Seattle’s unique climate—characterized by high humidity, coastal wind pressure, and the need for stringent energy efficiency—demands fenestration solutions that go beyond residential standards. As a premier manufacturer, Foshan Apex Window & Door Co., Ltd. provides localized engineering solutions that align with the Washington State Energy Code (WSEC). Our casement windows offer superior air-sealing and thermal performance, essential for the Seattle market's transition toward net-zero building envelopes.
$28M+ Annual Revenue, 12 years of export expertise.
85 R&D engineers, 120+ new product patents annually.
45 certified inspectors, full ultrasonic weld testing.
Q: How do your casement windows meet Seattle's building codes?
A: We utilize NFRC-certified thermal break technology and Low-E double/triple glazing to exceed local energy performance requirements.
Q: Can you handle large-scale commercial projects?
A: Yes, with a 35,000 m² facility, we scale for high-rise condos and commercial developments, ensuring consistent supply chain reliability.
Apex Window & Door
