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Double Slider Window Replacement & Installation

double slider window installation

What Is a Double Slider Window?

A double slider window (also known as a horizontal sliding window) features two operable sashes that glide smoothly from side to side. This design is ideal for homes across Los Angeles, Orange County, and surrounding Southern California areas where wide wall openings and horizontal space are common.

Unlike single sliders, both sides open—giving homeowners maximum ventilation, airflow control, and flexibility.

 

Why Double Slider Windows Are Ideal for Southern California Homes

Windows Built for Wide Open Views & Coastal Living

Double slider windows are perfect for capturing ocean breezes, canyon views, and backyard sightlines common in Southern California homes.

Energy Efficiency Windows for Hot Climates

Our double slider replacement windows feature:

  • Low-E 366 insulated glass
  • Argon gas-filled panes
  • Designed to help meet California Title 24 energy standards

This means lower energy bills, reduced heat transfer, and a more comfortable home year-round.

Windows With Easy Maintenance & Cleaning

Both sashes are removable from the inside, making cleaning safe and simple—no ladders required.

Smart Window Company Double Slider Features

Premium Performance & Durability

  • Fusion-welded vinyl frame for superior strength and long-term durability
  • 3-1/4” multi-chambered extrusion design for insulation and rigidity
  • Heavy-duty dual wall construction to withstand Southern California conditions

Smooth, Effortless Operation

  • Premium stainless steel rollers ensure a quiet, smooth glide
  • Contoured pull rails provide easy, fingertip operation

Advanced Weather Protection

  • Dual & triple fin-seal weatherstripping blocks air and water infiltration
  • Multi-chambered construction ensures a weathertight seal

Clean, Modern Aesthetic

  • Low-profile, sleek frame design maximizes glass area
  • Hidden screen track for a clean, uncluttered look
  • No grooves or tracks that collect dirt and debris

Energy Efficiency & Comfort You Can Feel

Our double slider windows include:

  • Dual-pane insulated glass units
  • Silver-coated Low-E 366 glass
  • Argon gas fill for enhanced insulation

This combination helps:

  • Reduce heat gain in summer
  • Retain indoor warmth in cooler months
  • Minimize UV damage to flooring and furniture

For homeowners in Los Angeles and surrounding counties, this translates to real energy savings and improved indoor comfort.

Professional Double Slider Window Installation in Los Angeles, Orange, Ventura & Riverside Counties Double Slider Window Installation

Smart Window Company, we specialize in precision retrofit window installation for stucco and existing-frame homes throughout Southern California.

Our process ensures:

  • Proper sealing to prevent leaks
  • Clean, non-invasive installation
  • Long-lasting performance

And unlike traditional companies, we offer:

  • No-pressure consultations (Zoom or in-home)
  • Detailed emailed quotes with exact pricing
  • A streamlined, homeowner-friendly experience

Get a Quote for Double Slider Windows Today

We provide custom double slider window solutions for homes across Los Angeles County, Orange County, and parts of Riverside and San Bernardino.

Whether you’re upgrading for energy efficiency, aesthetics, or ease of use, our team is ready to help.

Contact Smart Window Company today to receive a fast, transparent quote emailed directly to you—no pressure, no surprises.

 

FAQs About Double Slider Windows

What is the difference between a single slider and a double slider window?

A single slider has one operable sash, while a double slider allows both sashes to open. Double sliders provide better airflow and flexibility.

Are double slider windows energy efficient?

Yes. When built with Low-E glass and Argon gas, double slider windows are highly energy efficient and can help meet California energy code requirements.

Are double slider windows easy to clean?

Absolutely. Both sashes tilt or lift out from the inside, making cleaning safe and convenient.

Do double slider windows leak more than other window types?

Not when properly installed. With high-quality weatherstripping and professional installation, double slider windows provide excellent protection against air and water infiltration.

Are double slider windows good for large openings?

Yes—this is one of their biggest advantages. They are ideal for wide window openings and maximize both view and ventilation.

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Aesthetics

  • Crystal clear views from the most advanced glass system in the industry.
  • 3/16” interior tempered pane of glass & 1/8” exterior double-strength pane of glass.
  • Sleek, low-profile frames maximize viewable glass area.
  • Equal size sashes in each frame create clean looking sight line.
  • Beveled exterior frames create beautiful architectural dimensions.
  • Integrated lift rails contribute to the overall look and feel of our streamlined frames.
  • Hidden locks do not interfere with the elegant exterior look and feel.
  • Ultra-fine screen fiber strands allow for maximum visibility.
  • Our frame drainage system helps prevent water and dirt build-up.
  • 100% non-recycled vinyl means the color and sheen will last a lifetime.

Energy Efficiency

  • Every sash is insulated with 2 panes of glass, separated by a 1” pocket that is slow-filled with argon gas.
  • The 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex.
  • 3 layers of Low-E are applied to the glass surface, making The Smart Window extremely energy efficient.
  • Each insulated glass unit has been coated with silver oxide to prevent the sun’s damaging UV rays from fading drapes and furniture.
  • Double and triple weather-stripping throughout allow virtually no air infiltration, even in high wind areas.
  • The multi-chambered heavy-duty dual wall extrusion design provides superior insulation, rigidity and durability.

Noise Prevention

  • Dissimilar glass thickness in each double-paned sash drastically reduces the number of sound waves invading your home, which means no more noisy neighbors, passing cars, airplanes, barking dogs, etc.

Security

  • Engineered with interlocking sashes, making it impossible to access the lock from the outside.
  • Our 3/16” tempered glass pane along with our 1/8” double-strength pane make it tough for burglars to break-in.
  • Our positive action locks are smartly hidden from outside views.
  • Child and pet safety features like vent latches allow our windows to remain fixed in a slightly open position.

Performance

  • Each slider sash glides effortlessly on four concave rollers that fit perfectly on top of a stainless-steel monorail track.
  • Hung and casement style windows are easy to operate with our industrial-strength hardware.
  • Heavy-duty multi-chambered frames with welded mitered corners provide the strength necessary to hold any double-pane glass system.
  • Our hung windows tilt-in and our sliders have dedicated chambers that allow for effortless removal of sashes, making cleaning the outside window panes super easy.
  • Weep-holes with covers allow water to drain while preventing dust and wind from entering your home.
  • Our lift and pull rails are extruded as part of our streamlined frames so they can never come loose like fastened-on rails often do.

Window Design Gallery

Vista Plus - XO Single Slider Windows

  • Single operable sash that slides open horizontally
  • Available in 2 & 3 panel (sash) styles
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Slimline auto-lock combines effortless locking with an attractive low profile appearance
  • Steady balances & easy-gliding dual concave rollers glide effortless on a stainless-steel monorail track
  • 1 stop latch
  • 2 convenient pull rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime 

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - XOX 1/4 & 1/2 Slider Windows

  • Single operable sash that slides open horizontally
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • Sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Auto-lock latch retracts & engages automatically when closing window
  • Steady balances & easy-gliding dual brass rollers
  • 1 stop latch
  • 1 pull rail
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime
  • Single operable sash lifts out for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - XOX - 1/3 - Slider Windows

  • Single operable sash that slides open horizontally
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • Sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Auto-lock latch retracts & engages automatically when closing window
  • Steady balances & easy-gliding dual brass rollers
  • 1 stop latch
  • 1 pull rail
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime
  • Single operable sash lifts out for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Single Hung Windows

  • Single operable sash that lifts open vertically
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Slimline auto-lock combines effortless locking with an attractive low profile appearance
  • Steady balances & industrial-strength hardware
  • 2 concealed stop latches
  • 2 convenient lift rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime 

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Single Hung 1/3 Windows

  • Single operable sash that lifts open vertically
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Slimline auto-lock combines effortless locking with an attractive low profile appearance
  • Steady balances & industrial-strength hardware
  • 2 concealed stop latches
  • 2 convenient lift rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime 

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Common Frame Windows

  • Allows for two or more windows to be housed in one common frame for a more streamlined look
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Slimline auto-lock combines effortless locking with an attractive low profile appearance
  • Steady balances & easy-gliding dual concave rollers fit perfectly on a stainless-steel monorail track
  • 1 stop latch
  • 2 convenient pull rails
  • Multichambered frame provides strength & efficiency
  • Interlocking sash with weather strips
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime 

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Casement Windows

  • Hinged window that cranks open
  • Egress hinges available to increase clear opening for optimal safety
  • Hinged on one side (right or left)
  • Smooth-action locking with easy operator, integrated folding handle & washability hinge hardware system
  • Screen is on the inside
  • Can be grouped with awning or picture windows and combined into a common frame
  • Available in one-, two-, and three-panel (sash) styles
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame with dual-seal compression weather strips provide strength & efficiency
  • CrystalView™ Screen – includes an improved-visibility screen mesh that repels water & resists dirt & grime
  • 70 degree opening for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Awning Windows

  • Hinged window that cranks open and pushes outward
  • Egress hinges available to increase clear opening for optimal safety
  • Hinged on top
  • Smooth-action locking with easy operator, integrated folding handle & washability hinge hardware system
  • Screen is on the inside
  • Can be grouped with other awning or picture windows and combined into a common frame
  • Available in one- and two-panel (sash) styles
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame with dual-seal compression weather strips provide strength & efficiency
  • CrystalView™ Screen – includes an improved-visibility screen mesh that repels water & resists dirt & grime

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Picture Windows

  • Stationary, non-opening window
  • Allows for larger size than other windows
  • Can be installed side-by-side with other picture windows or other window styles
  • Most geometric shapes are available upon request
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame provides strength & efficiency

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Vista Plus - Custom Shape Windows

  • Stationary, non-opening window
  • Allows for larger size than other windows
  • Can be installed side-by-side with other picture windows or other window styles
  • Most geometric shapes are available upon request
  • Equal sitelines for a clean, aesthetically-pleasing appearance
  • 3-1/4” frame depth
  • 100% non-recycled vinyl frame
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame provides strength & efficiency

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Garden Windows

  • Manufactured by Tru-Frame® 
  • All rounded corners & frame
  • Fully welded 100% non-recycled vinyl sash & frame with extruded aluminum interior supports for added strength
  • Minimal sightlines with no bars or obstructions for a clear outside view
  • Dual-panes of 1/8” double-strength glass with silver-coated Low-E3 & slow-filled with argon gas
  • Easy-opening single hung side vents with self-locking latches & sash balances for fingertip control
  • Fully adjustable tempered glass shelves to accommodate a variety of plant sizes
  • Fully insulated 3/4” bottom tray with sturdy, specially formulated rigid vinyl that is 16” deep for wider plant bases
  • Available in white and almond
Get Email Quote

Valencia - XX Double Slider Windows

  • Operable sashes slide open horizontally
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Unique auto-lock with minimalist modern design that retracts & engages automatically when closing window
  • 2 convenient pull rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime
  • Operable sashes lift out for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Valencia - Double Hung Windows

  • Operable sashes slide open horizontally
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Unique auto-lock with minimalist modern design that retracts & engages automatically when closing window
  • 2 convenient pull rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime
  • Operable sashes lift out for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Valencia - Double Hung Windows

  • 2 operable sashes that lift open vertically
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Unique auto-lock with minimalist modern design that retracts & engages automatically when closing window
  • Steady balances & industrial-strength hardware
  • 2 convenient lift rails
  • Multichambered frame & interlocking sash with weather strips provide strength & efficiency
  • CrystalView™ Screen – includes a sturdy pull rail and improved-visibility screen mesh that repels water & resists dirt & grime
  • Both operable sashes tilt in for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Valencia - Picture Windows

  • Stationary, non-opening window
  • Allows for larger size than other windows
  • Can be installed side-by-side with other picture windows or other window styles
  • Most geometric shapes are available upon request
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame provides strength & efficiency

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Valencia - Custom Shape Windows

  • Stationary, non-opening window
  • Allows for larger size than other windows
  • Can be installed side-by-side with other picture windows or other window styles
  • Most geometric shapes are available upon request
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame provides strength & efficiency

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Valencia - Casement Windows

  • Hinged window that cranks open
  • Egress hinges available to increase clear opening for optimal safety
  • Hinged on one side (right or left)
  • Smooth-action locking with easy operator, integrated folding handle & washability hinge hardware system
  • Screen is on the inside
  • Can be grouped with awning or picture windows and combined into a common frame
  • Available in one-, two-, and three-panel (sash) styles
  • 3-1/4” frame depth
  • Ultra-durable premium 100% non-recycled uPVC vinyl frame ideal for high-end residential & light commercial projects
  • Sound Package with dual-paned dissimilar Wildfire™ 3/16” tempered glass* over 1/8” double-strength silver-coated Low-E3 performance glass slow-filled with argon gas
  • 1” pocket is sealed with a thermally-coated stainless-steel spacer that has hinges that flex
  • Multichambered frame with dual-seal compression weather strips provide strength & efficiency
  • CrystalView™ Screen – includes an improved-visibility screen mesh that repels water & resists dirt & grime
  • 70 degree opening for easy cleaning

*Tempered glass warrantied for life and covered under accidental glass breakage warranty

Get Email Quote

Window Replacement & Installation Options Gallery

All grids are made of aluminum & fastened between the two panes of glass, leaving both the interior and exterior glass surfaces smooth and easy to clean – now that’s smart!

Grid Configurations available in:

  • No grids
  • Colonial
  • Valance
  • Marginal
  • Queen Anne

Grid Profile Options Available in:

  • 5/8” flat
  • 1” sculptured

Whether you are concerned about privacy or just want to add a designer touch, our decorative glass options will keep your room beautiful while allowing the light to flow naturally.

Available in:

  • Obscure (pebble)
  • Rain
  • Glue Chip
  • Matte (etched)
  • Narrow Reed
  • Bronze (tinted)
  • Gray (tinted)

Patterns and tints shown are not exact and may vary. Samples are available through your Smart Window Company representative.

Our exterior trim is made with the same extrusion as our windows and will give your home an elegant, polished look and feel.

Available in:

  • Flat Trim* (a stream-lined look)

*Flat trim not available when replacing wood windows. Instead, we will preserve the existing wood trim.

Made In The U.S.A.Lowest Price Guaranteed*