20149, Ashburn, VIRGINIA
An overhead, wide-angle view of a bright, two-story living room with a vaulted ceiling. The room features a white fireplace and a large wall of windows and French doors leading to a deck, with an arched window at the top. A large, ornate chandelier hangs from the ceiling. Sunlight streams through the windows, casting geometric shadows on the hardwood floor. A staircase with a dark wood railing is visible on the left.

Quick Guide to Window Types  

3 minute read


Choosing the right windows for your home starts with understanding your options. If you’ve ever wondered. “What are the different types of windows?” and how they affect comfort, style, and energy use, you’re in the right place. This quick guide breaks down the main window types and names you’ll hear during your replacement journey, so you can make confident, informed decisions. 

Why Window Types Matter

Windows aren’t just about letting in light; they affect how your home feels, performs, and even how much energy you use. The type of window you choose influences airflow, insulation, and maintenance needs. Understanding the basics up front helps you narrow down your choices, especially when balancing appearance, function, and budget. 

Operating Window Types

Double-Hung Windows

A classic and versatile choice, double-hung windows feature two operable sashes that slide up and down. They’re great for ventilation and easy cleaning, especially models where the sashes tilt inward. 

Casement Windows

Hinged on one side and opening outward with a crank, casement windows create a tight seal when closed and catch side breezes beautifully when open. They’re ideal for areas where you want maximum airflow and energy efficiency. 

Slider (or Gliding) Windows

These windows open horizontally along a track, making them a simple, space-saving option for modern homes. They offer wide views and are easy to operate, especially in living rooms or over kitchen counters. 

Fixed and Specialty Window Types

Picture (Fixed) Windows

Picture windows don’t open, but they offer expansive, unobstructed views and excellent insulation. They’re ideal for framing scenic outdoor views or pairing with other window styles for added dimension. 

Bay and Bow Windows

Bay and bow windows project outward from the wall, creating extra space and a striking focal point. Bays typically have three panels (a large center flanked by two angled sides), while bows feature four or more panels for a gentle, curved appearance. Both styles add light, dimension, and architectural charm. 

Essential Window Terminology

Frame Materials

  • Vinyl: The most popular modern choice, vinyl frames are affordable, low maintenance, and highly energy efficient. 
  • Fiberglass: Known for strength and stability, fiberglass resists warping and performs well in extreme temperatures. 
  • Wood: Timeless and beautiful, wood offers superior insulation and a natural aesthetic but requires periodic care to prevent rot or weathering. 

Glass and Efficiency Terms

  • Insulated Glass Units (IGUs): Two or more panes separated by an air or gas-filled space that improves thermal performance. 
  • Low-E Coating: A thin metallic layer that reflects heat while allowing natural light in, keeping interiors comfortable year-round. 
  • Argon Gas: A dense, invisible gas sealed between panes to slow heat transfer and enhance insulation. 

Performance Ratings

  • U-Factor: Indicates how well a window prevents heat from escaping. Lower numbers mean better insulation. 
  • SHGC (Solar Heat Gain Coefficient): Measures how much solar heat enters through the glass, which is important for controlling indoor temperature, especially in sunny climates. 

Contact Us Today for a Free, No-Obligation Consultation

Still wondering what types of windows are out there and which is right for your home? Our experts at Advanced Window Products can help you compare materials, energy ratings, and styles that fit your space and budget. 

Call 801-505-9622 or contact us online to schedule your free consultation today.

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Image credit: BryanChavezPhotography / Shutterstock

Reviews

Sandra Sk AvatarSandra Sk
I couldn't ask for a better group of hardworking men who did a professional job! Mario, Francisco, and Martin are amazing guys who did a fabulous job! I didn't even know they were here! They cleaned up any and all messes while they were working and when they were done with the job! Communication with the crew was absolutely great! I would reccommend Advanced Windows to anyone, they won't disappoint! I promise you this my friend's! - 2/19/2026 
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John Taylor AvatarJohn Taylor
Advanced Window just replaced three of my windows that were aging and leaking. Eli was the installer and he was excellent. He was extremely knowledgeable and demonstrated an attention to detail and professionalism The new windows matched perfectly and they work just as designed. In addition, Eli cleaned up the work area and left it pristine. The windows were also cost effective. I highly recommend them if you need replacement windows. - 2/10/2026 
Jeremy Knoll AvatarJeremy Knoll
Angel and team did a great job installing my new windows and patio door and wow the difference in noise and heat coming in is amazing. - 2/07/2026 
Kathryn Robinson AvatarKathryn Robinson
We are very happy with our windows. We had an unfortunate rough start but the company moved quickly to solve the problem and our experience from then on was very positive. All Communication with the company was helpful and friendly. Our satisfaction was always their goal. The installers were friendly, careful, respectful and very competent. They completed the installation much faster than we expected and they left everything in perfect condition. We would definitely recommend Advanced Windows to everyone. - 2/06/2026 
McKay Roberts AvatarMcKay Roberts
Got canvased and next thing I know I was buying all new windows and sliding glass doors. We had them do a custom color to paint match some blue trim and it turned out perfectly. The sliding glass doors are also pretty slick with a cool locking feature to make sure they get shut all the way. The only hiccup was one of the windows didn’t fit upon install but they expedited getting another one made which I was really pleased with. Overall I was extremely happy with my purchase and would recommend to others. - 2/05/2026 
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Doug Woodley AvatarDoug Woodley
Advanced windows replaced 4 windows in our house. The whole window replacement took about 4 hours. The installers were very efficient and professional. I would certainly recommend Advanced Windows, and would use them again. - 2/04/2026 
Vicki Henderson AvatarVicki Henderson
We love our new windows! The process from start to finish was smooth. The crew arrived on time and finished installing 15 new windows in one day! I was very impressed. You can’t beat the lifetime warranty and the quality of the windows and installation is top notch. We were well overdue for new windows and the result is fantastic! - 2/03/2026 
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