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 Clovis
Window replacement in Clovis usually runs $450-$1,150 per opening for insert vinyl, and $750-$1,900 per opening for full-frame replacement on stucco tract homes built between 1990 and 2015. Most jobs take one to two days once the units arrive, and you’ll have a written price before any work starts. If you’re reading fogged dual-pane glass on a north Clovis block where every third house has the same problem, call us at (509) 265-6387. We survey, we write the scope, and the document you keep is the document you pay from.
Our crews work Clovis neighborhoods from Old Town to Harlan Ranch every week. We know the failure patterns in the subdivisions north of Shaw and Herndon, and we know what Title 24 compliance means for a 2006 stucco tract home versus a 1925 wood-frame house near Pollasky. Local knowledge here isn’t a talking point. It’s the difference between quoting the right repair and quoting the wrong replacement.
Why Sightline Windows & Doors Is Clovis’s Preferred Window Replacement Company
Clovis homeowners tend to research before they call. They read the three-star reviews, they want prices on the page, and they prefer a text to a phone call. That’s exactly how we operate. Every estimate is written. Every tech who arrives is background-checked, uniformed, and identified by license number before they step onto your porch. Haven Clause 3 means the person at your door is the person on the record.
We’ve replaced windows in Harlan Ranch, in the neighborhoods off Fowler and Temperance, and in older homes near Clovis Avenue where the original sash work predates World War II. The housing stock changes block by block, but the standard doesn’t. Since 2012 we’ve installed over 18,000 openings, each one with a written price before work started and a documented photo record when it finished. The 365-Day Done Right Promise applies to every opening we touch in Clovis: if it’s not done right, we make it right. Not as a courtesy. As a written clause.
Sonia Raman, who leads Sightline Windows & Doors, built the company around a simple rule: the measurement and the quote are the same document. That means when we survey a Clovis home, you keep the measured survey, and the final invoice cannot differ from it. No change orders. No “we found something else once we opened the wall.” The price is written before a tool is lifted.
Our Window Replacement Services in Clovis

Insert Window Replacement
For most 1990-2015 Clovis tract homes, insert replacement is the right default. The original builder-grade aluminum or early vinyl frames are still square, but the insulated glass units have failed. We set a new vinyl or aluminum insert into the existing frame, which preserves your stucco, your interior casing, and your HOA’s exterior appearance requirements. A typical insert on a north Clovis home runs $450-$850 per window installed.
This is the work we do most in neighborhoods like Harlan Ranch, where original dual-pane units from the mid-2000s are now failing in identical patterns. We pulled four fogged sashes from a single Harlan Ranch street last summer. Same builder, same supplier, same argon gas fill failure. That’s not coincidence. It’s what happens when production builders cut costs on the same window package across two hundred lots.

Full Frame Replacement
Full-frame replacement means removing the entire window down to the rough opening, check the framing, install a new unit, and re-flash and re-trim the exterior. In Clovis, we recommend this when the original frame is oxidized, warped, or leaking at the stucco seam. Aluminum frames from the late 1980s and early 1990s, common in subdivisions near Willow and Nees, fail this way after 30 San Joaquin Valley summers.
Expect $750-$1,900 per opening for full-frame work in Clovis, depending on size, access, and whether stucco repair is needed around the jamb. We include that exterior work in the written scope. You will not get a call after the opening is cut telling you the flashing costs extra.

Vinyl Replacement Windows
Vinyl is the most common replacement material we install in Clovis because it handles the valley’s thermal swings better than aluminum and costs less than fiberglass or wood. Modern vinyl with welded corners and multi-chambered extrusions resists the frame warping that plagues older tract-home units. A dual-pane, Low-E vinyl insert for a standard 36-by-60 Clovis bedroom window typically runs $520-$780 installed.
The key spec to check is the U-factor and SHGC. U-factor measures heat loss through the glass. SHGC, or solar heat gain coefficient, measures how much solar radiation gets through. For a Clovis home facing west in July, you want a low SHGC to reduce cooling load. We specify glass packages from CWS and ECO Window Systems by what the opening faces, not by what’s on a warehouse shelf.

Energy-Efficient Upgrade
Most Clovis homeowners replace windows for one of two reasons: the seals have failed and the glass fogs, or the summer cooling bill is out of hand. Often it’s both. An energy-efficient upgrade on a typical 2,400-square-foot Clovis tract home means replacing 12 to 18 openings with Low-E insulated glass, and the material cost difference over standard dual-pane is modest, usually $60-$140 per window more. The real savings come from what you stop losing through failed seals and single-pane aluminum.
We see the highest cooling loads in west- and south-facing elevations in Clovis subdivisions with little mature tree cover. Those homes are candidates for glass with a lower SHGC than the builder spec. We’ll tell you exactly which windows justify the upgrade and which can stay as-is. Not every opening needs to be replaced. The written survey tells you which ones do.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Clovis
We install across eight manufacturer lines, and for Clovis work we commonly specify PGT, CGI, and ES Windows by performance tier and price range. PGT’s impact-rated line matters for homes near open exposure where valley wind and flying debris from summer storms are a real concern. CGI aluminum is a common upgrade for homeowners who want to keep a narrow sightline without going back to builder-grade extrusion. ES Windows carries mid-range vinyl and aluminum packages that hit the Clovis sweet spot on value. We stock common sill and sash components locally in the Central Valley, which means less waiting when a unit arrives with the wrong hardware.
Common Window Replacement Problems We See in Clovis Homes

- Fogged insulated glass units from seal failure. Sustained 110°F exterior heat against air-conditioned interiors stresses the perimeter seal on dual-pane units until argon gas escapes and ambient air enters. The result is condensation between panes that no cleaning will remove. In Clovis tract subdivisions built 1990-2015, this is the single most common reason we’re called out.
- Warped sashes and oxidized aluminum frames. Homes built before current Title 24 glazing standards used aluminum frames that transmit heat and eventually oxidize, making sashes stick and jambs misalign. We see this most on early-1990s Clovis subdivisions where original windows were never replaced.
- Tule fog condensation and frame rot. Winter tule fog is dense and multi-day. It exploits any compromised seal or threshold. A Clovis home that looks fine from the outside may be collecting moisture inside the wall cavity at the sill, rotting the framing under the window.
- HOA compliance issues. North Clovis master-planned communities enforce exterior appearance standards. Replacing a window with the wrong color, trim profile, or glass type can trigger a violation notice. We document the existing sightline and match replacements to the original spec so the change is invisible to the HOA and to your neighbors.
Pricing for Window Replacement in Clovis, CA
Here’s what we quote in Clovis, in writing, before any work starts:
- Insert vinyl window, standard size: $450-$850 per opening
- Full-frame vinyl replacement: $750-$1,450 per opening
- Full-frame aluminum or fiberglass: $950-$1,900 per opening
- Energy-efficient Low-E glass upgrade: add $60-$140 per window
- Full-home replacement on a 2,200-2,800 sq ft tract home: $9,000-$22,000 total
These ranges assume standard sizes and accessible openings. A second-story window over a tile roof, an oversized picture window, or a custom geometric unit changes the number. What doesn’t change is the process: measured survey first, written scope second, price fixed from that document. Call (509) 265-6387 and we’ll schedule the survey. If you have a competitor’s written estimate, bring it. We’ll review it at no charge.
We Also Serve Cities Near Clovis

Sightline Windows & Doors is Window Replacement in Clovis first, but our crews regularly work the surrounding Central Valley. We handle Window Replacement projects in Fresno, Madera, Reedley, and Hanford as well. Same written price, same photo record, same crews. If you’re nearby and researching, call (509) 265-6387.
Serving Clovis, CA - Our Local Coverage Area
We’re based in the Clovis 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 - Window Replacement in Clovis

Yes, in most north Clovis communities with an active HOA you’ll need architectural review approval before replacing windows. The review typically covers exterior color, trim profile, and glass type. We’ll prepare a spec sheet with the proposed sightline, finish, and dimensions so your application has what the committee needs. Call (509) 265-6387 and we’ll walk you through it.
No. Window replacement does not void a structural builder warranty on a Clovis home. The builder’s warranty covers defects in original workmanship and materials, and replacing a window with a code-compliant unit does not trigger a void. What matters is that the new window meets current Title 24 glazing requirements for the Central Valley climate zone, which our installations do. If you’re still within a warranty period, we’ll document the before and after condition so you have a clear record.
Because north Clovis master-planned subdivisions built between 1990 and 2015 used a handful of production builders sourcing from the same window suppliers in the same 5 to 10-year windows. A street of 40 homes built by the same builder in 2007 will start showing identical seal failure and hardware corrosion around year 15. That’s why we’ll often replace windows on one Harlan Ranch home and find the same argon gas failure three doors down within a month. Neighborhood canvassing after one job is how we find most of our north Clovis work.
The first upgrade is almost always replacing the failed dual-pane inserts on the western exposure. West-facing windows in a 1990s Clovis tract home take the full afternoon heat load and are the first to lose their argon fill. Replacing those with Low-E vinyl inserts lowers your cooling load immediately and costs $450-$850 per window. The north and shaded sides can usually wait.
Sometimes. If the aluminum frames are still square and the oxidation is cosmetic, we can set new insulated glass units into the existing sash. This runs $250-$450 per window for glass replacement alone. But once the frame itself is warped or the jamb has pulled away from the stucco, glass replacement is a short-term fix on a frame that will keep failing. We’ll tell you which is which. Call (509) 265-6387 for a measured survey and a written answer.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Clovis since 2012.










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