Additional Resources

Massachusetts Energy-Zero (E-Z) Code

The Massachusetts Energy Zero (E-Z) Code defines a zero-energy building as an ultra-low-energy, combustion-free building that sources 100 percent of its annual energy from additional renewable energy.

The MA E-Z Code offers multiple compliance paths for the design of zero…

Drive Regional Energy Efficiency

A more efficient energy future starts with action today. Your gift supports real change: lower energy bills, cleaner air, local jobs, and healthier communities. Every dollar helps NEEP advance smarter energy solutions across the Northeast and Mid-Atlantic.

Make a Donation

Plant in hands