Local Window Replacement – Janesville & Stoughton

For outstanding replacement windows and doors in Janesville, Stoughton and nearby areas, look no further than AHT Wisconsin Windows. We are a family-owned and -operated home improvement company that has served local residents since 1967. We understand the unique needs of Janesville, Wisconsin homeowners and proudly offer products that are “built frozen tundra tested tuff” to withstand the frigid temps we often experience. Contact AHT Wisconsin Windows today for more information about our energy-efficient replacement windows.

Local Reviews
for Janesville, Stoughton Area


Brienna T.

Brienna T.

Here at the community expo! Come out and see if you can save up to 40% on your heating and cooling costs with new windows from us!

Near Mandt Pkwy, Stoughton, WI 53589
Brandon D.

Brandon D.

In the area meeting with a homeowner who is looking to replace the double hung windows in their home along with their entry doors.

Near 6th St, Stoughton, WI 53589
Matt R.

Matt R.

new windows

Near Old Stage Rd, Brooklyn, WI 53521
Brandon D.

Brandon D.

Excited and In the area meeting with two homeowners who are looking to replace the casement windows in their bedroom.

Near E Sunset Dr, Milton, WI 53563
Brandon D.

Brandon D.

In the area meeting with a homeowner who is looking to replace all the double hung windows in her home along with her sliding patio door.

Near E Rotamer Rd, Janesville, WI 53546
Brandon D.

Brandon D.

In the area meeting with a homeowner who is looking at replacing all the double hung windows in his home.

Near 23rd St, Monroe, WI 53566
Brandon D.

Brandon D.

Meeting with a homeowners who's looking to replace the patio door in his home alone with to casement windows.

Near Valencia Dr, Janesville, WI 53546
Brandon D.

Brandon D.

Meeting with two homeowners looking to replace all the double hung windows in their home along with their entry door.

Near Richland Rd, Monroe, WI 53566
Matt R.

Matt R.

new windows, patio door

Near Lake Woods Way, Stoughton, WI 53589
Matt R.

Matt R.

new windows

Near S Monroe St, Stoughton, WI 53589

Replacement Windows Janesville and Stoughton

Homeowners in Janesville and Stoughton areas we have the energy-efficient windows you are looking for whether you are buying windows for new construction or replacement windows for your current home. Our technologically advanced replacement windows have:

  • Triple-pane glass, Low-E coatings, and krypton gas fills that will reduce heat transfer and UV ray infiltration, helping to keep the inside of your home more comfortable and its internal temperature more stable throughout the year
  • Unmatched durability, as each window we install is 400 percent stronger than typical vinyl windows, and features welded corners and a 3-1/4” master frame to withstand heavy forces and Mother Nature’s elements

Replacement Entry Doors Janesville and Stoughton

Whether you are looking to upgrade your curb appeal or you are tired of drafts in the winter, AHT Wisconsin Windows has the replacement entry doors you are looking for. Our energy-efficient exterior doors will help keep your home in Stoughton warm and comfortable during in colder temperatures. We have a wide selection of replacement exterior doors, front doors, fiberglass entry doors, storm doors or entry doors. Our replacement entry doors are durable, beautiful, secure and energy-efficient. Our replacement doors are customizable to your home; they come in come in a variety of colors or hand applied stains, styles and features.

Replacement Patio Doors Janesville and Stoughton

AHT Wisconsin Windows is proud to offer Janesville, Stoughton and surrounding areas with the foremost durable and energy-efficient sliding glass doors and patio doors on the market today. Our replacement patio doors come with: multi-point locking system with single lever operation to help keep you and your loved ones safe, step lock for added security in the closed position as well as locked when open, warm-edge insulation for enhanced energy efficiency, a monorail sliding system with rollers at the top and bottom of the door for easy opening and closing, a wide range of available colors to suit the look of your home and your personal tastes and all clear glass patio doors available in triple pane.

Contact AHT Wisconsin Windows today for more information about replacement windows, replacement doors or a replacement sliding glass doors that we install at homes in Janesville, Stoughton, Evansville, Edgerton, Milton, Lake Geneva, Whitewater, Monroe, Brodhead, Brooklyn, New Glarus, Fort Atkinson, Lake Mills, Watertown and all nearby communities in Wisconsin. We will be glad to answer any questions you may have about our replacement windows and provide you with a free quote. Proud to serve the following zip codes with all of their window and door needs -53563, 53548, 53534, 53536, 53546, 53545, 53147, 53190, 53566, 53520, 53521, 53574, 53538, 53551, 53094.