Double-Hung
OKNA 500 Insul-Tec / 800 Enviro-StarClassic look with two operating sashes that tilt in for easy cleaning from inside.
Authorized OKNA Installer
Beautiful, energy-efficient windows — custom & direct from OKNA.
Skyba Windows installs premium OKNA windows and patio doors across Pennsylvania and the surrounding area. Lower energy bills, a quieter home, and a lifetime warranty — installed clean and on schedule.
Lifetime warranty U-factor as low as 0.17 ENERGY STAR options
Window types we install
Every OKNA window is custom-built to your exact opening. Here are the most popular styles.
Casement
OKNA 700 CasementHinged on the side and cranked open for maximum ventilation and an airtight seal.
Sliding
OKNA 500 Insul-Tec / 800 Enviro-StarSmooth horizontal operation with a modern, low-profile look. Space-saving.
Why homeowners choose OKNA
Premium performance, backed by one of the strongest warranties in the industry.
Industry-Leading Energy Efficiency
U-factors as low as 0.17 with triple-pane, dual-argon, warm-edge glass — lower heating and cooling bills year-round.
Lifetime Transferable Warranty
Frame, sash, glass seal, and hardware are covered for life — including accidental glass breakage — and it transfers to the next owner.
Built to Order, Direct From OKNA
Every window is custom-manufactured to your exact opening on computer-controlled lines — no big-box stock sizes, no middleman markup.
What our customers say
Real feedback from real, completed jobs.
Recently I had my three-panel sliding doors replaced. The owner, Serhii, and his crew were able to remove the old doors and install the beautiful new patio doors within two hours. Last year his company also removed our old windows and installed new ones. Compared with other window and door installers, his prices are very reasonable and his work was very professional. I highly recommend his services.
Get a free estimate
Tell us about your project and we’ll reach out to schedule a no-pressure estimate. Or call (717) 669-7251.