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Thermal Windows, Inc. is in its fourth decade of quality window design and production. They manufacture energy-efficient aluminum windows, sliding glass doors and terrace doors. Many of the products meet Energy Star performance levels.
Founded in 1979, the company has grown steadily over the past three decades with annual sales now exceeding $30 million. Sales and manufacturing operations in Tulsa, Oklahoma occupy 235,000 sq.ft.  Thermal has 200 employees, and ships its' products throughout the USA.
At Thermal Windows Inc., the in-house research, design and testing programs provide continuous quality assurance. The testing equipment is calibrated by a certified AAMA laboratory. All testing is conducted by certified AAMA technicians. In manufacturing, quality is monitored in the powder coat, debridging and insulating glass facilities to maintain a high degree of control over critical areas of window production.
Global warming and the significant increase of severe storms, tornadoes and hurricanes provide a new challenge to the fenestration industry. Thermal Windows offer a range of impact products to protect your home and family.

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Discount Windows & Doors is the Kama`aina window company you can trust. We have options and solutions, and offer three window and door systems that will protect your family and your investment in all weather - from a bad storm to a Category 5 hurricane. By utilizing the latest fenestration technology available, a revolutionary and unique installation system, the most thermally efficient double strength and impact glass, your apartment or condo will be safe, cool and dry in the worst of hurricanes. With nearly 10 years of experience in the apartment and condo market in Hawaii, let Discount Windows & Doors offer you the perfect solution for your condominium, apartment or home.



Thermal Windows, Inc. offer a comprehensive range of AAMA 2603, 2604 & 2605 Powder paint finishes in addition to AAMA 2605 Kynar paint. Due to our severe marine environment we recommend either a AAMA 2604 or 2605 paint finish. Although and custom paint finish can be offered, 14 more popular colors are available at more competitive pricing. The majority of windows and doors are painted in Thermals' in-house modern paint shop.

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Product Selection Guide

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Product Selection Guide

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Discount Windows & Doors
45-564 Kamehameha Hwy, Unit A1
Kaneohe, HI 96744

Affiliated with Hawaii Siding Company

Mon-Fri. 8:00am - 5:00pm
Sat 9:00am - 2:00pm

PHONE: (808) 673-6656
FAX: (808) 447-3725

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