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Business Details
14 Years
experience
Trusted Window & Door Installation Experts in Honolulu
Diamond Head Windows has been serving the island of Oahu since 2012, building on over 30 years of combined industry experience. Our team is committed to delivering top-quality window and door installations while upholding local values and treating every customer's home with respect. We specialize in Leahi Brand premium vinyl replacement windows, sliding patio doors, and custom solutions tailored to Hawaii's unique climate.

Our dedication to excellence is reflected in our lifetime warranties on products and installations, as well as our recognition as the Best of Hawaii for window and door services. We prioritize transparency, education, and community impact, donating a portion of every project to the Hawaii Food Bank to support local needs.
Services
Window Installation Door Installation Gate & Fence Services Energy-Efficient Solutions Repairs & Retrofits
Details
  • Year established: 2012
Highlights and features
  • We offer 30+ years of combined experience in window and door installations.
  • Our team provides lifetime warranties on all products and installations.
  • We are certified by InstallationMasters for expert window and door training.
  • Locally owned and committed to community impact through donations.
  • We handle all measuring and installations in-house with no subcontractors.
Associations and certifications
  • Best of Hawaii
  • InstallationMasters
What people say
Outstanding customer service Professionalism of install crew Reliable and efficient Excellent product quality Highly recommend
Services
Window Installation
We specialize in custom window installations tailored to Hawaii's climate. Our Leahi Brand vinyl windows reduce noise, increase energy efficiency, and require minimal maintenance. Every installation includes lifetime warranties on both products and workmanship.
Door Installation
Our premium patio and entry doors enhance security, aesthetics, and energy efficiency. Options include contemporary sliding, French rail, multi-slide, and bi-fold glass doors with customizable finishes and lifetime warranties.
Gate & Fence Services
We install durable, weatherproof powder-coated aluminum gates and fences designed for Hawaii's environment. Available in modern styles and colors, these systems resist rust, termites, and UV damage while boosting curb appeal.
Energy-Efficient Solutions
Our energy-efficient windows and doors use dual-pane glass, argon gas fills, and low-e coatings to minimize thermal transfer. These features help maintain indoor comfort and reduce heating and cooling costs.
Repairs & Retrofits
We provide retrofitting and repair services for existing windows and doors. Our team addresses issues like faulty hardware, seal failures, and weatherproofing to restore functionality and extend product lifespan.
Questions
What areas do you serve?
We serve homeowners throughout Honolulu, Kaneohe, Manoa, Kailua, Mililani, Hawaii Kai, and the entire Island of Oahu.
Do you offer warranties on your products?
Yes, we provide a lifetime warranty on all Leahi Brand products and window installations for long-term peace of mind.
How long does the installation process take?
Timelines vary depending on product availability, but we prioritize efficient scheduling and keep customers informed at every stage.
What types of windows and doors do you install?
We install double-hung, slider, casement, awning, picture, and geometric windows, as well as contemporary and French sliding patio doors.
Are your products energy-efficient?
Yes, our windows and doors feature dual-pane glass, low-e coatings, and argon gas fills to minimize thermal transfer and reduce energy costs.