Feldco Fast

Quality Windows, Siding
& Doors Since 1976

Earn a Reward with Every Referral!

With almost 50 years of experience in being the Midwest’s leader in home renewal, our reputation has earned us the highest endorsements from our customers. One thing remains constant– your recommendation is the highest compliment we can receive.

Sign Up and Refer

Just enter in some basic information about yourself first. We’ll contact you soon to gather information about the person you’re referring to Feldco.

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Terms and Conditions
To be eligible for a reward, you must be a previous Feldco customer. A reward is earned after your referral makes their first Feldco purchase. You will receive a letter in the mail after each new customer referral purchases offering you two reward options. Option A: A reward of $100 in the form of a check. Option B: A reward of a $250 transferrable Feldco gift certificate. Reward letters are mailed out approximately 3 weeks after the contract date of the referral’s sale. Only one reward is earned per new customer referred. The referrer cannot be the owner for the referred property. Referral information must be received within one year of the contract date. Reward option must be selected within one year of reward letter mailed date. $250 Feldco gift certificate cannot be applied to an existing contract and is only valid for new Feldco contracts within one year of certificate issue date. Only one $250 Feldco gift certificate can be redeemed per new contract. A $250 Feldco gift certificate can be applied to the full retail price of windows (Minimum 4 #1655 Sophia Series Replacement Windows), full house of siding, entry doors and/or full roof replacement. In the event of conflicting referrals, Feldco reserves the right to determine who receives credit for such referrals. There is no limit to the number of rewards you can earn. There is no minimum purchase requirement to earn a previous customer reward from Feldco. Referrals may be subject to verification by both parties. Feldco reward checks and certificates cannot be replaced if lost, stolen, destroyed and/or expired. Recipients are responsible for all applicable taxes. Void where prohibited by law. All interpretations of program terms and conditions will be taken at the sole discretion of Feldco. Feldco reserves the right to change the rules, conditions, benefits, or rewards pertaining to the Reward Program, or terminate the program, in whole or in part, at any time and at its sole discretion, with or without notice.

Special terms apply for Multi-Unit Residential Complexes

No referral reward will be issued for sales to residents of townhomes or condominiums or their homeowners’ associations where a board or association decision mandates that all homeowners purchase Feldco products.


Feldco has been a leader in replacement windows, siding, doors and roofing since 1976. Our goal is total customer satisfaction from project quote to final installation. We call it, “customer delight”.

We have 12 showroom locations in Illinois, Indiana, Iowa and Wisconsin:

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Over 500,000 homeowners have trusted Feldco with their windows, siding and doors. Click the button below and we’ll get started on your quote!