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European Windows & Doors in Iowa
Made-to-order tilt-turn windows, folding doors and lift & slide doors, shipped to homeowners and builders in 4 Iowa cities. Your contractor or an independent local installer handles installation.
City by city
Window energy rules across Iowa
Each city's climate zone, the energy code it enforces for new homes, and the highest window U-factor that code allows (lower is better). SwingTilt's triple-pane windows have a U-factor of 0.19.
| City | Climate zone | Energy code for new homes | Max window U |
|---|---|---|---|
| Cedar Rapids | 5A | Being confirmed | — |
| Davenport | 5A | Iowa State Energy Code (2012 IECC based) | 0.32 |
| Des Moines | 5A | Iowa State Energy Code (2012 IECC based) | 0.32 |
| Iowa City | 5A | Iowa State Energy Code, adopted through city code | 0.32 |
Checked October 2026; sources are linked on each city page. Codes change — confirm with your local building department.