Why This Matters
The afternoon sun angle in Southern California between June and September is low enough to drive direct solar radiation deep into west-facing rooms. Standard window treatments block the view; film blocks the heat.
Near Extended Stay America Select Suites- Washington D.C. - Sterling - Dulles in Ashburn, west-facing windows at low afternoon sun angles drive the highest interior temperature increases. This is especially problematic for historic or older home installations, which older single-pane windows benefit most from low-e retrofit film to improve thermal efficiency.
The marine layer that covers coastal California in the morning burns off by midday, leaving afternoons with intense, direct sunlight. West-facing rooms without film are at their hottest between 2pm and 5pm.
The Solution
Residential window film is the most targeted solution for solar heat gain: it addresses the problem at the source — the glass — rather than compensating with more cooling.
Anti-reflective film is the most targeted solution for glare: it reduces peak window luminance without significantly cutting total light transmission. Best for rooms where screen visibility is the primary concern.
Non-metallic ceramic particles reject heat without interfering with signals or views.
Climate & Solar Performance
Properties near Extended Stay America Select Suites- Washington D.C. - Sterling - Dulles in Old Ashburn Square, Ashburn experience afternoon heat gain conditions that make window film particularly effective. Ceramic Window Film is specifically engineered to address this solar exposure.
Effective against afternoon heat gain
Rated for historic or older home protection
Professional installers available in Ashburn
10–15 year manufacturer warranty
Installation Guide
Installation cost varies by window size, film grade, and local labor rates. Expect $8–$15 per square foot installed for quality solar control or ceramic films. A typical residential window runs $150–$400.
Install time
30–45 min
Per window
$150–$400
Cure time
30 days