Coastal Windows & Exteriors is a woman-owned exterior remodeling company serving 730+ towns across Massachusetts, New Hampshire and Maine with 7,000+ installations completed since 2011. Energy efficient front doors can lower bills, since ENERGY STAR models cut heating and cooling costs.
ENERGY STAR certified doors shrink energy bills by up to 13% on average nationwide. That counts regionally, where households spend roughly $600 each month on energy. A sealed, efficient entry helps fight the waste common in under-insulated homes.
What Homeowners Need to Know
- Real savings: ENERGY STAR doors can cut heating and cooling bills by up to 13% versus non-certified products.
- High local bills: Households regionally spend roughly $600 per month on energy, so every leak adds up.
- Widespread gaps: Nationwide, 89% of homes sit under-insulated, which lets heat escape through weak points.
- Smart payback: Steel entry doors return 216%, blending lower bills with strong resale value.
- Tight seal wins: A professionally fitted door blocks the drafts that quietly raise monthly costs.
Best Moves for Lower Bills
- Best Overall: An ENERGY STAR steel door, for up to 13% savings plus a 216% payback.
- Top Recommended: A professional seal, for fewer drafts and steadier indoor temperatures.
- Strong Runner-Up: A whole-entry upgrade with sidelites, for comfort and curb appeal together.
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Last Updated: August 2026
Sources:
- ENERGY STAR certified doors can shrink energy bills by up to 13% on heating and cooling. ENERGY STAR Windows, Doors & Skylights ENERGY STAR’s official efficiency guidance for certified doors. (Accessed June 2026)
- Massachusetts households spend roughly $600 per month on energy bills. Boston.com Massachusetts Utilities Report Boston.com’s reporting on Massachusetts energy costs. (2024)
- Nationwide, 89% of homes are under-insulated. Insulation Institute ICF Report Insulation Institute’s report on U.S. home insulation gaps. (2024)
