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Our Commitment to Manufacturing Energy Conserving Windows and Patio Doors

For over 50 years, Thermal Windows & Doors’ roots have been designing and manufacturing energy conserving window and patio door products. Our philosophy is simple: provide our customers with energy-efficient, maintenance-free products that help to lower their energy bills. 

From our environmentally sensitive manufacturing processes to our recycled content, our goal is to produce high-performance windows that meet or exceed current energy-efficiency standards. The result? You get exactly what you need in a window—and so does the environment.

Green Window Manufacturing Processes

recycle logoOur vinyl manufacturing processes blend environmental sensitivity with high-quality finished products. We recycle our vinyl, glass and aluminum scrap, often selling it to companies outside our industry, such as PVC pipe manufacturers and post-industrial recyclers. 

Utilizing vinyl provides our customers products with sustainable life spans, keeping them out of landfills. Our lead-free PVC vinyl is not petroleum-based; its production requires no burning and generates no harmful gases. When it comes to environmentally sensitive manufacturing, our vinyl production methods are among the most progressive in the industry. Also included in the company’s efforts to make it more environmentally responsible are upgrades to the equipment used to produce glass in our door and window products. Just one example is our new glass oven that uses infrared heating elements that reduce energy consumption by 75 percent, resulting in added savings for the company and the consumer.

Education on ‘Green’ Window Products and Manufacturing

In addition to taking steps to make the company’s production processes and facilities more environmentally friendly, Thermal Windows & Doors also educates company employees about its efforts. As a result, employees are more informed of the company’s green practices and take pride in knowing they’re contributing to the process. Energy-responsible products and employees’ green awareness are everyday practices at Thermal Windows & Doors.

GreenSpec®-Listed Designation for Our Triple Pane Glass

GreenSpec ListedThermal Windows & Doors’ Peak PerformanceTM Elite Glass has received the GreenSpec®-Listed designation by BuildingGreen, Inc., an independent company committed to providing accurate, unbiased, and timely information on building industry products. The GreenSpec® Directory lists product descriptions for over 2,100 environmentally preferable products. 


To find the right products for your energy-efficiency goals and regional requirements, contact your authorized Thermal Windows & Doors dealer.