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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon124
    Verified window and door contracting services reviews

Top-Rated Window and door contractors in Frederick - Updated Nov 2026

Avatar for ARDMOR Windows & Doors
ARDMOR Windows & Doors
4.7(
145
)
New Windows - 3-5New Windows - 6 +Doors (Exterior) - Install or Replace+18 more

Serving Frederick, PA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Recently we hired Ardmore to replace the glass in 2 of our skylights and install a new storm door. Other than rain delays the skylights were installed in less than 2 hours as Ardmore sent 2 crews for the installation. They even came inside to vacuum any debris that might have fallen into the house during the installation. (5 out of 5). The installation of the storm doors was different. It took over 10 hours for 2 men to finish the installation which I felt was excessive and felt they didn't do the installation correctly. The difference between a good company and a better company is how well they fix a problem and to this point they are doing a better job. When I called to complain the scheduler immediately suggested they send out someone to inspect the work and within 3 days someone came out and fixed 2 out of the 3 problems and said someone would be calling me and ordering a replacement part to fix the 3rd problem"
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+65

17 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Alderfer Glass Co.
Alderfer Glass Co.
4.8(
71
)
Window Glass - Install or Replace

Serving Frederick, PA and surrounding areas

Approved

In business since 1961

Free estimates

Warranties offered

"They came out quickly and he did a nice job repairing the windows. The price certainly seemed fair to me although I didn't price with anybody else because it was kind of an emergency situation. The fellow who came to give me an estimate told me it would take weeks for them to do it. I had to clean up my house for sale on Thursday and I needed this done. When I called the company and said that I'm in an emergency, they said they can get here the next day. They came within a day. I went upstairs and there was a gap in one of my windows so I went to weather strip it and I noticed one of the paint seemed to be loose in an area. I called immediately and the guy came right back and explained to me that it takes a while for the putty to set and what I was seeing was normal, etc. I felt kind of stupid calling them and he said he should have explained it to me and said he was very sorry. He said they rather I call them now than not call them. I was very impressed with them. I would use them in a millisecond again."
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+53

5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Earth Smart Remodeling
Earth Smart Remodeling
4.6(
73
)
New Windows - 6 +New Windows - 3-5New Windows - 2+5 more

Serving Frederick, PA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"We were very happy with this company. Felt pricing was very fair, and unlike other contractors, were not pushy at all. We have close to 35 windows in our home, and split up the installations into 3 separate times. Installers were great! And we love our new windows!"
After
After
After
After
Black Window Project

+59

Response time1 day
Response rate100%
41 neighbors recently requested a quote
Avatar for The Flying Locksmiths of Greater Philadelphia
The Flying Locksmiths of Greater Philadelphia
4.5(
64
)
Doors - Repair - For BusinessDoors (Exterior) - Install or Replace - For BusinessDoors (Interior) - Install or Replace - For Business+1 more

Serving Frederick, PA and surrounding areas

Approved

In business since 1946

Free estimates

Emergency services offered

"Flying Locksmiths came out and replaced my exterior locks on 2 doors at my new home. They were prompt, scheduled when convenient for me, and completed the job quickly - in far less time and effort that it would have taken me. Would definitely hire them again if needed."
TFL_1
TFL Technicians
TFL_2
TFL Roots
TFL_3

+10

Response time1 day
20 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
5.0(
228
)
New Windows - 2New Windows - 3-5New Windows - 6 +

Serving Frederick, PA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Ryan was very personable and enjoyable to have a conversation with. He really knows how to connect with people. The crew was very fast and the windows look amazing. Next project is doors and can?t wait for home genius to do that!"
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+78

74 neighbors recently requested a quote
Recommended by8%of homeowners
Avatar for RMD Glass & Glazing
RMD Glass & Glazing
5.0(
14
)
Window Glass - Install or Replace

Serving Frederick, PA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Rob was personable, professional and prompt! He was able to seamlessly repair a custom window and even matched the tint. You are unable to tell it was repaired. His prices are very fair, and competitive. Would recommend him to anyone looking for window repair and other glass services"
Seal-Failed Window
Seal-Failed Patio Door Glass Replacement
Response time3 days
2 neighbors recently requested a quote
Recommended by81%of homeowners
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Window Door Contractors FAQs, answered by experts

There are different types of screen materials available when purchasing a screen door, but the two main options are fiberglass and aluminum. Fiberglass is lightweight and affordable, but can stretch out, so it needs to be replaced more often. Aluminum has a higher upfront cost, but is more sturdy. Aluminum can be more difficult to install, even if you know how to replace screen door mesh.

Typically every 10-15 years or whenever they show signs of wear and tear.

Whether you should repair or replace a screen door depends on the type and extent of the damage. It is easy and economical to repair a small tear in the mesh using a widely available DIY patch kit. However, if there are large tears, multiple damaged spots, or if the screen is made of a specialized material, replacing the entire screen mesh might be a better long-term investment for a tidier appearance. You should also consider the condition of the frame; if the frame itself is damaged, it's likely time to replace the entire door. Other factors to weigh include whether you want a new style or need a more durable door.

Ensures proper fit and function, maximizing insect protection and airflow.

On average, it cost $2,900 to rescreen a patio, porch, or sunroom, with homeowners paying anywhere from $800 to $5,200. The cost to rescreen a porch, patio, or sunroom enclosure depends on the size of the enclosure, the extent of the damage, and the materials used to replace existing screens.

The Frederick, PA homeowners’ guide to window and door contracting services

From average costs to expert advice, get all the answers you need to get your job done.