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European Windows & Doors in Michigan
Made-to-order tilt-turn windows, folding doors and lift & slide doors, shipped to homeowners and builders in 5 Michigan cities. Your contractor or an independent local installer handles installation.
City by city
Window energy rules across Michigan
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 |
|---|---|---|---|
| Ann Arbor | 5A | 2015 Michigan Residential Code (statewide) | 0.32 |
| Detroit | 5A | 2015 Michigan Residential Code (statewide) | 0.32 |
| Grand Rapids | 5A | 2015 Michigan Residential Code (statewide) | 0.32 |
| Lansing | 5A | 2015 Michigan Residential Code (statewide) | 0.32 |
| Sterling Heights | 5A | 2015 Michigan Residential Code (statewide) | 0.32 |
Checked October 2026; sources are linked on each city page. Codes change — confirm with your local building department.