Bay Window
Comfortuer I, II, III
Double Hung
Comfortuer I, II, III
Sliders
Legance II patio door
with monorail track
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Thermal Industries has served customers with innovation and leadership in the custom window industry since its founding in the early 1960's, and has been listed in both Inc. and Forbes magazines as one of the fastest growing firms in the United States.

A privately-held company, Thermal has over four acres of research and manufacturing facilities in the eastern suburbs of Pittsburgh, Pennsylvania, enabling total control of the manufacturing process. Thermal maintains its leadership standards through its ongoing support of industry and regulatory associations such as: The American Society of Test Methods (ASTM), Northeast Window and Door Association (NWDA), The Society of Plastics Institute (SPI), The Insulating Glass Manufacturers Alliance (IGMA) and The National Sunroom Association (NSA).
Thermal Industries has been the recipient of the prestigeous Crystal Award presented by Window & Door magazine.
Click here to download
the NFRC ratings for
this window line
Features and benefits of the Thermal Industries
Comfortuer window system
Block and Tackle Balance System

Magnetic Bulb Seal (Exclusive)

Hydrosill Water Management System (Exclusive)

16 Chamber Window (Exclusive)

Foamed Wrapped Frame

PPG Intercept System With Low E And Argon Glass

Non-Metallic Super Spacer With Warm Edge Technology

Metal Reinforcement At Meeting Rails

Beveled Memory Mesh Fiberglass Screens

Double Insulated Hardened Glass

Full Balance Covers

Triple Woolpile Seal At Interlocking Meeting Rails

Heavy Extruded Screen Frame With Hidden Tension Track

Paintable/Stainable Interiors (Optional)