Double Slider Window Replacement & 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 
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.



























































