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Avatar for Clifton Contracting
Clifton Contracting
4.9(
41
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"Chris’s team from Clifton Contracting was fantastic. I’d been searching for a company to install a basement egress window so we could have a legal basement bedroom. Chris was the third estimate I receive since the two other estimates I’d gotten from other companies seemed high, one other company had even quoted me $10k for a fiberglass egress tub. Chris’s quote was literally almost half that and it was for a stone egress…additionally he was very knowledgeable and clear regarding the pricing for not just the basic window egress but also a virtual a la cart list of pricing options I could add if I wanted. I went with stone/segmented wall options which ended up looking great. I also ended up having Chris’s team wire the basement bedroom to code (running wire and installing the outlets) in addition to wiring & adding an additional hardwired fire alarm to code. I was planning on doing that piece myself but given the pricing was pretty reasonable and he could knock it out at the same time and include it in the permit as a single project, it was an easy choice for me. Overall I’m very happy with the work and would definitely use them again."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for 3 PROS Basement System
3 PROS Basement System
4.0(
39
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Dr. Energy Saver was very thorough in finding the comfort and energy issues in one of my customers homes. They showed the customer exactly what was going on, why they had any issues, and how they were going to solve them. They provided a prioritized list of solutions for them too so they could pick and choose the importance to the homeowner. All work was done in a timely fashion, was clean, and fixed their issues."
Crawl Space Before Picture
Finished!
Beautiful Encapsulated Crawl space
SaniDry Sedona
Spray Foamed walls

+32

Response time1 day
102 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Comfenergy
Comfenergy
3.9(
50
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"Not inexpensive, but worth the cost for energy savings and efficiency. We had received a much higher bid from another company, and were glad we chose Comfenergy. The technician was very knowledgeable and we felt a great difference in our upstair master bed and bath which were uncomfortably warm prior to the improvements. Also nice now to have "green" home for resale."
Attic before
Attic after
Historic Waterford Home
Historic Plaque
Crawl space before

+6

Response time1 day
130 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Roofing & More, Inc.
Roofing & More, Inc.
3.4(
88
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"I was very impressed with this company. We did not need to do this project after all, or I would have been very happy to work with them. The technician who provided the estimate was top notch! He explained everything and even took a video with his phone to show me his findings after he inspected the doors and doorframe. I would highly recommend this company based on my experience with them."
Entry Door
Windows and Window Trim
Replacement Window
Windows and Doors
Before and After

+9

Response time12 hrs
Recommended by85%of homeowners
Avatar for '58 Foundations
'58 Foundations
3.5(
35
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

Approved

In business since 1958

Free estimates

Warranties offered

"Sales rep did not provide all required details for project so on day of there were surprises. I was told the rep was no longer with the company."
Basement Waterproofing
Basement Waterproofing
Waterproofed Basement
Basement Waterproofing
Crack in Basement Floor

+18

Response time1 day
6 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for JDS Home Improvement LLC
JDS Home Improvement LLC
4.5(
26
)
Egress Window - Install

Serving Dulles, VA and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"I recently had an egress window installed in my home by JDS Home Improvement. I purchased the Rockwell Egress Window. This window brings in a lot of natural light and it's just beautiful! Jordan Jones put a hanger inside the cover of the window so I could hang a plant. Jordan,Joshua Jones and all of the work crew were very professional and kind. The quality of the work is superb. I even had a custom closet made that l am very pleased with. The installation of the window was completed in a few days. The staff cleaned up well. Due to the heavy equipment used,part of my lawn was affected. JDS planted grass seed and the grass has already sprouted in just a few days. If it were not for Jordan, this project would not have been possible. It is without reservation that I highly recommend JDS Home Improvement. I'm looking forward to using JDS Home Improvement for my next project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+18

Recommended by88%of homeowners
Showing 1-10 of 46
Egress Windows questions, answered by experts

A good U-factor for windows is 0.30 or lower, but they can range from 0.20 to 1.20. A general rule of thumb when it comes to the U-factor is that the lower, the better.

Most modern egress windows installed in basements open outward into a window well, although some older homes have in-swing windows. Egress windows, like casement windows used in other parts of the home, such as bedrooms and bathrooms, may open inward, and these windows are often larger than outward-opening windows.

If improperly installed, an egress window can compromise your foundation’s structural integrity, so it’s important to work with a pro to ensure your foundation remains in good shape. Any money you may save on a DIY egress window installation may cost you in the long run if your foundation is damaged in the process.

Yes, egress windows can significantly add value to a home. By making basement and attic areas safer and more livable, they allow you to market these spaces as finished living areas, which increases your property's value. Many homeowners can recover the full installation cost, with some sources citing a return on investment of around 70%. The exact value added depends on your specific home, location, and adherence to local building codes. Beyond financial value, egress windows enhance functionality by adding natural light and comfort. They are also a crucial safety feature, often mandated by building codes to serve as an emergency exit.

Basements are generally required to have windows for your safety. At a minimum, windows should provide an egress in the event of a fire. But basement windows do more than offer a way out; basement windows also offer natural light and ventilation in an area of your home that is otherwise dark and musty.

The Dulles, VA homeowners’ guide to egress window services

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