Trusted Louisville window installers, free in-home quotes, licensed & insured pros, workmanship warranty.
Window replacement in Louisville gets tested by a real four-season swing. Summers turn hot and sticky, with highs near 88 degrees and heavy river-valley humidity. Winters drop to around 26 degrees on cold nights. Old windows let that summer heat pour in and leak your furnace heat back out in January.
Louisville is full of older homes with real character. You have Victorian shotgun houses and grand mansions in Old Louisville, brick bungalows in the Highlands, and cottages in Germantown and NuLu. Many still run their original single-pane or early double-pane sash. That shows up as drafts, higher LG&E bills, and street noise you can hear inside.
Vetted local crews only. Every installer is vetted, background-checked, and works directly for us, never a day-labor crew.
Upfront written pricing. You get a clear line-item quote, and the number we quote is the number you pay.
Your installer handles any Louisville permits. If your job needs one, we file it with Louisville Metro Construction Review and manage code compliance, plus any Old Louisville historic review.
Lifetime workmanship warranty. If the install ever fails you, your installer comes back and makes it right, and your manufacturer coverage stands too.
Every style, built for Louisville's climate.
Two sashes glide up and down, a classic fit for Old Louisville shotgun houses and easy to clean.
Cranks open on a side hinge for strong airflow and a tight seal against winter drafts.
Rides smoothly on a track, a good pick for wide openings and clear views.
One big fixed pane that pulls daylight deep into the room.
Multi-panel windows that push outward, adding room and curb appeal to a Highlands bungalow.
Top-hinged awnings vent during humid summer rain, and garden windows give you a plant shelf.
For Louisville's four-season climate we most often install vinyl or fiberglass frames with Low-E 180 (dual-season) glass.
Get a free, no-pressure recommendation for your Louisville home, any style, any material.
From one drafty window to a full building, we serve homeowners and property owners across Greater Louisville.

We work on single-family homes, townhomes, condos, and historic shotgun houses across the metro. We measure, pull the Construction Review permit, install, and clean up.

We handle offices, retail storefronts, multi-family buildings, and HOAs. You get code-compliant glazing, low-disruption scheduling, and bulk pricing.
Residential or commercial, most Louisville property types qualify. No deposit, no pressure.
Licensed & insured · Lifetime workmanship warranty · Reply in 1 business hour
Louisville sits in climate zone 4A, a mixed-humid zone. Your windows have to insulate against cold winters and block summer sun at the same time. Here is what we put in a Louisville home:
| Spec | Recommended for Louisville | Why |
|---|---|---|
| Glass coating | Low-E 180 (dual-season) | insulates in winter, blocks heat in summer |
| Frame material | Vinyl or fiberglass | big temperature swings, 88°F summers to 26°F winters |
| Gas fill | Argon | better insulation against the heat |
| U-factor target | ≤ 0.28 | exceeds the Kentucky energy code requirement for zone 4A |
| SHGC target | 0.30 | balanced for four-season comfort |
In Louisville, a low U-factor does the heavy lifting through a cold, damp winter, and a tight seal keeps that humid summer air outside where it belongs. We target a U-factor of 0.28, well under the 0.35 the state code allows for zone 4A. With local power running about 15 cents per kilowatt-hour, better windows trim your bills month after month.
Window installation in Louisville usually runs $420 to $700 per installed window, or $7,500 to $14,000 for a full home. Older Old Louisville and Highlands homes can cost a little more when the openings are out of square or the trim needs custom work. Newer builds near Jeffersontown tend to land on the lower end because access is easy. With local home values near $250,000, new windows are one of the smartest upgrades you can make.
Get a free, no-pressure in-home quote today, licensed, insured, and backed by the installer's lifetime workmanship warranty.

Free Quote: we measure your openings in person and hand you a written estimate, no guesswork.

Custom Order: your windows are built to the exact size of each opening in your Louisville home.

Install: most homes wrap in one day, and your installer pulls the Construction Review permit for you.

Walkthrough: we clean up, haul off the old sash, and register your warranty before we leave.
Louisville Metro requires a building permit for most window replacements, since the city adopts the Kentucky Residential Code in full. A like-for-like swap is straightforward, but resizing an opening, changing the structure, or altering a bedroom egress window always triggers one. File it with Louisville Metro Construction Review. Your windows must also meet the 2018 Kentucky Residential Code, which caps the U-factor for zone 4A. If your home is in a preservation district like Old Louisville, we handle the extra review too. Your installer pulls the permit and manages code compliance for you.
"No more drafts in our Old Louisville home. Wish we'd done it years ago."
"They talked us out of upgrades we didn't need. Rare for Louisville, and appreciated."
"Condensation problem in NuLu is completely gone since the new units went in."
Recent project: Full-home replacement in Old Louisville, 18 Low-E 180 (dual-season) windows.
See what your project would cost, free, no-obligation in-home quote.
ZIP codes served: 40202, 40203, 40204, 40205, 40206, 40217
Usually yes. Louisville Metro requires a building permit for most window replacements, and resizing an opening or changing an egress window always triggers one. Your installer files it with Louisville Metro Construction Review for you.
For Louisville's mixed-humid zone 4A, we recommend Low-E 180 dual-season glass in vinyl or fiberglass frames, targeting a U-factor of 0.28 and an SHGC around 0.30. That mix fights winter heat loss and summer sun at once.
Most Louisville jobs run $420 to $700 per installed window, or $7,500 to $14,000 for a full home. Older homes with out-of-square openings can run a little higher.
Local power runs about 15 cents per kilowatt-hour. On a typical Louisville home, energy-efficient windows save about $493 a year on the ENERGY STAR published figure for this climate zone, or about $253 if you are replacing older double pane while cutting drafts and outside noise.
Old Louisville and other preservation districts require a Certificate of Appropriateness before you replace windows. The Historic Landmarks and Preservation Districts Commission wants new windows to match the look and dimensions of the originals on your shotgun house or Victorian. Your installer prepares the application and pick products that fit the guidelines.
Yes. Every installer we match you with is licensed, bonded and insured in Kentucky, and their work carries a lifetime workmanship warranty from your installer alongside the manufacturer's warranty on the windows. We arrange your quote and the introduction; your installation contract is with the installer who does the work.
Free, no-pressure in-home estimate. No deposit to book. Satisfaction guaranteed.