Service Department

Our Service Department is dedicated to insure performance of products purchased at and/or installed by Windows & Doors By Brownell. We have a team of our own Marvin trained technicians that are ready to take care of issues you may have with the products after the sale. Our fully equipped and stocked service van is key in making our goal of prompt service a reality.

Service Parts Truck


We keep a selection of parts in stock and can order most other parts that may be needed. Typically we can order parts for older Marvin windows or doors that are obsolete or are past warranty.

Routine Cleaning and Maintenance

Routine cleaning and maintenance should keep your Marvin windows and doors operating smoothly. For information on how to properly clean and maintain your windows and doors or for trouble shooting minor problems please visit: Marvin Service and Maintenance or call our service department.

Brownell Quick Fix Video: How to Properly Tilt and Remove a Double Hung Sash for Cleaning

Brownell Quick Fix Video: Clutch Foot Repair of a Marvin Double Hung Window

Brownell Quick Fix Video: Adjusting Integrity from Marvin Swing Door Hinges

Brownell Quick Fix: Weatherstrip Replacement on a Marvin Window

Brownell Quick Fix: Using Marvin's Ultimate Casement Wash Mode

How to Get your Glass Spotlessly Clean

Marvin Warranty Information

20 Years ~ Marvin offers a special 20-year warranty on our insulating glass, protecting it against visible obstruction caused by a failure of the insulating glass air seal. Marvin’s standard exterior cladding finish is warranted against loss of adhesion (crack, check, peel), chalk, and fade, per the American Architectural Manufacturer’s Association’s (AAMA) Specification 2605-11 Sections 8.4 and 8.9, for twenty (20) years from the original date of purchase. Marvin is not responsible for installation or refinishing of replacement parts*.

10 Years ~ All windows and doors made by Marvin are covered by a limited warranty guaranteeing they'll remain free from defects in manufacturing, materials, and workmanship for up to 10 years from the purchase date. Marvin is not responsible for installation or refinishing of replacement parts*.

1 Year ~ Service warranty covers installation/labor costs for repair or replacement of failures and defects in Marvin products up to 1 year from purchase date*.

Download detailed information.

PDF FileAlternate Species Paint and Stain
PDF FileJamb Carrier Removal


*Please visit for complete warranty information and disclosures.


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