Window & Door Replacement
in Frederick, MD
GAF Master Elite Certification
300+ 5-Star Reviews
Accredited and A+
Stop Drafts in Your Frederick Home and Start Saving
If your windows or doors are more than 20 years old, they could be costing you money every month. Drafts, foggy glass, worn seals, and poor insulation force your heating and cooling system to work harder through Frederick’s humid summers and chilly winters.
At AC Matthews Roofing & Exteriors, we install high-quality replacement windows and entry doors for homeowners throughout Frederick, MD. Every window and door is carefully sized, fitted, sealed, and finished so your home looks better, feels more comfortable, and operates more efficiently year-round.
Window and Door Replacement in Frederick, MD
Homes throughout Frederick were built across many decades, and older windows often struggle to meet modern energy-efficiency standards.
Some of the most common problems homeowners notice include:
- Drafts around windows and doors
- Foggy or cloudy glass between panes
- Windows that stick or no longer lock properly
- Rising heating and cooling bills
- Condensation during colder months
- Rooms that feel too hot in summer or too cold in winter
Whether your home has aging wood windows, outdated vinyl units, or worn entry doors, we can recommend replacement options that fit your home, style, and budget.
We install products from trusted manufacturers, including Andersen, Pella, and other proven brands known for durability and long-term performance.
How Frederick's Climate Affects Your Windows
Frederick’s changing weather conditions can put added stress on older windows and doors. Here are some of the most common local conditions that affect comfort, energy efficiency, and long-term window performance.
Frederick summers bring heat and humidity that can make older windows and doors less efficient. Poor seals and outdated glass allow heat transfer into the home, making certain rooms feel warmer and forcing your air conditioning system to work harder.
During colder months, aging windows can allow drafts and cold air to enter around worn seals or poorly insulated frames. This often leads to uneven indoor temperatures and higher heating costs.
Homes with large south- or west-facing windows often experience more direct afternoon sunlight. Without modern Low-E glass coatings, this solar heat gain can make rooms noticeably hotter during the summer months.
Frederick experiences regular temperature fluctuations throughout the year. Over time, repeated expansion and contraction can wear down seals, weatherstripping, and older window components.
Condensation on windows during colder weather can be a sign of poor insulation or failing seals. Excess moisture around windows may also contribute to frame deterioration over time if left unaddressed.
GAF MASTER ELITE ROOFING CONTRACTOR
Workmanship With Integrity
AC Matthews is proud to be a GAF Master Elite® Roofing Contractor, a status achieved by only 2–3% of roofing companies in the entire country. This elite recognition highlights our commitment to superior workmanship, strict quality standards, and roofing systems built to protect your home for years to come.
WE INSTALL ALL LEADING BRANDS
Products That Last
GAF roofing systems, Royal Building Products siding systems, and Provia, Windows & Doors are our flagship material partners, but we proudly install all leading brands. Whether you prefer a specific manufacturer or your insurance requires it, you’ll still receive the same elite AC Matthews installation and warranty support.
TRUSTED BY MARYLAND & PENNSYLVANIA HOMEOWNERS
Real Customer Reviews
Posted on Google Monica Kohnle AC Matthews came highly recommended by our realtor, and they did not disappoint. From the start, they were professional and responsive, providing a clear estimate and getting us on the schedule quickly. The repairs were completed on time, done right, and the finished work looks great.Posted on Google jess holst I cannot speak highly enough of the professionalism and courtesy of these guys. We worked directly with Corey as our project manager, and he was just fantastic to work with. They offered a number of color options and the install itself was quick and thorough. I am so appreciative that a friend recommended AC Matthews to us for work and would be happy to recommend them to anyone else in need of a roof.Posted on Google dong liu Matthew Coleman's team did an excellent job replacing our doors and painting lintel. They were highly focused and paid close attention to detail throughout the entire process. Matthew was very patient with us and took the time to explain every step of the work. He consistently went above and beyond our expectations. In addition to completing the project, Matthew offered helpful advice on home maintenance and pest control. Matthew and his team are professional, knowledgeable, and a pleasure to work with. We are extremely pleased with the results and will definitely bring them back again for our next home improvement projectPosted on Google Ryan Great communication through the entire project, and delivered everything promised. Would use again, and happily recommend to friends and family.Posted on Google Michael Ellis Working with AC Matthews was a real pleasure. Due to hail damage, we needed a new roof and gutters. From start to finish, Ryan McKibbin and his team at AC Matthews were professional, courteous, and helpful. He dealt with the insurance company and kept us constantly in the loop. The install went very smooth, and the new roof looks great. I wouldn't hesitate for a second to hire AC Matthews in the future.Posted on Google Gregory Lehrl Matt comes highly recommended. Diligent, clearly communicates and has proven trustworthy. I believe everyone would have the same, positive interactions as I have!Posted on Google Barbara Huckeba The Team led by Ryan McKibbin were hard working and professional! Ryan kept me informed of everything (time of arrival, where the Team was in the process, expected time of arrival, etc.). The team did an excellent job, including the “clean up” processPosted on Google Miriam Shnidman Prompt work. Excellent job. Pleasant to deal with.
Frequently Asked Questions About Window & Door Replacement in Frederick, MD
Most replacement windows cost between $600 and $1,200 installed, depending on the window style, materials, and installation requirements. Full-home window replacement projects commonly range from $15,000 to $25,000.
Most entry door replacement projects in Frederick range from $1,500 to $4,000, depending on the door material, glass options, sidelights, hardware, and installation complexity.
Many Frederick homeowners choose energy-efficient double-pane windows with Low-E glass along with insulated fiberglass or steel entry doors to help improve comfort and reduce energy loss throughout the year.
Common signs include drafts, foggy window glass, rising utility bills, difficulty opening or locking windows and doors, moisture around frames, and noticeable temperature differences between rooms.