Thermo-Tech Premium Windows and Doors
  • Thermo-Tech Support

    Thermo-Tech Support

    Commitment to service excellence.

Swift service is just a call (or click) away.

Thermo-Tech Windows is committed to providing quality products constructed to our high standards of excellence. Even with our impressive record, there may be an instance when a product concern arises that requires our technical expertise. Our knowledgeable staff is ready to help!

Before calling or filling out the Parts & Service Request Form below we encourage you to contact the dealer who your windows were purchased through (if known). They may be able to provide you important information that will expediate your service, such as sales order number of window/door type.

Our Service Department

7:00 a.m. – 5:00 p.m. (CT)

Phone: 1-320-529-4012 ext. 600
Fax: 1-320-529-4017
Toll-Free Phone: 1-888-826-4944
Toll-Free Phone: 1-877-565-0159 ext. 600
Toll-Free Fax: 1-877-565-0160

Parts Directory

Parts & Service Request form

Please fill out the form below. A Service Department representative will contact you after your request has been received.

IMPORTANT: Missing or incomplete information may cause delay in service completion.


Dealer Name






Yard Contact

Original Order #

Original Order Date

Job Name*





Home Phone*

Cell Phone

Work Phone


Closing Date

Type of Window/Door
CasementDouble-HungSingle-HungSliderAwningFixedShapeEllipse/Half RoundPatio Door

Size of Window/Door (Frame Dimensions)*

Color of Window/Door
Dark OakLight OakWhiteTanSandlewood

Grid Pattern
No GridsColonialPrairieQueen Ann

Grid Material
5/8 Aluminum Bar - Flat5/8 Aluminum Bar - Contoured3M Accentrim*
*Please note: Accentrim is no longer available for replacement glass.

Description of Work Request*

Glass Unit Only
Seal DefectSeal CrackSurface Flaw

If Surface Flaw, Please Describe

Visible Glass Size

Visible Glass size is glass surface measurement vinyl to vinyl.

Ship ReplacementDeliver/Install Replacement (Labor charges apply after first year.)

IMPORTANT: Provide accurate sash or glass measurements. Field measurements ARE chargeable on an hourly basis after first year.

Directions to Job Site

Enter Your Email Address For Confirmation*

Notify Others Of Your Request

Upload Picture (jpg format, Maximum file size: 4mb/4000kb)
Upload Picture (jpg format, Maximum file size: 4mb/4000kb)
Upload Picture (jpg format, Maximum file size: 4mb/4000kb)

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