Double-Hung Windows

Two sashes, simple operation, easy cleaning from inside. The traditional profile that works in almost any room.

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OVERVIEW / WHAT THIS PAGE COVERS

Double-hung windows have two sashes that both slide up and down. Open the upper sash to vent heat or the lower sash to bring air in. Open both for balanced airflow.

They fit just about anywhere—bedrooms, living rooms, second-story spaces. Traditional enough for older homes; neutral enough for newer builds.

Vinyl construction keeps maintenance low. Sliding-type windows generally have slightly higher air leakage than hinged styles; quality and installation still matter.

This page covers what double-hung windows are, where they fit best, comparisons to other styles, energy features, and basic operation.

Here's what you'll learn:

Definition & airflow control of two-sash design

Comparisons with single-hung, casement, and slider

Energy options and NFRC label tips

Operation, cleaning, and maintenance basics

WHAT IS A DOUBLE-HUNG WINDOW?

Both sashes move—bottom slides up, top slides down. Control where air comes in and exits. Many models include tilt-in sashes for inside cleaning (feature varies by model).

Why vinyl works: moisture-resistant, no painting, stable through freeze–thaw cycles.

WHERE DO DOUBLE-HUNG WINDOWS WORK BEST?

Bedrooms & Traditional Facades

Classic vertical lines suit colonial/farmhouse styles. Use top and bottom sashes for balanced airflow.

First-Floor Living Areas

Pair with picture windows—light from the center, ventilation from the sides. Works near furniture; no inward/outward swing.

Second-Story Locations

Tilt-in cleaning (when included) reduces ladder use for upper floors and hard-to-reach windows.

When Other Styles Might Work Better

Tight exterior clearance: sliders offer wide openings with a horizontal look. Lowest air leakage & max ventilation: hinged casements/awnings typically outperform.

HOW DO DOUBLE-HUNG WINDOWS COMPARE TO OTHER STYLES?

Double-Hung vs Single-Hung

Double-hung = better ventilation + easier cleaning; single-hung = simpler mechanism and typically lower cost.

Double-Hung vs Casement

Double-hung keeps a traditional look; casement usually seals tighter and opens fully for maximum airflow.

Double-Hung vs Slider

Both suit tight spaces. Vertical vs horizontal operation; similar air-leakage profile as sliding types.

ENERGY‑EFFICIENT FEATURES (NFRC-only)

Modern vinyl double-hung windows can include:

Double- or triple-pane glass — more layers, better insulation (triple adds weight/cost).

Low‑E coatings — reflect heat; keep interiors comfortable without darkening rooms.

Argon/Krypton gas fills — slow heat transfer between panes.

Warm‑edge spacers — reduce edge heat loss and condensation.

NFRC label tips: lower U‑factor and (where shown) lower AL = tighter/warmer; SHGC & VT depend on goals and climate.

OPERATION & CARE

Use top sash to exhaust warm air; bottom to draw in cooler air; both for cross‑ventilation.

Lock after closing for best seal.

Tilt‑in cleaning (when equipped): unlock, raise a few inches, tilt in, clean both sides; repeat for top sash.

Maintenance: brush/wipe tracks; inspect weatherstripping yearly; silicone‑based lubricant; standard cleaner or vinegar‑water for glass.

FINANCING + NEXT STEPS

Ready to replace with vinyl double‑hung windows? We’ll measure, review options, and deliver a clear estimate. Flexible payment plans available; most approvals within 24 hours.

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