Building a House or Addition

Increase the comfort and value of your home.
Building a House & Additions

Earn ENERGY STAR® certification for your home. Before you build, learn about the latest incentives, tax credits, technical assistance, and training to improve the energy performance of new and renovated single- and multi-family homes.

Find Incentives

Initiatives sponsored by Massachusetts utilities and energy service companies include:

  • High efficiency heat and hot water systems
  • Central air conditioning
  • Solar and renewable energy systems

Explore Services

Services and expertise to help you improve your home’s energy performance:

  • Home Energy Assessments
  • Find a builder or contractor

Get The Facts

Resources and guides for making the most of your energy efficiency investment:

  • Frequently Asked Questions (FAQs)
  • Certification benefits
  • HERS rating information