Casement Window Installation in St. Louis

Looking for windows that bring in fresh air and keep energy costs down? Casement windows are a smart, efficient choice. We install casements that crank open to catch the breeze and lock tight with a weather‑resistant seal—great for Missouri’s hot summers and cold winters. They’re also easy to operate in hard‑to‑reach spots (like over the kitchen sink) and provide excellent ventilation. We source multiple brands—including Sunrise and Polaris—so you can compare styles, glass packages (including Low‑E and ENERGY STAR options), and pricing to fit your home and budget. Want to browse more options? See all windows & doors.

What to expect with Viviano

• Friendly, no‑pressure guidance and a clear, written quote
• Precise measuring and professional installation
• Options from multiple brands so you get the right fit—not a one‑size‑fits‑all pitch

Ready to get started?

• Request a Free, No‑Pressure Quote
• Or call us at 314‑353‑8350

Get My Free Quote
See Current Specials

Visit our showroom to see casements in person and compare finishes and hardware:

Why homeowners choose Viviano Window & Door

• Family‑owned and operated in St. Louis for 28+ years
• Multiple brands recommended to match your needs
• No one‑call‑close or commissioned‑style selling
• Value‑focused pricing at the Intersection of Price and Quality®

Meet our local team and story: About Us

Not sure if casements fit your space? They’re side‑hinged windows that open with a crank, direct airflow into your room, and seal tightly when closed. We’ll help you compare casements to double‑hung or sliders so you can choose with confidence.

What Is a Casement Window?

A casement is a side‑hinged window with one sash that swings open, most often outward, using a fold‑away crank or a push‑out handle with friction hinges. When closed, the sash compresses into a continuous weather seal and locks at multiple points for smooth operation and a tight, energy‑saving closure. If you want abundant fresh air with a clean, modern look, a casement is a smart, efficient choice.

Key details to know

• Handing and breezes: Handedness is named by the hinge side as viewed from inside (left‑hand or right‑hand). To pull in airflow, pick the orientation so the open edge faces the prevailing breeze. If wind usually comes from the left, a right‑hand unit opens toward it and scoops air inside. Not sure which way to go? We’ll confirm the best handing during your free, no‑pressure consultation.
• Full‑sash ventilation and screens: The sash clears the frame top to bottom for maximum ventilation, more open area than a similar double‑hung. Because the sash swings out, the insect screen mounts on the interior for easy removal and cleaning. Ask about screen options—from standard to low‑visibility mesh—you can see them in our showroom.
• Clear views: One large pane with no center meeting rail gives you wide views and excellent daylight. Great for kitchens, living rooms, and anywhere you want an unobstructed view.
• Egress and French casements: Casements often meet bedroom egress needs thanks to their wide opening. For maximum clear space, a French casement (two side‑hinged sashes that meet in the middle with no center post) creates an extra‑wide exit while keeping a classic look. We’ll help verify local code requirements so you’re confident your window will pass inspection.
• Out‑swing vs. in‑swing: Out‑swing is standard in most U.S. homes for better weather performance and interior screens. In‑swing options exist for specific design needs. Screen solutions differ, so we’ll help you choose the right setup at your home or in our showroom.

How casements compare to similar styles

• Awning windows are top‑hinged and tilt outward from the bottom. They vent during light rain and suit higher wall placements. Quick comparison: Casement vs. Awning vs. Hopper
• Hopper windows are bottom‑hinged and tilt inward from the top, often used in basements or small openings where inward operation is preferred. For more on below‑grade choices, see best replacement options for basement windows.

With their tight seal, strong ventilation, and clear views, casements suit St. Louis’s four‑season climate—catch summer breezes, lock out winter drafts, and enjoy year‑round efficiency. Have questions or want pricing? Call 314‑353‑8350 or request a quick, no‑pressure quote at viviano-inc.com/free-quote/.

Why Casement Windows Work Well in St. Louis Homes

St. Louis weather swings from hot and humid to windy and cold. Casements open wide for fresh air, then seal tightly when you want to keep conditioned air in and weather out. If you’re weighing options for your home, a quick chat with our no‑pressure team can help you decide what fits your rooms, budget, and goals.

• Excellent ventilation and cross‑breezes: The sash can open up to 90 degrees and works like a scoop to catch breezes, great after summer showers. The easy‑reach crank is handy over sinks and in bathrooms, and the interior screen keeps bugs out. Stop by our Shrewsbury showroom to try the crank action in person.
• Tight, energy‑saving seal: Compression weatherstripping on all four sides helps limit air infiltration better than many sliding or double‑hung styles. Pair Low‑E glass with argon gas to reduce heat gain and loss year‑round—ask us which glass package makes the most sense for your home and budget.
• Bigger views, more daylight: A single sash with no center meeting rail gives you a larger glass area and slimmer profiles to brighten rooms. We’ll size and style‑match to your home so you get the view you want without compromising performance.
• Secure and easy to operate: Multi‑point locks secure the frame at several spots. Corrosion‑resistant hinges and nesting cranks keep operation smooth. Want to feel the hardware quality? Visit our showroom for a hands‑on look.
• Quieter indoors: Options like laminated glass or insulated glass with dissimilar pane thicknesses help cut traffic and neighborhood noise. Learn more: Do Replacement Windows Reduce Outside Noise?

Next, see styles and configurations so you can picture how casements will work in your home. When you’re ready, get a free, no‑pressure quote at viviano-inc.com/free-quote/ or call 314‑353‑8350. You can also visit our showroom at 7530 Watson Rd, Shrewsbury, MO (Mon–Fri, 8:00–4:00) to compare options side by side.

Styles, Configurations, and Placement Ideas

Casement windows fit many rooms and home styles. We’ll help you configure them for function and curb appeal—plus talk through airflow, cleaning access, egress, and budget during a quick, no‑pressure consult.

Popular configurations

• Single casement: Clean look with maximum glass. Great for narrow openings or paired with a fixed picture window. Ask us to price both single and single‑plus‑picture so you can compare value.
• Twins or mulled sets: Two or more casements mulled together for balanced sightlines and flexible airflow. Common over longer counters or wider walls. We can mix operable and fixed units to meet your budget and ventilation goals.
• French casement (no center mullion): Two sashes that open from the center for an unobstructed view and a larger clear opening that can help with bedroom egress when properly sized. We verify local code on your project and confirm egress at measurement.

Operation options

• Outswing (standard): Seals tightly against weather, saves interior space for shades and decor, and keeps the screen inside for easy cleaning. Great everyday choice in St. Louis weather.
• Inswing: Available in select lines when exterior obstructions, historic rules, or maintenance needs call for indoor‑access glass cleaning. We’ll confirm availability by brand and opening size.
• Push‑out: Handle‑operated option (no crank) that suits traditional or historic looks with controlled ventilation. Perfect when you want authentic style with modern performance.

Bay, bow, and combination setups

Casements make excellent flankers around a center picture window to bring fresh air and big views to living rooms, dining rooms, and nooks. We’ll sketch a few layouts and price them side‑by‑side so you can pick your favorite. Ideas: Bay & Bow

Design details to match your home

• Grids or muntins: From Colonial to Prairie, or no grids for a modern look. We’ll bring samples so you can see them against your trim.
• Decorative or obscure glass: Add privacy or texture, popular in bathrooms and street‑facing rooms. Options: Decorative Window Options. For a broader overview, see replacement window glass options explained.
• Colors: Interior and exterior colors to complement siding, brick, or trim, including modern darks. Color system: Color System
• Hardware and finishes: Cranks, locks, and hinges in matte black, satin nickel, oil‑rubbed bronze, and more. Finishes: Finishes

Where casements shine

• Kitchens: Easy crank over sinks or counters, great cross‑breeze.
• Bathrooms: Quick steam relief with privacy glass options.
• Bedrooms: When sized correctly, can meet egress while maximizing light.
• Picture‑window companions: Large fixed center lite for views with operable casements on the sides for airflow.

Not sure which setup fits your space? Let us measure, show color and hardware samples, and give you a few clear price options—no high‑pressure tactics. Call 314‑353‑8350 or request a free, no‑obligation estimate at viviano-inc.com/free-quote/.

Materials and Brands We Offer (Right Product, Right Budget)

Picking the right frame material is where The Intersection of Price and Quality® pays off. As a dealer, not a one‑brand outfit, we compare manufacturers and recommend the casement that matches your home, climate, style, and budget. Not sure where to start? We’ll line up side‑by‑side options and price them both ways during a quick, no‑pressure consult. Call 314‑353‑8350 or stop by our Shrewsbury showroom at 7530 Watson Rd. You can also explore our products online.

Material overview at a glance

• Vinyl: Our most popular value choice. Welded frames and Low‑E glass deliver strong efficiency at a friendly price. Little maintenance beyond cleaning. Today’s premium vinyl resists fading and warping. For very dark exteriors, we suggest color‑stable capstock or laminates. Best overall value for most St. Louis homes. Looking for easy upkeep? See low‑maintenance window materials.
• Composite: Fiber‑reinforced or wood‑polymer blends with excellent strength and thermal stability, often with slimmer profiles than standard vinyl. Handles dark colors and temperature swings with minimal movement. Low maintenance. Typically mid to upper price tier.
• Fiberglass: Pultruded fiberglass is very rigid, ideal for larger sizes and thin sightlines. Paintable, durable in freeze‑thaw cycles, and low maintenance. Often priced alongside or just above composites.
• Wood‑clad: Stainable wood inside with an aluminum or fiberglass exterior. Great for historic or high‑design projects. Highest aesthetic flexibility, higher initial cost, and some interior upkeep. Considering this route? Are wood‑clad windows worth it?

Brands we source (examples) and when we suggest them

• Sunrise: Premium vinyl casements with narrow sightlines, strong finish options, and excellent efficiency. Good when you want a sleek look without moving to composite or fiberglass pricing.
• Polaris: Strong value with robust thermal packages and dependable hardware. Ideal for budget‑minded upgrades that still prioritize efficiency and longevity.

Because we are not tied to a single manufacturer, we look at your budget, color, frame thickness, opening size, and lead times, then pull the best‑fit line, whether that’s value vinyl, a color‑stable composite, or a large‑format fiberglass unit. Tell us what matters most—price, color, or speed—and we’ll tailor the shortlist and quote it both ways. Ready for options? Request a free, no‑pressure quote or call 314‑353‑8350.

Helpful deep dives from our team

• Composite Windows vs. Vinyl, Fiberglass, and Wood
• Best Low‑Maintenance Window Materials
• Which Window Frame Material Lasts the Longest?

Made in the USA and local manufacturing

Many of the lines we recommend are built in the U.S. If buying American‑made is a priority, let us know and we’ll focus your options there.

• Are the windows made in the USA?
• Who manufactures the replacement windows installed locally?

Ask about current promotions and lead times—call for details.

Energy Performance and Glass Packages

Casements already resist drafts thanks to their compression seal. Match that closure with the right coatings, gas fills, and spacers to improve comfort and bills in hot summers and cold winters. Not sure which glass is right for your home? We’ll walk you through options during a quick, no‑pressure visit and price out the best matches side‑by‑side. For a plain‑English overview, see replacement window glass options explained.

What goes into an efficient casement

• Low‑E coatings: Microscopically thin metal layers reflect heat while allowing daylight. We’ll match coatings to your home’s orientation and goals, with more solar control for west/south and more daylight for north/east. Basics: What is Low‑E glass?
• Argon or krypton gas: Inert gas between panes slows heat transfer. Argon is the best value for most double‑pane units. Krypton shines in triple‑pane or narrow cavities. Comparison: Argon vs. Krypton
• Warm‑edge spacers: Non‑metal or hybrid spacers reduce edge condensation, improve durability, and boost efficiency.

How to read the ratings (included on every quote)

• U‑factor (heat loss): Lower is better for winter comfort.
• SHGC (solar heat gain): Lower reduces summer heat. We tailor by elevation and shading.
• Visible Transmittance (VT): Higher means more daylight.
• Air Infiltration (AI): Lower means fewer drafts. Casements typically test very low because of their compression seal.

NFRC ratings refresher: What is the NFRC rating?

Typical performance tiers we offer

Actual specs vary by brand and options. Your written proposal will show the exact NFRC‑certified values for each line item. Tell us your priorities—lowest upfront cost, maximum efficiency, or a smart middle ground—and we’ll price each tier so you can choose confidently.

• Value (double‑pane, Low‑E, argon, warm‑edge spacer)
  • U‑factor: about 0.27–0.30
  • SHGC: about 0.23–0.30 (fine‑tuned by orientation)
  • VT: about 0.45–0.55
  • AI: typically ≤0.05 cfm/ft²
  • Balanced efficiency at the lowest upfront cost
• Enhanced (double‑pane, advanced Low‑E stack, argon, premium spacer/frame upgrades)
  • U‑factor: about 0.24–0.27
  • SHGC: about 0.20–0.28
  • VT: about 0.40–0.50
  • AI: often ≤0.04 cfm/ft²
  • Stronger summer solar control and improved winter performance
• Premium (triple‑pane, Low‑E, argon or krypton mix, warm‑edge spacer)
  • U‑factor: about 0.18–0.22
  • SHGC: about 0.18–0.25
  • VT: about 0.35–0.45
  • AI: often ≤0.03 cfm/ft²
  • Maximum comfort, condensation resistance, and noise reduction

Double‑ vs. triple‑pane: Which should you choose?

ENERGY STAR and UV protection

• ENERGY STAR: We offer glass packages that meet or exceed ENERGY STAR for our region and confirm eligibility on your quote and label. Context: Are replacement windows ENERGY STAR approved?
• UV fading: Modern Low‑E cuts UV that fades floors, furniture, and fabrics. More: How new windows help protect floors and furniture

Our value promise: We match performance to your home and budget, recommend the most cost‑effective glass package that meets your goals, and publish the actual U‑factor, SHGC, VT, and AI on your proposal. Ready to see your options and pricing? Call 314‑353‑8350 or request a free, no‑pressure quote. You can also stop by our Shrewsbury showroom at 7530 Watson Rd, Mon–Fri, 8:00–4:00.

How We Install Casement Windows (No Shortcuts)

Every home and opening is different. We choose the installation method based on your goals, wall construction, and the condition of your existing frame. During a free, no‑pressure in‑home consultation, we’ll inspect the frame, exterior, and interior trim and show you clear, line‑item pricing for each approach. Have us take a look: call 314‑353‑8350 (Mon–Fri, 8–4) or request a free quote at viviano-inc.com/free-quote/.

Insert (pocket) vs. full‑frame

• Insert (pocket) replacement: We keep your existing frame and interior/exterior trim, set a new casement into it, and insulate and seal the gap. Ideal when the current frame is square, solid, and leak‑free, common in brick homes. Faster, less disruptive, and usually costs less, with a slight reduction in visible glass. We’ll confirm with square/level checks and moisture readings, and show you the expected glass loss on your exact opening before you decide. When pocket installs make sense: Full‑Frame vs. Insert
• Full‑frame replacement: We remove the old frame to the rough opening, repair any rot or water damage, and rebuild with new jambs, sill, insulation, flashing, and trim. Choose this for a fresh start, damage repair, size or style changes, or restored water management. We’ll review trim options and the restoration plan so you know exactly what’s included. Details: Full‑Frame vs. Insert

Water management that lasts

• Sill protection: Sloped sill prep with a formed or site‑built sill pan and back dam to move incidental water out, not in.
• Flashing integration: Shingle‑lapped flashing tape at sill, jambs, and head, head flashing or drip cap when needed, and tie‑in with your home’s WRB.
• Correct sealants and foam: ASTM‑rated sealants, backer rod for proper joint design, and low‑expansion foam that won’t distort frames, while keeping weeps clear.

These are the “invisible” details that prevent callbacks and protect your home through Missouri freeze‑thaw cycles. Ask us to walk you through our flashing sequence at your estimate. How we prevent leaks: Leak prevention

Lead‑safe practices for pre‑1978 homes

If your home was built before 1978, we follow EPA Lead‑Safe RRP protocols. We contain the work area, use wet methods, HEPA vacuum, and document compliance. We price these steps up front so there are no surprises.

• Lead‑paint regulations
• What homeowners need to know

Masonry and stucco expertise

• Brick or stone: We typically do not remove masonry. We free the old frame, protect the veneer, anchor the new unit correctly, and finish with backer rod and sealant for a durable, flexible joint. Learn more: Replacing in masonry
• Stucco: Openings get specific treatment for lath, WRB tie‑ins, and crack control so the new window doesn’t create water paths. Why it matters: Stucco/masonry treatment

Brick or stucco home? Share a few photos or schedule a quick site visit so we can recommend the right detailing: Contact us.

Interior protection and trim care

We protect floors and furnishings, set dust containment, and review trim plans up front. Insert installs usually preserve existing trim. Full‑frame projects may include new interior and exterior trim as specified. Prefer new casing, matching stain/paint, or custom profiles? We can include trim packages as line items. Expect a clean work area and debris haul‑away.

• Will there be trim or drywall impact? What to expect: Trim/Drywall impact
• Inside or outside install? It depends on your home and method: Install location

Trained, insured crews

Your project is completed by trained installers with active insurance and workers’ compensation.

• Installer qualifications
• Workers’ comp coverage
• Subcontracting policy

After install, we verify operation (including multi‑point locks), weather‑seal continuity, smooth crank action, and cleanup, then review care and maintenance. We can also help with warranty registration where applicable. Want timing specifics? See contract‑to‑install timing and installation day length.

Ready to compare insert vs. full‑frame on your home—without the sales pressure? Call 314‑353‑8350 or book your free estimate.

Codes, Safety Glass, and Sizing

Getting code and sizing right keeps your project on schedule and ensures safety and compliance—and our St. Louis team handles the measurements, code checks, and documentation so you don’t have to guess.

Safety glass (tempered or laminated)

• Common locations: in or near doors, around tubs or showers, at stairways and landings, near floors where large glass is within reach, or anywhere higher breakage risk exists. Local rules set specific distances and sizes. We confirm locations during your free in‑home measure and, when needed, with the local authority having jurisdiction.
• Learn more:
  • When do codes require tempered windows?
  • What is tempered glass?

In some cases, laminated safety glass is an accepted alternative. We’ll price both options and advise based on your opening, budget, and code.

Bedroom egress basics

• Replacement bedroom windows typically must open from the inside without keys, tools, or special knowledge.
• They must provide a minimum net clear opening, meet minimum height and width, and keep the sill below the maximum height set by the locally adopted code.
• Casements are a strong egress choice because they open wide. French casements can maximize clear opening in tighter rough openings.

We size, hinge, and hardware your window to meet St. Louis‑area requirements and verify with local officials before ordering. Older home with unique openings? See custom‑size replacement windows for older homes.

Maximum sizes and structural limits

• Manufacturers set width and height limits for operable casements based on frame, hardware, glass weight, and wind load.
• We review size charts with you, suggest a fixed panel with flanking casements when needed, and confirm structural needs before finalizing your order.
• Size constraints overview: Maximum window size

HOA approvals and permits

• If you need HOA approval or a building permit, we help with submittals, specs, color samples, drawings, and coordination with the municipality. Details: HOA and permits

Enlarging an opening or adding a new window

• Structural planning may be required (headers, load paths), plus moisture management and utility checks. Masonry or stucco adds steps.
• Start here:
  • Structural planning
  • Make a window bigger
  • Add a new window

Next, let’s align your project with budget ranges, financing, and any current specials. Request your free in‑home measure at viviano-inc.com/free-quote/, call 314‑353‑8350, or visit our showroom at 7530 Watson Rd, Shrewsbury, MO (Mon–Fri, 8–4). See financing and promos: Financing and Specials.

Pricing, Financing, and Value

We keep pricing straightforward and fair. Final cost depends on a few details we’ll review during a free, no‑pressure visit. You’ll get an itemized proposal with clear good‑better‑best options so you can choose the sweet spot between price and performance—true to our “Intersection of Price and Quality” approach.

What drives price

• Window size and configuration
• Frame material
• Glass package
• Finish and color
• Installation method
• Repair carpentry
• Lead‑safe steps (pre‑1978 homes)
• Access conditions and exterior materials (masonry/stucco)

A few real‑world scenarios

• Value or entry tier: Standard‑size vinyl casement, insert install into a sound frame, double‑pane Low‑E with argon, white in and out, standard hardware.
• Mid tier: Larger vinyl or fiberglass twin casement, insert install, upgraded Low‑E with warm‑edge spacer, exterior color, interior woodgrain, and simulated divided lites.
• Premium tier: Full‑frame in composite or wood‑clad, new interior and exterior trim, possible sill or brickmould replacement, tempered glass near tubs or doors, triple‑pane or enhanced Low‑E with argon or krypton, custom finishes, and challenging access.

Because every home is different, we don’t post exact numbers online. For helpful context in St. Louis, see: How much does window replacement cost? During your visit, we’ll measure, walk through options, and highlight where you can save without sacrificing performance. Ask about bundle pricing for multiple windows or pairing a casement with a picture window.

Ways to pay and financing

• Payment methods: Payment and financing and How do I pay?
• Financing: Options are available for qualified buyers. Learn more and apply: Financing options

Promos and specials

• Current offers: Specials
• Call 314‑353‑8350 for full details.

View Specials
Get My Free Quote

Ready for clear, itemized pricing with no commissioned‑style pressure? Call 314‑353‑8350 or request your free quote at viviano-inc.com/free-quote/. Prefer in person? Visit our showroom at 7530 Watson Rd to see options in person.

Our Low‑Pressure Process

Buying windows shouldn’t feel like a sales pitch. We’re a family‑owned St. Louis dealer and consultant, and we keep projects straightforward—on your timeline. Have questions now? Call 314‑353‑8350 Mon–Fri, 8–4, or request a free quote.

1. No‑pressure consult and free estimate. We listen to your goals for ventilation, efficiency, and style, answer questions, and provide a clear written quote you can review when you’re ready. Prefer in person? Stop by our showroom at 7530 Watson Rd. Learn more about our approach: Free estimates and What happens during an estimate.
2. Options, not a single‑brand push. We compare materials, glass, and hardware to fit your home, budget, and Missouri’s climate—no one‑call‑close tactics, just facts and side‑by‑side choices.
3. Precise measurements before ordering. After approval, we take exact site measurements and confirm installation details so your casements fit and perform as intended. Why it matters: Accurate measurements and what happens if windows are ordered the wrong size.
4. Clear timeline and scheduling. We communicate lead times by season and product, then schedule installation to suit you—and keep you updated. Typical timing: contract to install and installation day length.
5. Year‑round installs with smart winter practices. We limit open time and work one opening at a time to minimize heat loss. Winter tips: Winter replacement and Best time of year.
6. Simple prep and day‑of expectations. We’ll tell you what to move ahead of time and what our crew will handle. Prep checklists: Home prep, Interior access, and Blinds, curtains, and furniture.
7. Post‑install walkthrough, cleanup, and haul‑away. We show you how to operate and care for your new casements and answer questions on screens, locks, and cleaning. Details: Operation demo and Old windows disposal. Warranty info: Window warranties.

Next, see local casement projects to spark ideas—then call 314‑353‑8350 or request your free quote to get your no‑pressure estimate on the calendar.

Local Casement Install Gallery

See how casements look in real St. Louis homes—installed by our local, no‑pressure team. Expect open ventilation, clean sightlines, and tight‑sealing frames that suit kitchens, baths, bedrooms, and bay/bow combos. Use the descriptions to compare materials, colors, and glass packages—and picture what will work best in your home.

• Kitchen over‑sink (Before/After)
  • Alt text, Before: “Before: older slider over kitchen sink with clear single‑pane glass, St. Louis area.”
  • Alt text, After: “After: twin vinyl casement windows, white interior/white exterior, dual‑pane Low‑E with argon; easy‑reach crank over sink, Shrewsbury, MO.”
  • Caption: Twin white vinyl casements bring in cross‑breezes and clearer views at the kitchen sink, upgraded to Low‑E/argon glass for year‑round efficiency. Considering a kitchen update? Ask about easy‑reach crank handles for over‑sink openings.
• Bathroom privacy upgrade (Before/After)
  • Alt text, Before: “Before: small fixed bathroom window with clear glass, limited ventilation.”
  • Alt text, After: “After: outswing vinyl casement window, white interior/bronze exterior, tempered privacy Low‑E glass; corrosion‑resistant hardware.”
  • Caption: Fresh air with privacy—tempered privacy Low‑E glass and a tight‑sealing casement in a two‑tone finish. Great for moisture‑heavy rooms where ventilation matters.
• Bedroom comfort and egress (Before/After)
  • Alt text, Before: “Before: aging double‑hung in bedroom, drafty sash.”
  • Alt text, After: “After: French (pair) casement configuration, white interior/tan exterior vinyl, dual‑pane Low‑E with argon; larger clear opening for egress when properly sized.”
  • Caption: A French casement pair delivers bigger views and easy operation, with a glass package tuned for comfort and code‑minded egress sizing when applicable. We’ll confirm measurements and code details during your free consult.
• Living room bay with flank casements (Before/After)
  • Alt text, Before: “Before: picture window with failing seals in living room.”
  • Alt text, After: “After: 3‑lite bay, center picture with side casements, black exterior/white interior, Low‑E/argon; insulated seat board.”
  • Caption: A bay with operating casements for airflow, two‑tone finish, and an efficient glass package. Ask about insulated seat boards and interior trim options to finish the look.

Browse more local projects: Galleries, Main Gallery, and Our Work.

View Our Work
Get My Free Quote

Next, hear from local homeowners and see the coverage behind our work:
Testimonials •
Warranties •
Workers’ compensation •
Licensed & insured

Warranty, Reviews, and Why St. Louis Picks Viviano

Your windows carry strong factory warranties from trusted manufacturers, typically covering the frame and sash, insulated glass seal, and operating hardware. Many are transferable to the next homeowner (terms vary by brand). Want details by brand before you buy? We’ll walk you through them during your estimate. Overview: Do replacement windows come with a warranty?

Our workmanship coverage and service process

• Workmanship: We stand behind our installations and review the specific workmanship coverage on your proposal—no fine‑print surprises.
• How to get service: Call 314‑353‑8350 (Mon–Fri, 8–4) or contact us with your job info and a few photos. We’ll determine if the issue is product‑ or installation‑related.
• Coordination: One call and we handle it. For manufacturer claims, we order parts and schedule service once components arrive. If it’s our workmanship, we make it right.
• Transferability: Selling your home? Ask us to help register or document transfer‑eligible warranties so you can show buyers clear coverage.

What St. Louis homeowners say

• “Zero pressure, straight answers, and the price was better than the big advertisers.” — South County homeowner
• “Installers were on time, careful with our trim, and left the kitchen spotless.” — Webster Groves homeowner
• “We compared three quotes; Viviano gave us the best value without upselling.” — Affton homeowner

See more reviews: Testimonials

Badges that matter

• ENERGY STAR qualified glass packages available
• NFRC‑labeled performance so you can compare U‑Factor, SHGC, and VT apples‑to‑apples

Why more neighbors choose Viviano: We’re a family‑owned St. Louis company with 28+ years here. By keeping overhead low and avoiding high‑pressure sales, we deliver The Intersection of Price and Quality®. Ready for a no‑pressure casement window estimate? Call 314‑353‑8350, stop by our showroom at 7530 Watson Rd in Shrewsbury, or request your free quote.

Casement Window FAQs

Do casement windows open inward or outward, and which side should the hinge be on?

Most casements in our market are out‑swing, which helps the sash seal and keeps the screen inside. Hinge left or right based on how you use the space. Place the hinge away from faucets or cabinets, and position the sash to scoop prevailing breezes and avoid conflicts with walkways or landscaping. For pairs, choose twin casements with a meeting stile or a French casement that opens from the center with no vertical post. During your free, no‑pressure consult, we’ll mark the ideal handing at each opening.

Where is the screen located and how is it removed for cleaning?

Casement screens are inside. Depending on the brand, they use spring clips, tabs, or a concealed track. Open the sash slightly, release the tabs or clips, and pull the screen inward. Cleaning tips: How to clean new windows. We’ll also show you how to remove and reinsert the screen before we leave.

Are casement windows good for bedroom egress?

Often, yes. Casements provide a large clear opening, and French casements remove the center post for more space. Final approval depends on local code for clear opening size and sill height. We verify requirements for your municipality and size the unit during your quote.

Will replacing casements damage interior trim or drywall?

With insert installation, existing interior trim is usually preserved with little to no drywall impact. Full‑frame replacement involves removing trim and adding new flashing and insulation. We can reinstall or replace trim as needed. Minor paint touch‑ups are sometimes recommended. Learn more: Trim/Drywall impact and Full‑Frame vs. Insert.

How long does installation take and what’s the turnaround time?

A single casement usually takes about 1 to 2 hours. Multi‑window projects are commonly finished in 1 to 2 days. From contract to installation, timing varies by season, material, and glass package. What to expect: Install day timing and order‑to‑install timeline.

Can you install in winter without losing heat?

Yes. We replace one opening at a time and seal the new unit right away to limit heat loss. Winter‑rated sealants and foams are used as needed. Details: Winter replacement.

Are these windows ENERGY STAR certified and made in the USA?

ENERGY STAR options are available and common for our climate. Many window lines we sell are made in the USA. Learn more: ENERGY STAR info and Made in the USA. During your quote, we’ll recommend glass packages that meet St. Louis climate needs and show you the NFRC labels so you can compare performance and price.

Do new casements reduce outside noise?

They can. The tight seal helps, and upgrades like laminated glass, thicker IG units, or specific spacers reduce sound further. More: Noise reduction.

Still have questions or want a no‑pressure quote? Call 314‑353‑8350, visit our showroom at 7530 Watson Rd, Shrewsbury, MO 63119 (Mon–Fri, 8:00 a.m.–4:00 p.m.), or request a free estimate online. Family‑owned in St. Louis for 28+ years, we focus on value—The Intersection of Price and Quality—without high‑pressure tactics. We serve the greater St. Louis area, including City and County neighborhoods and nearby communities.

Service Area and Easy Next Steps

Proudly serving the St. Louis metro, including Shrewsbury, Webster Groves, Kirkwood, Maplewood, Affton, Crestwood, and nearby communities. If you don’t see your city listed, just ask—we likely work there too.

Get started your way

• Request a Free, No‑Pressure Quote (tell us your goals, we’ll tailor options and pricing)
• Send us a note (quick questions welcome)
• Or call 314‑353‑8350 (talk to a real person—no scripts, no pushy sales)

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Visit our showroom

Come see and operate casement displays—compare hardware, colors, glass, and screen options side‑by‑side.

Budget‑friendly options

• Financing
• Current specials
• Call for complete details. Low‑overhead pricing means more value in your windows.

What happens next (simple 3‑step process)

1. Conversation and measurements (in‑home or in‑showroom guidance—no pressure).
2. Clear, itemized proposal with choices (energy‑efficient glass, colors, hardware, and install method: pocket vs. full‑frame).
3. Order and schedule—professional, insured installers complete the work and walk you through operation and care.

We’re a family‑owned, low‑pressure, multi‑brand dealer. We’ll help you choose the casement windows that fit your home best—balancing energy efficiency, long‑term value, and The Intersection of Price and Quality®. Energy‑saving options (including Low‑E/argon and ENERGY STAR‑focused packages) and Made‑in‑USA brands are available. Need help with HOA/permit questions? We can guide you.

When you’re ready, we’re ready—call, click, or stop by. Bring photos or rough sizes if you’d like a quick ballpark in the showroom.