Replacement Problems We See in Davis Homes
- Failed night-flush operability: Contractors spec fixed or tilt-only windows that cannot catch the Delta Breeze, leaving the house dependent on AC during 100-105°F days. Davis homeowners tend to reject those bids once they realize the windows won’t open wide enough to flush heat.
- One-size-fits-all Low-E glass: East and west exposures need aggressive solar rejection, but the same glass on south-facing Village Homes windows undermines passive solar gain. We match the SHGC to the orientation, not the brochure.
- Hidden framing and waterproofing costs: Opening 1960s-1980s walls often reveals undersized headers, rotted jamb wood, and no flashing. If your quote doesn’t have a written allowance for those discoveries, expect a price jump mid-project.
- Thermal cycling seal failure: Davis drops 35-40 degrees most summer nights. That stress kills cheap seals fast. We see fogged glass in houses less than eight years old when the original install used contractor-grade units.
Pricing for Window Replacement in Davis, CA
Our Window Replacement team gives you a written, line-item price before any work begins. Standard double-pane vinyl replacement windows in Davis run $850-$1,600 each installed. Full-frame replacements, which become necessary when the original frame has rotted or the opening needs re-flashing, add $200-$400 per window. Casement and awning units that capture the Delta Breeze cost 10-20% more than comparable sliders. Impact-rated PGT or CGI windows start around $1,300 per opening installed. What you won’t get is a door-step revised invoice. The price we hand you before the job is the price you pay, because that’s the Kingswell Guarantee.
We Also Serve Cities Near Davis
Our crews work throughout Davis and the surrounding area, including Dixon, Woodland, West Sacramento, and Winters. If you’re just outside city limits, we handle the drive without drama. Call for a free estimate.
Serving Davis, CA - Our Local Coverage Area
We’re based in the Davis 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 Replacement in Davis
Because many quotes don’t include what opening the walls reveals. In 1960s-1980s Davis homes, we regularly find undersized headers, missing flashing, and dry-rotted jamb wood once the old window comes out. Westlight writes a framing and waterproofing allowance into every contract before work starts, so any discovered issue is priced and approved in writing with you before we touch it. Call (903) 354-7134 to get a quote that accounts for reality.
Casement and awning windows that open wide to channel the evening breeze work best in Davis. The city actively promotes night-flush cooling, and UC Davis energy research backs it. Fixed or tilt-only windows can’t do the job, and homeowners who buy them end up running AC until midnight.
Yes. Village Homes, built between 1975 and 1982, has south-facing windows sized specifically for passive solar gain. Replacement units need an SHGC matched to the originals, or the house loses its winter heat and the design intent falls apart. We’ve replaced failed 1970s sliders off Russell Boulevard where we matched the SHGC precisely and wrote the framing allowance in advance.
Uninsulated aluminum or steel frames conduct heat from the outside surface straight to the interior sill, which blisters paint in July when the frame hits 140°F or more. The fix is a thermal-break frame. It stops the heat transfer at the frame, not at the paint.
The 35-40 degree swing between 100°F afternoons and 60°F nights expands and contracts the insulated glass unit daily, which stresses the perimeter seal and eventually causes fog between the panes. Cheaper seals fail faster. We install units rated for that thermal cycling, and if the seal fails within our guarantee period, we return and replace it at no charge.
Call for Your Free Davis Window Replacement Estimate
We’re scheduling window replacement estimates for Davis homes right now. You’ll get a written price, a real arrival window, and honest answers from a team that’s been doing this since 2009. Call (903) 354-7134 to talk to a live person and set up your free estimate. If you prefer, we can walk you through pricing ranges over the phone before we ever step foot in your house.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Davis since 2009.










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