Frequently Asked Questions

Have a question about our replacement windows or exterior doors?  Browse through our top faqs below.   If you don’t find the answer, contact us

Yes. We offer… Senior Citizen Discounts/Military-Veteran/While were in the Neighborhood/and our most popular Same Day Discount.

Yes. We use Greensky, Enerbank USA, and Aqua. Each offers options including Term, No Interest – No Payments, and Deferred Interest Financing Programs. Contact us for complete details or request a free estimate, and we’ll come to you.

Yes. Our professional project consultant will work with you and your family from beginning to end.  Request a free estimate!



Yes, many of our windows and doors are Energy Star-approved.

Yes. Our windows and doors are made right here in the USA by Provia, Sugar Creek, Ohio.

Our professionally trained EMPLOYEES do all the work. We only subcontract fields that require specific licensing. I.E., Plumbing, electrical, and HVAC.

Windows and doors are our specialties.

We do! We will hand you a referral check after the sale as well as after the installation.

Typical turnaround is from 4 to 6 months from contract date to installation, depending on the order and our schedule. Always request an estimate for a firm installation date.

We will handle all permitting and provide the required documentation to the necessary parties after signed contract and a down payment is received.

STL Windows and Doors, a company of Lombardozzi Construction, has officially been in business since 2013. Our experience in the industry extends almost 10 times that.

Yes, in addition to the manufactures warranties, we offer a 10-year workmanship warranty on all general contracting projects.

Replacement window should always be smaller than the opening to allow the new window to be square in a potentially out of square opening. You also need room to fit insulation between the new window and the existing opening. Once a window is set to square and insulated, the window will be trimmed out for appearance and sealing purposes to ensure a proper install.

Yes, we will need to come inside to properly tear out the old window without damaging the opening, properly fasten the new window units in place, trim out the window, and clean up.

Yes. Also, it is recommended to await 24 hours before reinstalling blinds to allow an adequate drying time of caulk

Yes. Installers will give a full demonstration after the installation process is complete.

Any home constructed prior to 1978 fall under the federal RRP rule. Yes we are licensed and comply with all EPA regulations to facilitate any projects where lead is present.

Have More Questions?

No problem, please contact us and we’ll be more than happy to provide the answer promptly.