Insulated siding can improve a New England home’s air tightness by an average of 25%, directly reducing heating and cooling costs.
Insulated siding can improve a New England home’s air tightness by an average of 25%, directly reducing heating and cooling costs.
Tighter walls mean lower monthly energy costs for New England homeowners. Installing energy efficient siding addresses heat loss at the wall level, where standard siding offers almost no thermal resistance. The savings potential is significant for drafty homes in Massachusetts, New Hampshire, and Maine.
What MA, NH, and ME Homeowners Need to Know About Siding and Energy Savings
- Air Tightness Improvement: Installing insulated siding can improve a home’s air tightness by an average of 25%. Less air infiltration means your heating and cooling systems work less hard.
- Staggering Under-Insulation: About 89% of U.S. homes are under-insulated right now. Upgrading to insulated siding is one of the most accessible ways to close that gap without a full renovation.
- MA Energy Cost Context: Massachusetts households spend roughly $600 per month on energy bills. Improving wall-level insulation through energy efficient siding directly reduces that recurring expense.
- Envelope Improvement Effect: A peer-reviewed study found that sealing the building envelope can reduce air leakage by 25 to 30%. Insulated siding contributes to that envelope improvement alongside windows and air sealing.
- Year-Round Benefit: Foam-back vinyl is the most energy-efficient siding option and helps retain heat in winter while reducing cooling load in summer. The savings apply across both seasons.
- Comfort Beyond Savings: Improved wall insulation reduces cold spots and uneven room temperatures. More consistent indoor comfort is a benefit homeowners notice immediately after installation.
Choosing the Right Siding for Energy Savings
Top Recommendation: Foam-back insulated vinyl siding for MA, NH, and ME homeowners who want the strongest energy efficiency improvement with low maintenance and long-term durability. Contact Coastal Windows & Exteriors for a free estimate on insulated siding!
Best for Resale Value: Fiber cement siding delivers a 144.9% return on investment nationally, making it the right choice when resale performance is the priority alongside efficiency improvements.
Also Worth Considering: Standard vinyl siding paired with a quality house wrap and proper installation still delivers meaningful energy improvements and a 97% ROI nationally.
Ready to reduce your monthly energy costs? Coastal Windows & Exteriors is a woman-owned, family-run exterior remodeling company established in 2011, with 7,000+ installations across MA, NH, and ME. We’re a James Hardie Elite Preferred Contractor and the #1 Woman-Owned James Hardie Exterior Remodeling Company in New England, with a 4.8-star Google rating and 950+ verified reviews.
Request a free siding estimate from Coastal Windows & Exteriors.
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Last Updated: May 2026
Sources:
- Installing insulated siding can improve a home’s air tightness by an average of 25%. ENERGY STAR — Why Seal and Insulate ENERGY STAR’s guidance on how insulated siding improves home air tightness and reduces energy loss. (Accessed May 2026)
- 89% of homes in the U.S. are under-insulated. Insulation Contractors of America — ICF Report on Under-Insulated Homes Industry report on the scale of under-insulation in American single-family homes. (2024)
- Massachusetts households spend roughly $600 per month on energy bills. Boston.com — Massachusetts Utilities and Energy Cost Report Reported monthly energy costs for Massachusetts homeowners covering gas, electric, and utilities. (2024)
- Air leakage in single-family homes can be reduced by an average of 25 to 30% by sealing the building envelope. Journal of Building Engineering — Air Leakage Reduction in Single-Family Homes Peer-reviewed study on air leakage reduction through building envelope improvements including insulation and siding. (2024)
- The ROI of vinyl siding is 97%, and the ROI of fiber cement siding is 144.9%. Remodeling Magazine (JLC Online) Cost vs. Value 2025 National resale value and ROI data for vinyl and fiber cement siding projects. (2026)
