DEM Windows & Doors delivers energy-efficient window and door installation in Franklin, TN for homeowners across Williamson County. We are a local window and door contractor serving Franklin and the greater Middle Tennessee region, backed by a 5.0 rating from 25 Google reviews, BBB accreditation with an A+ rating, and full service in both English and Spanish. From storm-ready windows to secure entry doors, we handle measurement to final seal in-house, with free in-home estimates and flexible financing.
Serving the City of Franklin and surrounding Williamson County neighborhoods, DEM Windows & Doors gives you clean, professional installation and an honest price, not a weeks-long wait behind a big-box contractor.
Prefer to talk now? Call (615) 496-0103
Whether you are refreshing a historic home off Main Street or upgrading a newer build in Cool Springs, we install and repair the openings that control your home's comfort, security, and curb appeal. Every project is quoted after an in-person measurement, installed by our own crews, and backed by a written warranty.
Window Installation
New windows cut cooling and heating costs, block street noise, and refresh curb appeal across Franklin. We install double-hung, casement, and energy-efficient double-pane windows sized and sealed for Middle Tennessee weather. Explore our full approach to window installation in Franklin, TN.
Get a window quote →Door Installation
A solid, well-hung door improves security, sealing, and the first impression of your Franklin home. We install and replace entry doors, patio doors, sliding doors, and front doors with a clean fit that keeps out drafts and moisture. See our options for door installation in Franklin.
Get a door quote →Window & Door Repair
Not every problem needs a full replacement. We repair broken glass, failed seals, drafty frames, and doors that stick or will not close, often with same-day estimates so your home stays secure. Start with our window and door repair in Franklin.
Call for same-day repair →Franklin sits in one of the wealthiest counties in the South. The U.S. Census Bureau puts the median owner-occupied home value in Williamson County at $751,900, with a median household income of $135,594. On a home at that value, dated or failing windows and doors are not a cosmetic issue. They drag down resale appeal, energy performance, and buyer confidence.
Replacement windows and a new entry door are among the highest-return exterior upgrades a homeowner can make before listing, and they read instantly to any buyer walking a Franklin open house. We install finishes and frame styles that match the architecture of your neighborhood, from historic districts to newer master-planned communities you can see in our project gallery.
Middle Tennessee summers run hot and humid, winters bring hard freezes, and spring and fall push strong storm systems straight through Williamson County. The National Weather Service in Nashville notes that Middle Tennessee has recorded more tornadoes since 1950 than any other part of the state, and Franklin itself was hit by a confirmed tornado as recently as August 2023. Those temperature swings and wind events push old single-pane windows and worn door seals to leak air, drive up energy bills, and let moisture warp frames.
We install energy-efficient, double-pane, Low-E windows and properly sealed entry doors built for Franklin heat, humidity, and storm exposure. Every installation includes tight weather sealing, correct flashing, and a free in-home assessment, so your home stays comfortable and cheaper to run all year. For homes in exposed or higher-wind locations, ask us about impact-rated laminated glass and reinforced door hardware.
Most break-ins do not involve picked locks or broken-down walls. Industry data compiled from ADT shows that roughly 56% of burglars enter through a door (front or back) and about 23% through a first-floor window. A door that does not sit square in its frame, a lock that no longer throws cleanly, or a window with a failed latch is an open invitation. In a high-value market like Franklin, that risk is worth closing.
How burglars get in (share of entries)
Source: ADT home-entry data.
We hang doors that close square and lock clean, and we install windows with secure, modern latching built into the frame. Proper installation is the part most contractors rush, and it is exactly where security is won or lost. If a current opening feels loose or drafty, our Franklin window and door repair team can secure it fast, often with a same-day estimate.
Call (615) 496-0103 for a same-day repair estimate
Franklin's long cooling season and humid summers mean your HVAC runs hard for months. Replacing poor-performing windows with ENERGY STAR certified models saves homeowners an average of about 12% on energy costs nationally, and the payoff is larger in a climate with wide temperature swings like Middle Tennessee. Low-E coatings reflect heat in summer and hold it in during winter, while insulated double-pane glass cuts the heat gain that makes upstairs rooms unbearable in July.
All of our window lines meet ENERGY STAR performance criteria for our climate zone. Not sure the budget is there today? Ask about 100% financing to spread the project out over simple monthly payments.
Not sure which windows fit your Franklin home and your budget? Here is how the most popular options compare for the Middle Tennessee climate.
| Window Type | Best For | Energy Efficiency | Franklin Climate Fit |
|---|---|---|---|
| Window TypeDouble-Hung | Best ForHistoric Franklin homes and easy cleaning, both sashes open and tilt in | Energy EfficiencyHigh | Franklin Climate FitGood airflow for humid summers and simple to seal tight against winter drafts |
| Window TypeCasement | Best ForKitchens and hard-to-reach spots, opens wide with a crank | Energy EfficiencyHigh | Franklin Climate FitSeals firmly when closed, which helps during heavy storms and wind |
| Window TypeDouble-Pane Low-E | Best ForHomeowners focused on lower energy bills and summer comfort | Energy EfficiencyHighest | Franklin Climate FitTwo panes and insulated glass fight summer heat gain and winter heat loss |
| Window TypeImpact / Laminated Glass | Best ForExposed or higher-wind lots wanting storm and security protection | Energy EfficiencyHigh | Franklin Climate FitResists wind-driven debris in severe storms and adds a security layer |
| Window TypeSliding | Best ForWide openings and modern layouts, easy day-to-day use | Energy EfficiencyGood | Franklin Climate FitSimple operation and a clean lock, best paired with quality weather stripping |
Call (615) 496-0103 for a free in-home recommendation
Historic Downtown Franklin
The homes around Main Street and the Hincote and Fourth Avenue historic blocks were built long before modern glass existed. Original single-pane windows leak energy and stick in humid weather. We install efficient windows with profiles that respect the historic look while sealing out drafts and moisture.
Westhaven
Westhaven's traditional-style homes off Highway 96 West carry large window packages and prominent front entries where appearance matters to the HOA and to resale. We match frame colors and door styles to the neighborhood's standards while upgrading energy and security performance.
Cool Springs
Cool Springs subdivisions near Mallory Lane and Carothers Parkway tend to be larger builds with high ceilings and big glass areas, which means real summer heat gain. Double-pane Low-E windows cut cooling costs and keep upstairs rooms comfortable through the Middle Tennessee summer.
Fieldstone Farms
Fieldstone Farms off Hillsboro Road is an established community where many homes are now twenty to thirty years old. Original windows and doors are reaching the end of their life, with failed seals and worn hardware. This is prime territory for replacement that pays back in comfort and resale.
Or call (615) 496-0103
Free Home Inspection
We measure your openings in person, answer questions, and recommend the best solution for your Franklin home.
Detailed Project Quote
You get transparent, written pricing and a customized plan with no surprises, plus financing options if you want them.
Expert Installation and Warranty
Our own crews install clean, finish on schedule, and back the work with quality materials and a written warranty.
Homeowners across Franklin and Middle Tennessee consistently mention the same things: on-time arrival, polite crews, clean work, and windows and doors that look great. Read the full set of reviews on our Google Business Profile, then see why local homeowners rate us 5.0.
A window or door upgrade is a real investment, and it should not have to wait. Through our financing partner you can spread the cost into simple monthly payments with a quick application and fast credit decisions. Ask about 100% financing during your free in-home estimate and we will walk you through the options.
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Yes. We install and repair windows and doors across Franklin, Brentwood, Spring Hill, Thompson's Station, Nolensville, and the rest of Williamson County. We are a service-area business, so we come to your home for the full project.
Pricing depends on window type, size, frame condition, and how many units you are doing. We quote after an in-person measurement so the number is real. Many homeowners use our 100% financing to spread it out.
Yes. All of our window lines meet ENERGY STAR performance criteria for our climate zone, with Low-E double-pane glass built for Franklin heat and humidity.
Often, yes. Broken glass, failed seals, and sticking doors can frequently be repaired, sometimes with a same-day estimate. Start with our window and door repair service.
Yes. We provide full service in both English and Spanish, so you can talk through your project in the language you are most comfortable with.
Still have questions? Call (615) 496-0103
Ready to upgrade your windows or doors, or need a fast repair? Send us your details and we will get back to you, often with a same-day estimate. Prefer to talk now? Call (615) 496-0103.
