Make Yourself $200.00 Richer, When You Refer-A-Friend.
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Illinois Energy Windows & Siding Referral Rewards Program Thank you very much for your business! Your kind referrals help us keep our company strong and better able to support you now and in the future. Please fi ll out this form with anyone you know who might be interested in an estimate for windows, doors, siding, gutter capping, or sunrooms. You will recieve, for each and every one of your referrals who purchase within one year, a check for a maximum amount of $200 . Any purchase less than $5,000 will receive a check in the amount of $100 (minimum purchase of $2,000 to qualify).