Replacement Windows, Doors & Siding for Jacksonville Homes
Get 50% off installation and a free in-home estimate from a family-owned Jacksonville company that has been doing this the right way since 2003 — built for Florida heat, humidity, and hurricane season.
- Family-owned since 2003
- Our employees, never subcontractors
- Florida Lic. CBC056153
- Hurricane-rated impact products
Get My Free In-Home Estimate
No pressure, no obligation. We'll confirm your details and schedule a visit.
50% Off Installation
On your full window, door & siding project
Financing as Low as $5/Day
GreenSky® — quick approval, keep your cash
Free In-Home Estimate
No obligation, no pressure, no runaround
What we install
Built for Florida homes, installed by our own crews
Three things we do exceptionally well — windows, doors, and siding — each chosen and fitted for the way Florida weather actually behaves.
Replacement Windows
Old, leaky windows let Florida's heat and humidity straight into your home and onto your power bill. We install energy-efficient, Low-E replacement windows — including impact and hurricane-rated options — that hold up to storm season and keep conditioned air where it belongs. Cleaner lines, quieter rooms, and a tighter, more comfortable house.
- Low-E, energy-efficient glass
- Impact & hurricane-rated options
- Custom-fit to your openings
Entry, Patio & Impact Doors
A door is the first thing guests see and your first line of defense against Florida weather. We install entry, sliding glass, French, patio, and impact doors in both fiberglass and steel — built to hurricane code, sealed against humidity, and finished to match your home. Better security, better efficiency, and a real upgrade to your curb appeal.
- Entry, sliding, French & patio
- Fiberglass & steel, hurricane-code
- Sealed against heat & humidity
James Hardie Fiber Cement Siding
Florida's sun, humidity, and wind are hard on exteriors. James Hardie fiber cement siding is engineered for exactly this climate — it resists moisture, rot, and warping, stands up to wind, and holds its color far longer than ordinary siding. Installed by our own crews, it gives your home a durable, low-maintenance exterior that looks sharp for years.
- Engineered for Florida humidity & sun
- Wind, rot & moisture resistant
- Installed by our own employees
Why homeowners choose Koehler
A neighbor who actually shows up — and stands behind the work
We're not a national chain or a big-box referral. You work directly with the family that runs the company, and the same crew that quotes your project is the one that installs it.
- Family-owned since 2003 — over 20 years serving Jacksonville
- Installed by our own employees, never subcontractors
- Owner Toby personally reviews every proposal
- Florida Certified Building Contractor (CBC056153)
- Licensed, insured & bonded
- Backed by a written workmanship warranty
Florida Certified Building Contractor
CBC056153
- Established
- 2003
- In business
- 20+ yrs
Licensed, insured & bonded in the State of Florida.
Flexible financing
New windows for about the price of a coffee a day
With GreenSky® financing, projects can start as low as $5/day — so a more comfortable, storm-ready home doesn't have to wait.
Quick, often instant approval
Apply in minutes — no long wait to get started.
0% deferred-interest option
Qualified buyers can finance with no interest if paid in the promo window.
Keep your cash on hand
Upgrade your home now and spread the cost into easy monthly payments.
Financing provided by GreenSky® and subject to credit approval. Ask your estimator for current terms.
How it works
Four simple steps, no surprises
From the first call to the final walkthrough, you always know exactly what happens next.
- 01
Free Consultation
We visit your home, listen to what you need, and take exact measurements — no pressure.
- 02
Custom Proposal
You get a clear, written proposal with honest pricing and financing options. Owner Toby reviews every one.
- 03
Professional Installation
Our own employee crews install your windows, doors, or siding cleanly and on schedule.
- 04
Final Walkthrough
We walk the finished project with you and don't leave until you're completely satisfied.
Where we work
Proudly serving Northeast Florida & Southeast Georgia
Based in Jacksonville and covering the communities around it. If you're in one of these counties, we'd love to take a look at your project.
Florida
- Duval County
- St. Johns County
- Clay County
- Nassau County
- Flagler County
Georgia
- Camden County
- Charlton County
Real reviews
What Jacksonville homeowners say
A few words from neighbors who trusted us with their windows, doors, and siding.
Easy, smooth experience. Toby was very helpful at every step in the process!
Very easy to work with this company. Excellent communication throughout the project. Site prep and cleanup complete. Would highly recommend.
I've used Koehler for two different home projects. Highly recommend their services — they do phenomenal work.
Fair price and no issues with any touch-up items I needed completed. I would recommend them to anyone looking for new windows.
I'm very satisfied with the windows and door I had done.
They did what they said and there were no problems.
Good questions
Frequently asked questions
Do you offer financing?
Yes. Through GreenSky®, projects can start as low as $5/day, with quick — often instant — approval and a 0% deferred-interest option for qualified buyers. Your estimator will walk you through current terms.
Are your windows and doors hurricane-rated?
We offer impact and hurricane-rated windows and doors built for Florida's code and climate — engineered to stand up to high winds and storm season while improving your home's energy efficiency.
Is the work guaranteed?
It is. We're a Florida Certified Building Contractor (CBC056153) — licensed, insured, and bonded — and every project is backed by a written workmanship warranty.
Do you use subcontractors?
Never. Your project is installed by Koehler's own employees. The crew that does the work is part of our team, and owner Toby reviews every proposal personally.
How long will my project take?
It depends on the scope and your materials, but you'll get a clear timeline in your written proposal up front — and because we use our own crews, we keep it on schedule.
Why is this phone number different from your website?
The number on this page, (904) 746-4003, routes straight to our sales line and helps us see which ads are working. It reaches the same Koehler Home Improvement team — call it anytime.
Your free in-home estimate
Let's make your home more comfortable and storm-ready
Tell us about your project and we'll schedule a no-pressure visit. Lock in 50% off installation and financing as low as $5/day.
- 50% off installation
- Hurricane-rated impact products
- Licensed · Insured · CBC056153