Window type guide for Chicagoland homes

Window Types We Install in Naperville and Chicagoland

Compare single-hung, double-hung, casement, awning, sliding, picture, bay, bow, garden, and basement window options before choosing the style, material, and glass package for your home.

Virtual consultation

RoomLight, privacy, ventilation, and cleaning
StyleHow the window opens and shapes the room
PackageFrame material, glass, and performance labels
ScopeReplacement, installation, or changed openings

Start with the room

Choose The Window Type Around The Opening

Different window types solve different problems. A casement can help a room that needs ventilation. A picture window can protect a view. A double-hung may fit where familiar operation and exterior proportion matter.

The useful starting pointThe right choice starts with how the room is used, what the opening can support, and how the exterior will look once the trim and siding details are finished. Style, material, glass, and installation method should be compared together before a product is ordered.

Four decisions

Keep The Decisions Separate

TypeHow the window opens, cleans, ventilates, and changes the room.
MaterialHow the frame looks, insulates, accepts color, and handles maintenance.
GlassHow the unit manages heat loss, sunlight, condensation clues, and daylight.
MethodWhether the existing frame stays, comes out, or the opening changes.

Room by room

Match The Window To How The Room Is Used

Most homeowners do not start with a product name. They start with a room that is too dark, hard to air out, difficult to clean, exposed to weather, or out of balance from the curb.

Bedrooms

Familiar Operation

Double-hung or single-hung windows often work where ventilation, privacy, upper-floor cleaning, and traditional exterior proportions matter.

Kitchens

Reach And Airflow

Casement, awning, or garden windows can make sense around counters, cabinets, sink views, and rooms that need controlled ventilation.

Living rooms

View And Shape

Picture, bay, bow, or combination windows can bring more daylight into larger rooms while giving the elevation a stronger focal point.

Bathrooms

Privacy And Venting

Awning windows, smaller casements, higher placements, or privacy glass can help balance airflow with sightlines from outside.

Basements

Clearance And Use

Hopper and egress planning depends on lower-level ventilation, finished-space needs, local requirements, and the condition of the wall opening.

Wide openings

Horizontal Lines

Sliding windows can fit wider wall spans where vertical sash movement is not ideal and the room benefits from clean horizontal sightlines.

High-quality, energy-efficient windows in your home. Call for more information: 888-676-6725

Operating styles

Compare Window Types At A Glance

This table is the fast-scan layer. Use it to see how each style behaves before narrowing the material, glass package, and installation method.

Window type	How it opens	Good fit when	Watch before choosing
Single-hung	Bottom sash moves up	Bedrooms, baths, smaller rooms, simple replacement plans	Less ventilation flexibility than double-hung
Double-hung	Both sashes move vertically	Traditional elevations, upper floors, familiar operation	Grille pattern and frame profile affect the exterior look
Casement	Side-hinged sash cranks outward	Kitchens, exposed rooms, strong ventilation, tighter operating seal needs	Exterior clearance, screens, and hardware placement matter
Awning	Top-hinged sash opens outward	Bathrooms, basements, higher wall placements, paired units	Confirm exterior clearance and water-management details
Sliding	Sashes glide side to side	Wide horizontal openings and clean sightlines	Track quality, drainage, and cleaning access are worth reviewing
Picture	Fixed glass does not open	Views, daylight, large glass areas, combination layouts	Add operable units nearby if the room needs ventilation
Bay	Projected three-panel unit	Living rooms, dining rooms, feature walls, usable interior ledge space	Roof, support, trim, and siding transitions change the scope
Bow	Four or more joined panels	Softer curved projection and a wider glass feature	Projection depth and exterior finish work need planning
Garden	Boxed projecting window	Kitchens, plants, display shelves, extra light	Exterior clearance and water-management details are important
Hopper or egress	Lower-level styles vary by need	Basements, lower-level ventilation, finished-space planning	Clearance, opening size, and local requirements need review

Style paths

Window Types To Compare With Opal

Each style has a different job. The useful comparison is the window type that fits the room, opening, exterior, and project scope.

Single-Hung Windows

The top sash stays fixed while the bottom sash opens. This can be a simple fit for smaller rooms, bedrooms, baths, and straightforward replacement plans.

Simple operationSmaller rooms

Double-Hung Windows

Both sashes move vertically. This familiar style often fits traditional homes, upper floors, and openings where cleaning access matters.

Top or bottom ventingTraditional elevations

Awning Windows

A top-hinged sash opens outward. Awning windows can help in bathrooms, basements, and higher wall placements where privacy and airflow both matter.

Higher placementVentilation

Casement Windows

A side-hinged sash cranks outward. Casements can suit kitchens, exposed elevations, and rooms where the homeowner wants strong ventilation.

Crank operationAir seal discussion

Sliding Windows

Horizontal sashes glide side to side. Sliding windows fit wider openings, modern sightlines, and rooms where vertical operation is not the best match.

Wide openingsHorizontal lines

Picture Windows

Fixed glass creates more light and a cleaner view. Because it does not open, it should be paired with another ventilation plan when the room needs fresh air.

ViewsDaylight

Bay Windows

A three-panel projection adds light, dimension, and interior ledge space. The surrounding roof, trim, and siding details matter as much as the window unit.

ProjectionFeature wall

Bow Windows

Four or more joined panels create a softer curve and a wider glass feature. Bow windows need careful planning around projection depth and exterior finish work.

Curved lookLarge glass area

Garden Windows

A boxed projection can create a small shelf for plants, herbs, or display. It is strongest when the kitchen layout and exterior clearance both support it.

Kitchen lightDisplay shelf

Frame and glass package

Choose The Type And Material Together

A window style explains how the unit works. Material and glass explain how it feels over time, how much frame you see, what colors are possible, and how the unit handles Chicagoland weather exposure.

Material	Where it can make sense	What to compare	Next page
Vinyl	Straightforward replacement planning, low-maintenance needs, and budget-sensitive openings	Frame profile, color range, glass package, and installation method	Vinyl windows
Fiberglass	Projects where frame strength, thinner sightlines, and stable dimensions are part of the conversation	Profile, finish options, glass performance, and total installed scope	Fiberglass windows
Wood	Homes where interior finish, detail, and architectural character are important	Interior finish, exterior cladding, maintenance expectations, and trim relationships	Wood windows
Composite	Homeowners comparing durability, frame profile, and maintenance with a different material mix	Color, construction, glass options, warranty terms, and current product availability	Composite windows

Confirm current product availability, glass options, color choices, and warranty terms during the consultation. Those details can change by manufacturer, product line, and project scope.

Performance labels

Read The Window Label Before The Slogan

For homes around Naperville and the Chicago suburbs, window comfort is tied to cold-season heat loss, summer sun, air movement around the opening, and the way the unit is installed. The NFRC label gives you a better comparison point than a broad efficiency claim.

What Opal should help sort outThe glass package should be matched to the room. A sunny living room, shaded bedroom, bathroom, basement, and street-facing window may not need the exact same balance of insulation, daylight, privacy, and sound control.

Labels To Compare

Label value	What it tells you	Why it matters
U-factor	How well the window helps resist heat loss	Important for cold-weather comfort and glass-package comparison
SHGC	How much solar heat passes through the glass	Useful when comparing sunny rooms, shade, and exposure
Visible transmittance	How much daylight passes through the glass	Helps balance brightness with privacy and solar control
Air leakage	How much air passes around the tested window unit	Pairs with installation quality when drafts are a concern
Condensation resistance	How the product compares for condensation potential	Can help frame the comfort discussion in humid or cold conditions

Project path

Replacement, Installation, Or A Changed Opening

The window type is only useful once the scope is clear. Keeping an existing opening, rebuilding the frame, changing the size, or adding a new opening can change the product conversation.

Existing opening

Start With Replacement

Use this path when the window is aging, drafty, difficult to operate, or ready for an upgrade in the same opening.

Changed opening

Start With Installation

Use this path when the opening is new, resized, damaged, or part of a remodel where surrounding materials are changing.

Style selected

Compare Materials

Once the operating style is clear, compare frame material, profile, finish, maintenance, and glass package.

Still deciding

Use The Site Review

A project consultant can compare room use, opening condition, exterior details, and product fit before you choose.

Brand conversation

Compare Brands After The Fit Is Clear

Brand is easier to compare after the room, operating style, material, glass, and installation method are defined. Then the conversation can focus on profile, color, hardware, finish, and current product availability.

Andersen Windows

Use this route to compare Andersen options connected to Opal window planning.

Kolbe Windows

Use this route when design flexibility, custom detail, and higher-detail window planning are part of the project.

Current Lineup

Confirm product availability, glass choices, color options, and fit during the consultation before the final package is selected.

Visual examples

See How Common Styles Feel In A Room

Photos help connect the operating style to the room experience. Use them as a starting point, then compare actual product sizes, grille patterns, color, and trim details during the quote process.

Single-Hung

A simple vertical style for smaller rooms and straightforward replacement planning.

Double-Hung

A familiar style for bedrooms, upper floors, and traditional exterior proportions.

Awning

A useful option for higher placements, privacy needs, and controlled ventilation.

Casement

A crank-out style that can support ventilation in kitchens and exposed rooms.

Picture

Fixed glass for daylight, views, and combination layouts where venting comes from nearby units.

Feature Windows

Bay, bow, and larger combinations should be planned around structure, trim, siding, and the room layout.

Local planning

Window Style Help For Naperville And Nearby Suburbs

Chicago-suburb homes can have very different window needs from room to room. Older trim, brick or siding transitions, sun exposure, wind-driven rain, and lower-level openings can all change what the best window type looks like in practice.

Service-area routingUse the local pages below when the property needs a city-specific next step. Use the full service-area directory when the project is outside these listed routes.

High-quality, energy-efficient windows in your home

Call For More Information (888) 676-OPAL

Naperville Des Plaines Wheaton Glen Ellyn St. Charles All service areas

Keep comparing

Move From Style Research Into Project Planning

These routes help homeowners move from window style into scope, warranty questions, and installation method without turning the style page into a product maze.

Replacement Planning

Use this route when the old windows are staying in the same openings and the main question is scope, product, and condition.

Warranty Questions

Review warranty and installer questions before final product selection so the quote conversation is easier to compare.

Installation Planning

Use installation guidance when an opening is new, resized, damaged, or tied to other exterior work.

Window type FAQs

Questions Homeowners Ask Before Choosing A Style

These answers are meant to narrow the decision before an in-home review confirms measurements, frame condition, and the right installation path.

What are the main types of replacement windows?

The main operating styles include single-hung, double-hung, casement, awning, sliding, picture, bay, bow, garden, hopper, and egress windows. The right choice depends on the room, the opening, ventilation needs, view, cleaning access, and exterior proportions.

Which window type is most common for Naperville homes?

Double-hung windows are a familiar fit for many traditional Naperville homes because they work with common exterior proportions, ventilate from the top or bottom, and can be easier to match across several openings.

Are casement windows better than double-hung windows?

Casement windows can be a good choice where ventilation and air sealing matter. Double-hung windows may be a better fit when the home needs a familiar vertical style, easier matching across elevations, or tilt-in cleaning.

Which window type gives the most daylight?

Picture windows, bay windows, bow windows, and larger fixed or combination units usually bring in more daylight because they prioritize glass area. Ventilation, privacy, and exterior balance still need to be checked.

What is the difference between bay and bow windows?

A bay window usually uses three panels and projects outward with a more angular shape. A bow window uses four or more joined panels for a softer curve and a wider glass feature.

Should I choose the window type before the material?

Choose them together. The window type controls operation, view, cleaning, and room fit. The material affects frame profile, maintenance, color choices, insulation, and the finished exterior look.

Do basement windows need egress planning?

Lower-level windows may need egress planning when the basement is finished or used as living space. The consultation should confirm clearance, opening size, local requirements, and how the window will be installed.

Does this page replace a window consultation?

No. It helps narrow the decision. A site review confirms measurements, frame condition, installation method, glass package, product availability, and the work needed around the opening.

Plan the next step

Compare Window Types With The House In Front Of You

Tell Opal which rooms you are considering and what is not working now. The consultation can compare style, material, glass, and installation method before you choose the final package.

Serving most Chicago Suburbs