Cash back savings offer on Andersen Windows, only at Riverhead Building Supply

Andersen Windows – up to $750 cash back!

Earn cash back on your Andersen Window purchases


From October 1 - November 28, 2017, you can earn up to $750 cash back when you purchase Andersen Windows from Riverhead Building Supply.

Purchase $20,000 - $28,000 of Andersen Windows, receive $500

Purchase over $28,000 of Andersen Windows, receive $750

Offer expires November 28, 2017

Download and complete the rebate form to receive your cash!



REMODEL with ROXUL and receive a 10% rebate off your purchase.

Purchase a minimum of 30 bags* of Roxul Comfortboard™ 80 insulation at a participating Riverhead Building Supply location and mail the rebate form in with proof of purchase to receive a 10% rebate by mail in offer. (Find rebate forms at Riverhead Building Supply counters)

Offer expires September 30, 2017.

VELUX Savings

 Optimize Energy Efficiency with Seasonal Automation with VELUX

Velux Skylights reduce energy dependency and maximize efficiency by allowing the homeowner to control blind positioning or the system to automatically optimize energy performance based on outside conditions. 

Receive an average of $730 on product and installation with federal tax credit eligibility. For more information, visit

Velux offers easy programmable remote control for winter and summer modes, improving energy performance rating up to 40%.