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Double Hung vs Casement Windows in Joliet, Illinois — Which Is Right for Your Home

If you are replacing windows in your Joliet, Illinois, home, the choice between double hung and casement windows is likely the first decision you will face after setting your budget. These two window types account for the vast majority of residential window installations in Will County, and each has distinct advantages and disadvantages that matter differently depending on your home's architecture, your priorities, and how you use your windows day to day. Here is a detailed comparison of double hung versus casement windows, with specific attention to what works best in Joliet's climate and housing styles.

How Each Window Operates — The Fundamental Difference

Double hung windows have two sashes — upper and lower — that slide vertically within the frame. In most modern double hung windows, both sashes tilt inward for cleaning access to the exterior glass from inside the house. The sashes are counterbalanced by spring or block-and-tackle mechanisms concealed in the side jambs, so they stay in position when you open them partway rather than sliding shut under their own weight. You open a double hung window by lifting the lower sash, lowering the upper sash, or both. The amount of ventilation you get depends on how far you open the sashes.

Casement windows hinge on one side — typically the left or right — and swing outward like a door. A crank mechanism at the bottom of the window converts rotary motion into the linear motion that opens and closes the sash. When fully open, a casement window provides one hundred percent of its opening area for ventilation, because the entire sash swings clear of the opening. The crank mechanism includes a locking feature built into the operator, so the window locks securely when closed.

The operational difference matters in how you interact with the window every day. Double hung windows require a simple lift of the hand to open and close. Casement windows require you to turn a crank several full rotations. Neither is difficult, but the motion is different, and the effort is different. For a window over a kitchen sink or behind a piece of furniture, the crank operation of a casement can be easier to reach than the lift required for a double hung. For a window you open and close frequently throughout the day, the quick lift of a double hung may be more convenient than cranking.

Energy Efficiency — Which Seals Better Against Illinois Weather

The energy efficiency difference between double hung and casement windows comes down to the seal. A casement window seals by pulling the sash against a continuous weatherstrip around the entire perimeter of the frame. When the wind blows against the outside of a closed casement window, it actually presses the sash more tightly against the weatherstrip, improving the seal. This is a significant advantage in Joliet, where winter winds sweep across the flat terrain of northern Illinois and can find every gap in a window's weather barrier.

A double hung window seals by compressing weatherstrip between the sashes and the frame when the window is closed and locked. The seal depends on the lock pulling the sashes together and on the weatherstrip along the meeting rail where the upper and lower sashes meet. Wind pushing against a double hung window does not improve the seal — it tests it. A double hung window with worn weatherstripping or a lock that does not fully engage will leak air when the wind blows.

In standardized air leakage testing, casement windows typically achieve lower air infiltration rates than double hung windows of comparable quality. A well-made casement window might leak 0.05 cubic feet per minute per square foot of window area at a test pressure of 25 miles per hour, while a well-made double hung might leak 0.10 to 0.15 cfm per square foot. The difference is small in absolute terms but real over the course of an Illinois winter.

For Joliet homeowners who prioritize the tightest possible seal against winter winds, casement windows have the edge. For homeowners who prioritize the traditional look and the convenience of double hung operation, the energy penalty is modest and can be minimized by choosing a high-quality double hung window with robust weatherstripping and a strong locking mechanism.

Cleaning and Maintenance — What Each Window Type Requires

Both double hung and casement windows are designed to be cleaned from inside the house, but the cleaning process is different. Modern double hung windows tilt inward — you release the tilt latches on the top of the lower sash or the sides of the upper sash, and the sash pivots into the room on a hinge at the bottom. You can then clean both the interior and exterior glass surfaces while standing safely inside. The tilt mechanism works smoothly when the window is new but can become stiff or unreliable as the hardware ages and collects dust and grime.

Casement windows clean differently. Because the sash swings outward, you can reach through the open window to clean the exterior glass from inside the house. The crank mechanism lets you position the sash at any angle, so you can open it just enough to reach around and wipe the glass. Some casement windows have hinges that allow the sash to swing a full ninety degrees or more, giving you even better access. The cleaning reach is slightly more awkward than a tilted double hung — you are reaching around a sash rather than looking directly at the glass you are cleaning — but the task is entirely manageable for most homeowners.

Maintenance requirements differ by material more than by window type. Vinyl windows of either style require essentially no maintenance — an occasional cleaning of the tracks and a wipe-down of the weatherstripping with a silicone lubricant once a year is all they need. Wood windows require periodic painting or sealing, particularly on the exterior surfaces exposed to Joliet's rain, snow, and sun. The crank mechanism on a casement window has more moving parts than the balance system on a double hung, and those parts can wear out over time. Replacement crank operators are available for most window brands and are generally easy to install.

Ventilation Control — How Much Air and Where It Goes

The ventilation characteristics of double hung and casement windows are fundamentally different, and each suits different situations in a Joliet home. Double hung windows allow ventilation through the bottom, the top, or both. Opening the lower sash brings in cool air at floor level, which works well in summer when you want cooler air entering low. Opening the upper sash lets warm air escape at ceiling level, which creates a natural convection current — cool air in low, warm air out high — that circulates air through the room even without a breeze. Opening both sashes halfway maximizes ventilation while maintaining the window's stability.

Casement windows provide directional ventilation. Because the sash acts as a vane, you can angle it to catch prevailing breezes and direct them into the room. On Joliet's warmer days, a casement window angled into the wind will funnel a surprising amount of airflow into the house. Casement windows also provide one hundred percent of their opening area as clear ventilation space, while a double hung window provides only fifty percent — both sashes occupy part of the frame, so even when fully open, half the window area is glass.

The ventilation advantage of casement windows is most noticeable in rooms where you want maximum airflow — kitchens, bathrooms, and sunrooms. The ventilation advantage of double hung windows is most noticeable in bedrooms and living rooms, where the ability to open the top sash for quiet convection is more useful than the maximum blast of air a casement provides.

Cost Comparison for Joliet Homeowners

Double hung windows are generally less expensive than casement windows of comparable quality, size, and material. In Joliet, a standard vinyl double hung window installed runs $450 to $750, while a comparable vinyl casement runs $550 to $900. The difference — roughly $100 to $150 per window — reflects the additional hardware and more complex frame design of a casement window.

The cost difference scales with material upgrades. Wood double hung windows run $800 to $1,300 installed in Joliet, while wood casements run $900 to $1,500. The gap narrows slightly at the high end because wood window buyers are less price-sensitive and the material cost of the wood itself dominates the total. Fiberglass windows show a similar pattern: double hung at $700 to $1,100, casement at $800 to $1,300.

For a full-house replacement of twenty windows, choosing casement over double hung adds roughly $2,000 to $3,000 to the project total. Whether that premium is worth it depends on your priorities. If your primary concern is energy efficiency and you want the tightest possible seal against winter winds, the premium for casement windows may pay for itself in comfort and lower energy bills. If your primary concern is budget and you are satisfied with the thermal performance of a well-made double hung window, the savings are real.

Architectural Fit — Which Style Suits Joliet's Homes

Joliet's residential architecture spans more than a century of styles, and the right window choice depends partly on which style your home represents. Double hung windows are the historically correct choice for most of Joliet's older homes. Victorian homes in the Cathedral Area, built between 1880 and 1910, typically had double hung windows with tall, narrow proportions — often two-over-two or one-over-one lite patterns. Craftsman homes built between 1910 and 1930 also used double hung windows, often with a divided upper sash over a single-pane lower sash. In these homes, a replacement double hung window with the correct lite pattern preserves the architectural character.

Mid-century homes built in Joliet between 1950 and 1970 present a different picture. Ranch homes and split-levels from this era often used a combination of window types: large picture windows in living areas, casement windows in kitchens and bathrooms, and double hung or sliding windows in bedrooms. In these homes, there is no single correct choice. Casement windows over a kitchen sink, double hung windows in the bedrooms, and a large picture window in the living room are all period-appropriate and functionally sensible.

For Joliet's newer homes — the subdivisions built since 1990 in the western and northern parts of the city — the choice is purely functional. These homes have no historic character to preserve. Choose the window type that best serves each room's function: casement where ventilation matters most, double hung where convenience and classic appearance matter more.

Making the Final Decision for Your Joliet Home

The right window choice for your Joliet home balances energy efficiency, ventilation needs, maintenance tolerance, budget, and architectural compatibility. Double hung windows are the safe, classic choice — they work well in almost any room, they look right on most Joliet homes, and they cost less than casements. They are the most popular replacement window in Will County for good reason.

Casement windows are the performance choice — they seal tighter, ventilate better, and offer unobstructed views when closed because there is no center meeting rail dividing the glass. They cost more and require slightly different habits to operate and clean, but for many Joliet homeowners, the performance advantages justify the premium.

Many Joliet homes benefit from using both types strategically. Casement windows in the kitchen, where the crank operation works well above the counter and the directional ventilation helps exhaust cooking heat and odors. Double hung windows in the bedrooms and living areas, where the classic look and easy operation suit the daily rhythm of opening and closing windows as the weather changes.

Call us for help choosing between double hung and casement windows for your Joliet, Shorewood, Plainfield, or Crest Hill home. We will assess your home's architecture, your priorities, and your budget, and recommend the window types that make the most sense for each room.