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Energy Efficient
Products
Energy Efficient
ProductsENERGY STAR products are independently certified to save energy without sacrificing features or functionality. Saving energy helps prevent climate change. Look for the ENERGY STAR label to save money on your energy bills and help protect our environment.
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Energy Savings
At Home
Energy Savings
At HomeImproving your home's energy efficiency with ENERGY STAR can help to reduce high energy bills, improve comfort and reduce greenhouse gas emissions. Let us help you — whether you do-it-yourself or hire a qualified professional.
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Energy Efficient
New Homes
Energy Efficient
New HomesA new home that has earned the ENERGY STAR label has undergone a process of inspections, testing, and verification to meet strict requirements set by the US EPA. ENERGY STAR certified homes use 15-30% less energy than typical new homes while delivering better comfort, quality, and durability.
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Energy Strategies for
Buildings & Plants
Buildings
& PlantsImprove financial performance and reduce carbon emissions with EPA's strategic energy management approach.
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Partner Resources
Home > Partner Resources > For New Home Industry Professionals > BOPs > BOPs for Iowa
Find Your County and Click on the Corresponding Climate Zone
| County | BOPs by Climate Zone | County | BOPs by Climate Zone | County | BOPs by Climate Zone | County | BOPs by Climate Zone |
|---|---|---|---|---|---|---|---|
| Adair | 5 | Davis | 5 | Jefferson | 5 | Pocahontas | 6 |
| Adams | 5 | Decatur | 5 | Johnson | 5 | Polk | 5 |
| Allamakee | 6 | Delaware | 6 | Jones | 5 | Pottawattamie | 5 |
| Appanoose | 5 | Des Moines | 5 | Keokuk | 5 | Poweshiek | 5 |
| Audubon | 5 | Dickinson | 6 | Kossuth | 6 | Ringgold | 5 |
| Benton | 5 | Dubuque | 5 | Lee | 5 | Sac | 6 |
| Black Hawk | 6 | Emmet | 6 | Linn | 5 | Scott | 5 |
| Boone | 5 | Fayette | 6 | Louisa | 5 | Shelby | 5 |
| Bremer | 6 | Floyd | 6 | Lucas | 5 | Sioux | 6 |
| Buchanan | 6 | Franklin | 6 | Lyon | 6 | Story | 5 |
| Buena Vista | 6 | Fremont | 5 | Madison | 5 | Tama | 5 |
| Butler | 6 | Greene | 5 | Mahaska | 5 | Taylor | 5 |
| Calhoun | 6 | Grundy | 6 | Marion | 5 | Union | 5 |
| Carroll | 5 | Guthrie | 5 | Marshall | 5 | Van Buren | 5 |
| Cass | 5 | Hamilton | 6 | Mills | 5 | Wapello | 5 |
| Cedar | 5 | Hancock | 6 | Mitchell | 6 | Warren | 5 |
| Cerro Gordo | 6 | Hardin | 6 | Monona | 5 | Washington | 5 |
| Cherokee | 6 | Harrison | 5 | Monroe | 5 | Wayne | 5 |
| Chickasaw | 6 | Henry | 5 | Montgomery | 5 | Webster | 6 |
| Clarke | 5 | Howard | 6 | Muscatine | 5 | Winnebago | 6 |
| Clay | 6 | Humboldt | 6 | Obrien | 6 | Winneshiek | 6 |
| Clayton | 6 | Ida | 6 | Osceola | 6 | Woodbury | 6 |
| Clinton | 5 | Iowa | 5 | Page | 5 | Worth | 6 |
| Crawford | 5 | Jackson | 5 | Palo Alto | 6 | Wright | 6 |
| Dallas | 5 | Jasper | 5 | Plymouth | 6 |
