Warranty

We’re proud to provide a warranty like ours. 

We build windows for a lifetime of enjoyment. So it only makes sense that we will guarantee them for a lifetime. Since you have entrusted us with your home, we are here to share the trust back with you with a warranty that is undefeated in the City of Champions.  

Pittsburgh & Erie Branch Offices

Business Hours:
Monday-Friday 7:00am – 4:00pm
Closed Saturday & Sunday

Phone: 800-641-2211
Fax: 412-826-0455
Email: info@ThermoTwin.net

HIC# PA013012

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The Thermo-Twin office is closed today.

The Thermo-Twin Windows office will be closed today due to a power outage from last night’s storms. We apologize for any inconvenience and appreciate your understanding.

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